diff --git a/client/galaxy/scripts/mvc/collection/list-collection-creator.js b/client/galaxy/scripts/mvc/collection/list-collection-creator.js
index c1f69d12f61..117ad52db52 100644
--- a/client/galaxy/scripts/mvc/collection/list-collection-creator.js
+++ b/client/galaxy/scripts/mvc/collection/list-collection-creator.js
@@ -62,10 +62,10 @@ var DatasetCollectionElementView = Backbone.View.extend( BASE_MVC.LoggableMixin
         var view = this,
             parentWidth = this.$el.parent().width();
         this.$el.animate({ 'margin-right' : parentWidth }, 'fast', function(){
-            view.destroy();
             view.trigger( 'discard', {
                 source : view
             });
+            view.destroy();
         });
     },
 
@@ -147,7 +147,10 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
     elementViewClass : DatasetCollectionElementView,
     /** the class this creator will create and save */
     collectionClass  : HDCA.HistoryListDatasetCollection,
-    className : 'list-collection-creator collection-creator flex-row-container',
+    className        : 'list-collection-creator collection-creator flex-row-container',
+
+    /** minimum number of valid elements to start with in order to build a collection of this type */
+    minElements      : 1,
 
     defaultAttributes : {
 //TODO: remove - use new collectionClass().save()
@@ -284,10 +287,13 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
 
     // ------------------------------------------------------------------------ rendering
     // templates : ListCollectionCreator.templates,
-
     /** render the entire interface */
     render : function( speed, callback ){
         //this.debug( '-- _render' );
+        if( this.workingElements.length < this.minElements ){
+            return this._renderInvalid( speed, callback );
+        }
+
         this.$el.empty().html( this.templates.main() );
         this._renderHeader( speed );
         this._renderMiddle( speed );
@@ -298,6 +304,21 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
         return this;
     },
 
+
+    /** render a simplified interface aimed at telling the user why they can't move forward */
+    _renderInvalid : function( speed, callback ){
+        //this.debug( '-- _render' );
+        this.$el.empty().html( this.templates.invalidInitial({
+            problems: this.invalidElements,
+            elements: this.workingElements,
+        }));
+        if( typeof this.oncancel === 'function' ){
+            this.$( '.cancel-create.btn' ).show();
+        }
+        this.trigger( 'rendered', this );
+        return this;
+    },
+
     /** render the header section */
     _renderHeader : function( speed, callback ){
         var $header = this.$( '.header' ).empty().html( this.templates.header() )
@@ -350,6 +371,17 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
         }
     },
 
+    _disableNameAndCreate : function( disable ){
+        disable = !_.isUndefined( disable )? disable : true;
+        if( disable ){
+            this.$( '.collection-name' ).prop( 'disabled', true );
+            this.$( '.create-collection' ).toggleClass( 'disabled', true );
+        // } else {
+        //     this.$( '.collection-name' ).prop( 'disabled', false );
+        //     this.$( '.create-collection' ).removeClass( 'disable' );
+        }
+    },
+
     // ------------------------------------------------------------------------ rendering elements
     /** conv. to the main list display DOM */
     $list : function(){
@@ -369,17 +401,18 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
     _renderList : function( speed, callback ){
         //this.debug( '-- _renderList' );
         var creator = this,
-            $tmp = jQuery( '<div/>' );
+            $tmp = jQuery( '<div/>' ),
+            $list = creator.$list();
 
         _.each( this.elementViews, function( view ){
             view.destroy();
             creator.removeElementView( view );
         });
 
-        if( !this.workingElements.length ){
-            this._renderNoValidElements();
-            return;
-        }
+        // if( !this.workingElements.length ){
+        //     this._renderNoValidElements();
+        //     return;
+        // }
 
         creator.workingElements.forEach( function( element ){
             var elementView = creator._createElementView( element );
@@ -387,8 +420,14 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
         });
 
         creator._renderClearSelected();
-        creator.$list().empty().append( $tmp.children() );
+        $list.empty().append( $tmp.children() );
         _.invoke( creator.elementViews, 'render' );
+
+        if( $list.height() > $list.css( 'max-height' ) ){
+            $list.css( 'border-width', '1px 0px 1px 0px' );
+        } else {
+            $list.css( 'border-width', '0px' );
+        }
     },
 
     /** create an element view, cache in elementViews, set up listeners, and return */
@@ -442,13 +481,15 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
 
