diff --git a/ippisite/ippidb/forms.py b/ippisite/ippidb/forms.py
index 4e1791300bc41b4b3305b8de7f14e3892902f0c3..925fbf2f4e6a9b671a23484e457ebefbcafd8d61 100644
--- a/ippisite/ippidb/forms.py
+++ b/ippisite/ippidb/forms.py
@@ -1,4 +1,4 @@
-from django.forms import ModelForm,modelformset_factory
+from django.forms import ModelForm,modelformset_factory,formset_factory
 from django import forms
 from django.db import models
 from .models import Bibliography, Protein, ProteinDomainComplex, Ppi, PpiComplex
@@ -26,6 +26,8 @@ class BibliographyForm(ModelForm):
 class PDBForm(forms.Form):
 	pdb_id = forms.CharField(label="PDB ID",max_length=4, widget=forms.TextInput(attrs={'placeholder': 'e.g 4HHB'}))
 
+PDBFormSet = formset_factory(PDBForm)
+
 
 class ProteinForm(ModelForm):
 	class Meta:
diff --git a/ippisite/ippidb/static/css/ippidb.css b/ippisite/ippidb/static/css/ippidb.css
index ac0da657f498890fed954427532f37169a1cfcd7..e8be82936ad08625336a4ec3ae67dc63f39f017b 100644
--- a/ippisite/ippidb/static/css/ippidb.css
+++ b/ippisite/ippidb/static/css/ippidb.css
@@ -744,28 +744,77 @@ body {
     overflow: hidden;
     width: 600px;
     padding-bottom: 5px;
-    background-image: url('/static/images/PPITypes/Inhibited/{{radio.choice_label|cut:" "}}_Apo.png');
-    background-position: center;
-    background-repeat: no-repeat;
+    display: flex;
+}
+
+/* Background image classes */
+.imageBack_Inhib_Hetero2-merAB input {
+    display:none;
 }
 
-#id_ProteinDomainComplexTypeForm-inhibited label span{
+.imageBack_Inhib_Hetero2-merAB label span{
   display: inline-block;
   width: 180px;
   text-align: center;
   border: 1px solid #8D8888;
+  background-color: #FFFFFF;
+  background-image: url('/static/images/PPITypes/Inhibited/Hetero2-merAB_Apo.png');
+  background-position: center;
+  background-repeat: no-repeat;
   height: 180px;
   font-size: 12px;
 
 } 
 
-#id_ProteinDomainComplexTypeForm-inhibited input {
+.imageBack_Inhib_Hetero2-merAB input:hover+label span{
+    cursor: pointer;
+    background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Inhibited/Hetero2-merAB_Holo.png');
+    background-position: center;
+    background-repeat: no-repeat;
+    color: #000000;
+    border-bottom: 1px solid #2D96FA;
+    border-top: 1px solid #E3E9EB;
+    border-left: 1px solid #E3E9EB;
+    border-right: 1px solid #E3E9EB;
+}
+
+.imageBack_Inhib_Hetero2-merAB input[type="radio"]:checked+label span{
+    background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Inhibited/Hetero2-merAB_Holo.png');
+    background-position: center;
+    background-repeat: no-repeat;
+    color: #000000;
+    border-bottom: 1px solid #2D96FA;
+    border-top: 1px solid #E3E9EB;
+    border-left: 1px solid #E3E9EB;
+    border-right: 1px solid #E3E9EB;
+}
+
+
+.imageBack_Inhib_Homo2-merA2 input {
     display:none;
 }
 
-#id_ProteinDomainComplexTypeForm-inhibited input:hover+label span{
+.imageBack_Inhib_Homo2-merA2 label span{
+  display: inline-block;
+  width: 180px;
+  text-align: center;
+  border: 1px solid #8D8888;
+  background-color: #FFFFFF;
+  background-image: url('/static/images/PPITypes/Inhibited/Homo2-merA2_Apo.png');
+  background-position: center;
+  background-repeat: no-repeat;
+  height: 180px;
+  font-size: 12px;
+} 
+
+.imageBack_Inhib_Homo2-merA2 input:hover+label span{
     cursor: pointer;
     background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Inhibited/Homo2-merA2_Holo.png');
+    background-position: center;
+    background-repeat: no-repeat;
     color: #000000;
     border-bottom: 1px solid #2D96FA;
     border-top: 1px solid #E3E9EB;
@@ -773,8 +822,11 @@ body {
     border-right: 1px solid #E3E9EB;
 }
 