     /** render a message in the list that no elements remain to create a collection */
     _renderNoElementsLeft : function(){
+        this._disableNameAndCreate( true );
         this.$( '.collection-elements' ).append( this.templates.noElementsLeft() );
     },
 
-    /** render a message in the list that no valid elements were found to create a collection */
-    _renderNoValidElements : function(){
-        this.$( '.collection-elements' ).append( this.templates.noValidElements() );
-    },
+    // /** render a message in the list that no valid elements were found to create a collection */
+    // _renderNoValidElements : function(){
+    //     this._disableNameAndCreate( true );
+    //     this.$( '.collection-elements' ).append( this.templates.noValidElements() );
+    // },
 
     // ------------------------------------------------------------------------ API
     /** convert element into JSON compatible with the collections API */
@@ -874,7 +915,7 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
 
         /** shown in list when all elements are discarded */
         invalidElements : _.template([
-            _l( 'The following selections could not be included due to problems' ),
+            _l( 'The following selections could not be included due to problems:' ),
             '<ul><% _.each( problems, function( problem ){ %>',
                 '<li><b><%= problem.element.name %></b>: <%= problem.text %></li>',
             '<% }); %></ul>'
@@ -882,22 +923,47 @@ var ListCollectionCreator = Backbone.View.extend( BASE_MVC.LoggableMixin ).exten
 
         /** shown in list when all elements are discarded */
         noElementsLeft : _.template([
-            '<li class="no-elements-left-message empty-message">',
-                _l( 'No elements left' ), '<br />',
-                _l( 'Would you like to ' ),
-                '<a class="reset" href="javascript:void(0)">', _l( 'start over' ), '</a>?',
+            '<li class="no-elements-left-message">',
+                _l( 'No elements left! ' ),
+                _l( 'Would you like to ' ), '<a class="reset" href="javascript:void(0)">', _l( 'start over' ), '</a>?',
             '</li>'
         ].join('')),
 
-        /** shown in list when no valid elements were found to begin with */
-        noValidElements : _.template([
-            '<li class="no-valid-elements-message empty-message">',
-                _l( 'No valid elements!' ), '<br />',
-                _l( 'You may need to ' ),
-                '<a class="cancel-create" href="javascript:void(0)">', _l( 'cancel' ), '</a> ',
-                'and reselect new elements',
-            '</li>'
-        ].join(''))
+        /** a simplified page communicating what went wrong and why the user needs to reselect something else */
+        invalidInitial : _.template([
+            '<div class="header flex-row no-flex">',
+                '<div class="alert alert-warning" style="display: block">',
+                    '<span class="alert-message">',
+                        '<% if( _.size( problems ) ){ %>',
+                            _l( 'The following selections could not be included due to problems' ), ':',
+                            '<ul><% _.each( problems, function( problem ){ %>',
+                                '<li><b><%= problem.element.name %></b>: <%= problem.text %></li>',
+                            '<% }); %></ul>',
+                        '<% } else if( _.size( elements ) < 1 ){ %>',
+                            _l( 'No datasets were selected' ), '.',
+                        '<% } %>',
+                    '</span>',
+                '</div>',
+            '</div>',
+            '<div class="middle flex-row flex-row-container">',
+                '<div class="collection-elements scroll-container flex-row">',
+                    '<li class="no-valid-elements-message empty-message">',
+                        _l( 'At least one element is needed for the collection' ), '. ',
+                        _l( 'You may need to ' ),
+                        '<a class="cancel-create" href="javascript:void(0)">', _l( 'cancel' ), '</a> ',
+                        _l( 'and reselect new elements' ), '.',
+                    '</li>',
+                '</div>',
+            '</div>',
+            '<div class="footer flex-row no-flex">',
+                '<div class="actions clear vertically-spaced">',
+                    '<div class="other-options pull-left">',
+                        '<button class="cancel-create btn" tabindex="-1">', _l( 'Cancel' ), '</button>',
+                        // _l( 'Create a different kind of collection' ),
+                    '</div>',
+                '</div>',
+            '</div>'
+        ].join('')),
     },
 
     // ------------------------------------------------------------------------ misc
@@ -917,11 +983,6 @@ var collectionCreatorModal = function _collectionCreatorModal( elements, options
         modal = Galaxy.modal || ( new UI_MODAL.View() ),
         creator;
 
-    //TODO: handle no elements here
-    if( !_.isArray( elements ) || !elements.length ){
-        return deferred.reject( 'No elements' );
-    }
-
     options = _.defaults( options || {}, {
         elements    : elements,
         oncancel    : function(){
diff --git a/client/galaxy/scripts/mvc/collection/pair-collection-creator.js b/client/galaxy/scripts/mvc/collection/pair-collection-creator.js
index 8564ced2129..20b83555aa3 100644
--- a/client/galaxy/scripts/mvc/collection/pair-collection-creator.js
+++ b/client/galaxy/scripts/mvc/collection/pair-collection-creator.js
@@ -70,27 +70,12 @@ var PairCollectionCreator = _super.extend({
     //      when the user has painted his/her self into a corner during creation/use-of-the-creator
     /** render the entire interface */
     render : function( speed, callback ){
-        var elementsLength = this.workingElements.length;
-        if( elementsLength === 2 ){
+        if( this.workingElements.length === 2 ){
             return _super.prototype.render.call( this, speed, callback );
         }
         return this._renderInvalid( speed, callback );
     },
 
-    /** render a simplified interface aimed at telling the user why they can't move forward */
-    _renderInvalid : function( speed, callback ){
-        //this.debug( '-- _render' );
-        this.$el.empty().html( this.templates.invalidInitial({
-            problems: this.invalidElements,
-            elements: this.workingElements,
-        }));
-        if( typeof this.oncancel === 'function' ){
-            this.$( '.cancel-create.btn' ).show();
-        }
-        this.trigger( 'rendered', this );
-        return this;
-    },
-
     // ------------------------------------------------------------------------ rendering elements
     /** render forward/reverse */
     _renderList : function( speed, callback ){
@@ -193,8 +178,10 @@ var PairCollectionCreator = _super.extend({
                             '<ul><% _.each( problems, function( problem ){ %>',
                                 '<li><b><%= problem.element.name %></b>: <%= problem.text %></li>',
                             '<% }); %></ul>',
-                        '<% } else if( _.size( elements ) < 2 ){ %>',
-                            _l( 'Not enough datasets were selected' ), ': <%= _.size( elements ) %>',
+                        '<% } else if( _.size( elements ) === 0 ){ %>',
+                            _l( 'No datasets were selected' ), '.',
+                        '<% } else if( _.size( elements ) === 1 ){ %>',
+                            _l( 'Only one dataset was selected' ), ': <%= elements[0].name %>',
                         '<% } else if( _.size( elements ) > 2 ){ %>',
                             _l( 'Too many datasets were selected' ), ': <%= _.pluck( elements, "name" ) %>',
                         '<% } %>',
diff --git a/static/maps/mvc/collection/list-collection-creator.js.map b/static/maps/mvc/collection/list-collection-creator.js.map
index 2d22c4ee1ce..02c5436d949 100644
--- a/static/maps/mvc/collection/list-collection-creator.js.map
+++ b/static/maps/mvc/collection/list-collection-creator.js.map
@@ -1 +1 @@
-{"version":3,"file":"list-collection-creator.js","sources":["../../../src/mvc/collection/list-collection-creator.js"],"names":["define","HDCA","STATES","BASE_MVC","UI_MODAL","naturalSort","_l","createListCollection","contents","elements","toJSON","promise","listCollectionCreatorModal","creationFn","name","map","element","id","src","history_content_type","createHDCA","DatasetCollectionElementView","Backbone","View","extend","LoggableMixin","tagName","className","initialize","attributes","this","selected","render","$el","attr","html","template","addClass","_","join","select","toggle","toggleClass","trigger","source","hasClass","discard","view","parentWidth","parent","width","animate","margin-right","destroy","off","remove","events","click","click .name","click 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\ No newline at end of file
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\ No newline at end of file
diff --git a/static/maps/mvc/collection/pair-collection-creator.js.map b/static/maps/mvc/collection/pair-collection-creator.js.map
index 8a64063c7a5..7031508a5eb 100644
--- a/static/maps/mvc/collection/pair-collection-creator.js.map