-#id_ProteinDomainComplexTypeForm-inhibited input[type="radio"]:checked+label span{
+.imageBack_Inhib_Homo2-merA2 input[type="radio"]:checked+label span{
     background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Inhibited/Homo2-merA2_Holo.png');
+    background-position: center;
+    background-repeat: no-repeat;
     color: #000000;
     border-bottom: 1px solid #2D96FA;
     border-top: 1px solid #E3E9EB;
@@ -782,16 +834,48 @@ body {
     border-right: 1px solid #E3E9EB;
 }
 
-.image-inhibited label span{
+.imageBack_Inhib_Customyourown input {
+    display:none;
+}
+
+.imageBack_Inhib_Customyourown label span{
+  display: inline-block;
+  width: 180px;
+  text-align: center;
+  border: 1px solid #8D8888;
+  background-color: #FFFFFF;
+  background-image: url('/static/images/PPITypes/Inhibited/Customyourown_Apo.png');
+  background-position: center;
+  background-repeat: no-repeat;
+  height: 180px;
+  font-size: 12px;
+
+} 
+
+.imageBack_Inhib_Customyourown input:hover+label span{
+    cursor: pointer;
+    background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Inhibited/Customyourown_Holo.png');
     background-position: center;
     background-repeat: no-repeat;
+    color: #000000;
+    border-bottom: 1px solid #2D96FA;
+    border-top: 1px solid #E3E9EB;
+    border-left: 1px solid #E3E9EB;
+    border-right: 1px solid #E3E9EB;
 }
 
-.image-inhibited label span:hover {
+.imageBack_Inhib_Customyourown input[type="radio"]:checked+label span{
+    background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Inhibited/Customyourown_Holo.png');
     background-position: center;
     background-repeat: no-repeat;
+    color: #000000;
+    border-bottom: 1px solid #2D96FA;
+    border-top: 1px solid #E3E9EB;
+    border-left: 1px solid #E3E9EB;
+    border-right: 1px solid #E3E9EB;
 }
-
 /* Stabilized */
 
 #stabilized{
@@ -802,24 +886,34 @@ body {
     overflow: hidden;
     width: 600px;
     padding-bottom: 5px;
+    display: flex;
+    flex-wrap: wrap;
 }
 
-#id_ProteinDomainComplexTypeForm-stabilized label span{
+.imageBack_Stab_Customyourown input {
+    display:none;
+}
+
+.imageBack_Stab_Customyourown label span{
   display: inline-block;
   width: 180px;
   text-align: center;
   border: 1px solid #8D8888;
+  background-color: #FFFFFF;
+  background-image: url('/static/images/PPITypes/Stabilized/Customyourown_Apo.png');
+  background-position: center;
+  background-repeat: no-repeat;
   height: 180px;
   font-size: 12px;
-} 
 
-#id_ProteinDomainComplexTypeForm-stabilized input {
-    display:none;
-}
+} 
 
-#id_ProteinDomainComplexTypeForm-stabilized input:hover+label span{
+.imageBack_Stab_Customyourown input:hover+label span{
     cursor: pointer;
     background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Stabilized/Customyourown_Holo.png');
+    background-position: center;
+    background-repeat: no-repeat;
     color: #000000;
     border-bottom: 1px solid #2D96FA;
     border-top: 1px solid #E3E9EB;
@@ -827,8 +921,11 @@ body {
     border-right: 1px solid #E3E9EB;
 }
 
-#id_ProteinDomainComplexTypeForm-stabilized input[type="radio"]:checked+label span{
+.imageBack_Stab_Customyourown input[type="radio"]:checked+label span{
     background-color: #FFFFFF;
+    background-image: url('/static/images/PPITypes/Stabilized/Customyourown_Holo.png');
+    background-position: center;
+    background-repeat: no-repeat;
     color: #000000;
     border-bottom: 1px solid #2D96FA;
     border-top: 1px solid #E3E9EB;
@@ -837,6 +934,10 @@ body {
 }
 