+++ b/static/maps/mvc/collection/pair-collection-creator.js.map
@@ -1 +1 @@
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diff --git a/static/scripts/mvc/collection/list-collection-creator.js b/static/scripts/mvc/collection/list-collection-creator.js
index b81a60e533e..01ce98b7e34 100644
--- a/static/scripts/mvc/collection/list-collection-creator.js
+++ b/static/scripts/mvc/collection/list-collection-creator.js
@@ -1,2 +1,2 @@
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thats impressive");d.name=e,c[d.name]=!0})},_sortElements:function(){},render:function(a){return this.$el.empty().html(this.templates.main()),this._renderHeader(a),this._renderMiddle(a),this._renderFooter(a),this._addPluginComponents(),this.$(".collection-name").focus(),this.trigger("rendered",this),this},_renderHeader:function(){var a=this.$(".header").empty().html(this.templates.header()).find(".help-content").prepend($(this.templates.helpContent()));return this.invalidElements.length&&this._invalidElementsAlert(),a},_renderMiddle:function(a){var b=this.$(".middle").empty().html(this.templates.middle());return this._renderList(a),b},_renderFooter:function(){var a=this.$(".footer").empty().html(this.templates.footer());return"function"==typeof this.oncancel&&this.$(".cancel-create.btn").show(),a},_addPluginComponents:function(){this.$(".help-content i").hoverhighlight(".collection-creator",this.highlightClr)},_invalidElementsAlert:function(){this._showAlert(this.templates.invalidElements({problems:this.invalidElements}),"alert-warning")},_validationWarning:function(a,b){var c="validation-warning";"name"===a&&(a=this.$(".collection-name").add(this.$(".collection-name-prompt")),this.$(".collection-name").focus().select()),b?(a=a||this.$("."+c),a.removeClass(c)):a.addClass(c)},$list:function(){return this.$(".collection-elements")},_renderClearSelected:function(){_.size(this.selectedIds)?this.$(".collection-elements-controls > .clear-selected").show():this.$(".collection-elements-controls > .clear-selected").hide()},_renderList:function(){var a=this,b=jQuery("<div/>");return _.each(this.elementViews,function(b){b.destroy(),a.removeElementView(b)}),this.workingElements.length?(a.workingElements.forEach(function(c){var d=a._createElementView(c);b.append(d.$el)}),a._renderClearSelected(),a.$list().empty().append(b.children()),void _.invoke(a.elementViews,"render")):void this._renderNoValidElements()},_createElementView:function(a){var b=new this.elementViewClass({element:a,selected:_.has(this.selectedIds,a.id)});return this.elementViews.push(b),this._listenToElementView(b),b},_listenToElementView:function(a){var b=this;b.listenTo(a,{select:function(a){var c=a.source.element;a.selected?b.selectedIds[c.id]=!0:delete b.selectedIds[c.id],b.trigger("elements:select",a)},discard:function(a){b.trigger("elements:discard",a)}})},addElementView:function(){},removeElementView:function(a){delete this.selectedIds[a.element.id],this._renderClearSelected(),this.elementViews=_.without(this.elementViews,a),this.stopListening(a)},_renderNoElementsLeft:function(){this.$(".collection-elements").append(this.templates.noElementsLeft())},_renderNoValidElements:function(){this.$(".collection-elements").append(this.templates.noValidElements())},_elementToJSON:function(a){return a},createList:function(a){if(!this.workingElements.length){var b=f("No valid elements for final list")+". 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Deselect them by clicking them again or by clicking the ",'the <i data-target=".clear-selected">"Clear selected"</i> link.'].join("")),"</li>","<li>",f(['Click the <i data-target=".reset">"Start over"</i> link to begin again as if you had just opened ',"the interface."].join("")),"</li>","<li>",f(['Click the <i data-target=".cancel-create">"Cancel"</i> button to exit the interface.'].join("")),"</li>","</ul><br />","<p>",f(['Once your collection is complete, enter a <i data-target=".collection-name">name</i> and ','click <i data-target=".create-collection">"Create list"</i>.'].join("")),"</p>"].join("")),invalidElements:_.template([f("The following selections could not be included due to problems:"),"<ul><% _.each( problems, function( problem ){ %>","<li><b><%= problem.element.name %></b>: <%= problem.text %></li>","<% }); %></ul>"].join("")),noElementsLeft:_.template(['<li class="no-elements-left-message">',f("No elements left! "),f("Would you like to "),'<a class="reset" href="javascript:void(0)">',f("start over"),"</a>?","</li>"].join("")),invalidInitial:_.template(['<div class="header flex-row no-flex">','<div class="alert alert-warning" style="display: block">','<span class="alert-message">',"<% if( _.size( problems ) ){ %>",f("The following selections could not be included due to problems"),":","<ul><% _.each( problems, function( problem ){ %>","<li><b><%= problem.element.name %></b>: <%= problem.text %></li>","<% }); %></ul>","<% } else if( _.size( elements ) < 1 ){ %>",f("No datasets were selected"),".","<% } %>","</span>","</div>","</div>",'<div class="middle flex-row flex-row-container">','<div class="collection-elements scroll-container flex-row">','<li class="no-valid-elements-message empty-message">',f("At least one element is needed for the collection"),". ",f("You may need to "),'<a class="cancel-create" href="javascript:void(0)">',f("cancel"),"</a> ",f("and reselect new elements"),".","</li>","</div>","</div>",'<div class="footer flex-row no-flex">','<div class="actions clear vertically-spaced">','<div class="other-options pull-left">','<button class="cancel-create btn" tabindex="-1">',f("Cancel"),"</button>","</div>","</div>","</div>"].join(""))},toString:function(){return"ListCollectionCreator"}}),j=function(a,b,c){var e,g=jQuery.Deferred(),h=Galaxy.modal||new d.View;return b=_.defaults(b||{},{elements:a,oncancel:function(){h.hide(),g.reject("cancelled")},oncreate:function(a,b){h.hide(),g.resolve(b)}}),e=new c(b),h.show({title:b.title||f("Create a collection"),body:e.$el,width:"80%",height:"min-content",closing_events:!0}),e.render(),window._collectionCreator=e,g},k=function(a,b){return b=b||{},b.title=f("Create a collection from a list of datasets"),j(a,b,i)};return{DatasetCollectionElementView:h,ListCollectionCreator:i,collectionCreatorModal:j,listCollectionCreatorModal:k,createListCollection:g}});
 //# sourceMappingURL=../../../maps/mvc/collection/list-collection-creator.js.map
\ No newline at end of file
diff --git a/static/scripts/mvc/collection/pair-collection-creator.js b/static/scripts/mvc/collection/pair-collection-creator.js
index 9c984cde606..4f094519b5e 100644
--- a/static/scripts/mvc/collection/pair-collection-creator.js
+++ b/static/scripts/mvc/collection/pair-collection-creator.js
@@ -1,2 +1,2 @@
-define(["mvc/collection/list-collection-creator","mvc/history/hdca-model","mvc/base-mvc","utils/localization"],function(a,b,c,d){function e(a){var b=a.toJSON(),c=i(b,{creationFn:function(b,c){return b=[{name:"forward",src:"hda",id:b[0].id},{name:"reverse",src:"hda",id:b[1].id}],a.createHDCA(b,"paired",c)}});return c}var f=Backbone.View.extend(c.LoggableMixin).extend({tagName:"li",className:"collection-element",initialize:function(a){this.element=a.element||{},this.identifier=a.identifier},render:function(){return this.$el.attr("data-element-id",this.element.id).html(this.template({identifier:this.identifier,element:this.element})),this},template:_.template(['<span class="identifier"><%= identifier %></span>','<span class="name"><%= element.name %></span>'].join("")),destroy:function(){this.off(),this.$el.remove()},toString:function(){return"DatasetCollectionElementView()"}}),g=a.ListCollectionCreator,h=g.extend({elementViewClass:f,collectionClass:b.HistoryPairDatasetCollection,className:"pair-collection-creator collection-creator flex-row-container",_mangleDuplicateNames:function(){},render:function(a,b){var c=this.workingElements.length;return 2===c?g.prototype.render.call(this,a,b):this._renderInvalid(a,b)},_renderInvalid:function(){return this.$el.empty().html(this.templates.invalidInitial({problems:this.invalidElements,elements:this.workingElements})),"function"==typeof this.oncancel&&this.$(".cancel-create.btn").show(),this.trigger("rendered",this),this},_renderList:function(){var a=this,b=jQuery("<div/>"),c=a.$list();_.each(this.elementViews,function(b){b.destroy(),a.removeElementView(b)}),b.append(a._createForwardElementView().$el),b.append(a._createReverseElementView().$el),c.empty().append(b.children()),_.invoke(a.elementViews,"render")},_createForwardElementView:function(){return this._createElementView(this.workingElements[0],{identifier:"forward"})},_createReverseElementView:function(){return this._createElementView(this.workingElements[1],{identifier:"reverse"})},_createElementView:function(a,b){var c=new this.elementViewClass(_.extend(b,{element:a}));return this.elementViews.push(c),c},swap:function(){this.workingElements=[this.workingElements[1],this.workingElements[0]],this._renderList()},events:_.extend(_.clone(g.prototype.events),{"click .swap":"swap"}),templates:_.extend(_.clone(g.prototype.templates),{middle:_.template(['<div class="collection-elements-controls">','<a class="swap" href="javascript:void(0);" title="',d("Swap forward and reverse datasets"),'">',d("Swap"),"</a>","</div>",'<div class="collection-elements scroll-container flex-row">',"</div>"].join("")),helpContent:_.template(["<p>",d(["Pair collections are permanent collections containing two datasets: one forward and one reverse. ","Often these are forward and reverse reads. The pair collections can be passed to tools and ","workflows in order to have analyses done on both datasets. This interface allows ","you to create a pair, name it, and swap which is forward and which reverse."].join("")),"</p>","<ul>","<li>",d(['Click the <i data-target=".swap">"Swap"</i> link to make your forward dataset the reverse ',"and the reverse dataset forward."].join("")),"</li>","<li>",d(['Click the <i data-target=".cancel-create">"Cancel"</i> button to exit the interface.'].join("")),"</li>","</ul><br />","<p>",d(['Once your collection is complete, enter a <i data-target=".collection-name">name</i> and ','click <i data-target=".create-collection">"Create list"</i>.'].join("")),"</p>"].join("")),invalidInitial:_.template(['<div class="header flex-row no-flex">','<div class="alert alert-warning" style="display: block">','<span class="alert-message">',"<% if( _.size( problems ) ){ %>",d("The following selections could not be included due to problems"),"<ul><% _.each( problems, function( problem ){ %>","<li><b><%= problem.element.name %></b>: <%= problem.text %></li>","<% }); %></ul>","<% } else if( _.size( elements ) < 2 ){ %>",d("Not enough datasets were selected"),": <%= _.size( elements ) %>","<% } else if( _.size( elements ) > 2 ){ %>",d("Too many datasets were selected"),': <%= _.pluck( elements, "name" ) %>',"<% } %>","</span>","</div>","</div>",'<div class="middle flex-row flex-row-container">','<div class="collection-elements scroll-container flex-row">','<li class="pair-needs-2-message empty-message">',d("Two (and only two) elements are needed for the pair"),". ",d("You may need to "),'<a class="cancel-create" href="javascript:void(0)">',d("cancel"),"</a> ",d("and reselect new elements"),".","</li>","</div>","</div>",'<div class="footer flex-row no-flex">','<div class="actions clear vertically-spaced">','<div class="other-options pull-left">','<button class="cancel-create btn" tabindex="-1">',d("Cancel"),"</button>","</div>","</div>","</div>"].join(""))}),toString:function(){return"PairCollectionCreator"}}),i=function(b,c){return c=c||{},c.title=d("Create a collection from a pair of datasets"),a.collectionCreatorModal(b,c,h)};return{PairCollectionCreator:h,pairCollectionCreatorModal:i,createPairCollection:e}});
+define(["mvc/collection/list-collection-creator","mvc/history/hdca-model","mvc/base-mvc","utils/localization"],function(a,b,c,d){function e(a){var b=a.toJSON(),c=i(b,{creationFn:function(b,c){return b=[{name:"forward",src:"hda",id:b[0].id},{name:"reverse",src:"hda",id:b[1].id}],a.createHDCA(b,"paired",c)}});return c}var f=Backbone.View.extend(c.LoggableMixin).extend({tagName:"li",className:"collection-element",initialize:function(a){this.element=a.element||{},this.identifier=a.identifier},render:function(){return this.$el.attr("data-element-id",this.element.id).html(this.template({identifier:this.identifier,element:this.element})),this},template:_.template(['<span class="identifier"><%= identifier %></span>','<span class="name"><%= element.name %></span>'].join("")),destroy:function(){this.off(),this.$el.remove()},toString:function(){return"DatasetCollectionElementView()"}}),g=a.ListCollectionCreator,h=g.extend({elementViewClass:f,collectionClass:b.HistoryPairDatasetCollection,className:"pair-collection-creator collection-creator flex-row-container",_mangleDuplicateNames:function(){},render:function(a,b){return 2===this.workingElements.length?g.prototype.render.call(this,a,b):this._renderInvalid(a,b)},_renderList:function(){var a=this,b=jQuery("<div/>"),c=a.$list();_.each(this.elementViews,function(b){b.destroy(),a.removeElementView(b)}),b.append(a._createForwardElementView().$el),b.append(a._createReverseElementView().$el),c.empty().append(b.children()),_.invoke(a.elementViews,"render")},_createForwardElementView:function(){return this._createElementView(this.workingElements[0],{identifier:"forward"})},_createReverseElementView:function(){return this._createElementView(this.workingElements[1],{identifier:"reverse"})},_createElementView:function(a,b){var c=new this.elementViewClass(_.extend(b,{element:a}));return this.elementViews.push(c),c},swap:function(){this.workingElements=[this.workingElements[1],this.workingElements[0]],this._renderList()},events:_.extend(_.clone(g.prototype.events),{"click .swap":"swap"}),templates:_.extend(_.clone(g.prototype.templates),{middle:_.template(['<div class="collection-elements-controls">','<a class="swap" href="javascript:void(0);" title="',d("Swap forward and reverse datasets"),'">',d("Swap"),"</a>","</div>",'<div class="collection-elements scroll-container flex-row">',"</div>"].join("")),helpContent:_.template(["<p>",d(["Pair collections are permanent collections containing two datasets: one forward and one reverse. ","Often these are forward and reverse reads. The pair collections can be passed to tools and ","workflows in order to have analyses done on both datasets. This interface allows ","you to create a pair, name it, and swap which is forward and which reverse."].join("")),"</p>","<ul>","<li>",d(['Click the <i data-target=".swap">"Swap"</i> link to make your forward dataset the reverse ',"and the reverse dataset forward."].join("")),"</li>","<li>",d(['Click the <i data-target=".cancel-create">"Cancel"</i> button to exit the interface.'].join("")),"</li>","</ul><br />","<p>",d(['Once your collection is complete, enter a <i data-target=".collection-name">name</i> and ','click <i data-target=".create-collection">"Create list"</i>.'].join("")),"</p>"].join("")),invalidInitial:_.template(['<div class="header flex-row no-flex">','<div class="alert alert-warning" style="display: block">','<span class="alert-message">',"<% if( _.size( problems ) ){ %>",d("The following selections could not be included due to problems"),"<ul><% _.each( problems, function( problem ){ %>","<li><b><%= problem.element.name %></b>: <%= problem.text %></li>","<% }); %></ul>","<% } else if( _.size( elements ) === 0 ){ %>",d("No datasets were selected"),".","<% } else if( _.size( elements ) === 1 ){ %>",d("Only one dataset was selected"),": <%= elements[0].name %>","<% } else if( _.size( elements ) > 2 ){ %>",d("Too many datasets were selected"),': <%= _.pluck( elements, "name" ) %>',"<% } %>","</span>","</div>","</div>",'<div class="middle flex-row flex-row-container">','<div class="collection-elements scroll-container flex-row">','<li class="pair-needs-2-message empty-message">',d("Two (and only two) elements are needed for the pair"),". ",d("You may need to "),'<a class="cancel-create" href="javascript:void(0)">',d("cancel"),"</a> ",d("and reselect new elements"),".","</li>","</div>","</div>",'<div class="footer flex-row no-flex">','<div class="actions clear vertically-spaced">','<div class="other-options pull-left">','<button class="cancel-create btn" tabindex="-1">',d("Cancel"),"</button>","</div>","</div>","</div>"].join(""))}),toString:function(){return"PairCollectionCreator"}}),i=function(b,c){return c=c||{},c.title=d("Create a collection from a pair of datasets"),a.collectionCreatorModal(b,c,h)};return{PairCollectionCreator:h,pairCollectionCreatorModal:i,createPairCollection:e}});
 //# sourceMappingURL=../../../maps/mvc/collection/pair-collection-creator.js.map
\ No newline at end of file
diff --git a/static/style/blue/base.css b/static/style/blue/base.css
index 4c9a040d5e9..15b9178b8fb 100644
--- a/static/style/blue/base.css
+++ b/static/style/blue/base.css
@@ -2266,7 +2266,7 @@ pre.peek table,pre.peek th,pre.peek tr,pre.peek td{font-family:Monaco,Menlo,Cons
 .collection-creator.list-collection-creator .footer{margin-top:8px}
 .collection-creator.list-collection-creator .main-help{cursor:pointer}
 .collection-creator.list-collection-creator .collection-elements-controls{margin-bottom:8px}.collection-creator.list-collection-creator .collection-elements-controls .clear-selected{float:right !important;float:right;display:none}
-.collection-creator.list-collection-creator .collection-elements{max-height:400px;border:1px solid lightgrey;border-width:1px 0px 1px 0px;overflow-y:auto;overflow-x:hidden}
+.collection-creator.list-collection-creator .collection-elements{max-height:400px;border:0px solid lightgrey;overflow-y:auto;overflow-x:hidden}
 .collection-creator.list-collection-creator .collection-element{height:32px;margin:2px 4px 0px 4px;opacity:1.0;border:1px solid lightgrey;border-radius:3px;padding:0 8px 0 8px;line-height:28px;cursor:pointer;overflow:hidden}.collection-creator.list-collection-creator .collection-element:last-of-type{margin-bottom:2px}
 .collection-creator.list-collection-creator .collection-element:hover{border-color:black}
 .collection-creator.list-collection-creator .collection-element.selected{border-color:black;background:black;color:white}
@@ -2277,15 +2277,16 @@ pre.peek table,pre.peek th,pre.peek tr,pre.peek td{font-family:Monaco,Menlo,Cons
 .collection-creator.list-collection-creator .element-drop-placeholder{width:60px;height:3px;margin:2px 0px 0px 6px;background:black}.collection-creator.list-collection-creator .element-drop-placeholder:before{float:left;font-size:120%;margin:-9px 0 0 -6px;font-family:FontAwesome;content:'\f0da'}
 .collection-creator.list-collection-creator .element-drop-placeholder:last-child{margin-bottom:4px}
 .collection-creator.list-collection-creator .empty-message{margin:8px;color:grey;font-style:italic;text-align:center}
+.collection-creator.list-collection-creator .no-elements-left-message{text-align:left}
 .collection-creator.pair-collection-creator .footer{margin-top:8px}
 .collection-creator.pair-collection-creator .main-help{cursor:pointer}
 .collection-creator.pair-collection-creator .collection-elements-controls{margin-bottom:8px}.collection-creator.pair-collection-creator .collection-elements-controls .clear-selected{float:right !important;float:right;display:none}
-.collection-creator.pair-collection-creator .collection-elements{max-height:400px;overflow-y:auto;overflow-x:hidden}
+.collection-creator.pair-collection-creator .collection-elements{max-height:400px;border:0px solid lightgrey;overflow-y:auto;overflow-x:hidden}
 .collection-creator.pair-collection-creator .collection-element{height:32px;margin:2px 4px 0px 4px;opacity:1.0;border:1px solid lightgrey;border-radius:3px;padding:0 8px 0 8px;line-height:28px;cursor:pointer;overflow:hidden}.collection-creator.pair-collection-creator .collection-element:last-of-type{margin-bottom:2px}
 .collection-creator.pair-collection-creator .collection-element:hover{border-color:black}
 .collection-creator.pair-collection-creator .collection-element button{margin-top:3px}
 .collection-creator.pair-collection-creator .collection-element .identifier:after{content:':';margin-right:6px}
-.collection-creator.pair-collection-creator .collection-element .name:hover{text-decoration:auto}
+.collection-creator.pair-collection-creator .collection-element .name:hover{text-decoration:none}
 .collection-creator.pair-collection-creator .empty-message{margin:8px;color:grey;font-style:italic;text-align:center}
 .collection-creator.list-of-pairs-collection-creator .column-headers{margin-bottom:8px}
 .search-input .search-query{width:100%;padding-right:24px}
diff --git a/static/style/src/less/ui/paired-collection-creator.less b/static/style/src/less/ui/paired-collection-creator.less
index 225de49313a..11ea90ea502 100644
--- a/static/style/src/less/ui/paired-collection-creator.less
+++ b/static/style/src/less/ui/paired-collection-creator.less
@@ -459,8 +459,7 @@
     }
     .collection-elements {
         max-height: 400px;
-        border: 1px solid lightgrey;
-        border-width: 1px 0px 1px 0px;
+        border: 0px solid lightgrey;
         overflow-y: auto;
         overflow-x: hidden;
     }
@@ -530,6 +529,9 @@
         font-style: italic;
         text-align: center;
     }
+    .no-elements-left-message {
+        text-align: left;
+    }
 }
 
 // ======================================================================== pair
@@ -552,6 +554,7 @@
     }
     .collection-elements {
         max-height: 400px;
+        border: 0px solid lightgrey;
         overflow-y: auto;
         overflow-x: hidden;
     }