 
+
+
+
+
 button, input, select, textarea {
     line-height: inherit;
     font-family: "BrandonGrotesqueReg";
diff --git a/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Apo.png b/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Apo.png
index 3726d3e314ccb7c3e948171be5bd96293090c455..90ecfaf138fd40773474bc71847888c92db595f9 100644
Binary files a/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Apo.png and b/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Apo.png differ
diff --git a/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Holo.png b/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Holo.png
index 3726d3e314ccb7c3e948171be5bd96293090c455..c094ea6329150b771b729db3f26e1bd150e47c6f 100644
Binary files a/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Holo.png and b/ippisite/ippidb/static/images/PPITypes/Inhibited/Customyourown_Holo.png differ
diff --git a/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Apo.png b/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Apo.png
index 3726d3e314ccb7c3e948171be5bd96293090c455..90ecfaf138fd40773474bc71847888c92db595f9 100644
Binary files a/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Apo.png and b/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Apo.png differ
diff --git a/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Holo.png b/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Holo.png
index 3726d3e314ccb7c3e948171be5bd96293090c455..c094ea6329150b771b729db3f26e1bd150e47c6f 100644
Binary files a/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Holo.png and b/ippisite/ippidb/static/images/PPITypes/Stabilized/Customyourown_Holo.png differ
diff --git a/ippisite/ippidb/static/images/PPITypes/Stabilized/Hetero2merApo.png b/ippisite/ippidb/static/images/PPITypes/Stabilized/Hetero2-merABApo.png
similarity index 100%
rename from ippisite/ippidb/static/images/PPITypes/Stabilized/Hetero2merApo.png
rename to ippisite/ippidb/static/images/PPITypes/Stabilized/Hetero2-merABApo.png
diff --git a/ippisite/ippidb/templates/PDBForm.html b/ippisite/ippidb/templates/PDBForm.html
index 1efe561d9f2109baccf6a4e3d314f8177e126dbb..fc081b80415278b3bd22023cb32a52326cde0832 100644
--- a/ippisite/ippidb/templates/PDBForm.html
+++ b/ippisite/ippidb/templates/PDBForm.html
@@ -25,15 +25,17 @@
     	{% block custom_form %}{% endblock %}
 	
 		{% if wizard.form.forms %}
-			{{ wizard.form.management_form }}
+			{{ formset.management_form }}
 			{% for form in wizard.form.forms %}
 			    {{ form }}
 			{% endfor %}
 		{% else %}
-			<div class="input_fields_wrap">
-		    	<div class="input_size">{{ wizard.form.pdb_id }}
-		    	<div class="add_field_button"><img class="small_icon" src="/static/images/Other/AddMore.png"></div></div>
-		    </div>
+			{{ formset.management_form }}
+		    {% for form in formset %}
+		        {% for field in form %}
+		            {{ field.label_tag }} {{ field }}
+		        {% endfor %}
+		    {% endfor %}
 		{% endif %}
 		</table>
 		<input type="submit" value="{% trans "Next step" %}"/>
diff --git a/ippisite/ippidb/templates/ProteinDomainComplexTypeForm.html b/ippisite/ippidb/templates/ProteinDomainComplexTypeForm.html
index 976d058c286bfa94ee3ecb61828d864947bf31d3..db177f898dc34c4344f4c6c99b60254ab5f31118 100644
--- a/ippisite/ippidb/templates/ProteinDomainComplexTypeForm.html
+++ b/ippisite/ippidb/templates/ProteinDomainComplexTypeForm.html
@@ -35,23 +35,29 @@ If your PPI complex is not among them, please select « Create you Own »</p>
 				<div class="type_title">
 					<h1>Inhibited</h1>
 				</div>
-				<div id="id_ProteinDomainComplexTypeForm-inhibited" class="image-inhibited">
+				<div id="id_ProteinDomainComplexTypeForm-inhibited">
 					{% for radio in wizard.form.inhibited %}
-			    	  	{{ radio.tag }}
-			        	<label style="background-image: url('/static/images/PPITypes/Inhibited/{{radio.choice_label|cut:" "}}_Apo.png');" for="{{ radio.id_for_label }}">
-			        		<span>{{ radio.choice_label}}</span>
-			    		</label>
+						<div class="imageBack_Inhib_{{radio.choice_label|cut:" "}}">
+				    	  	{{ radio.tag }}
+				        	<label for="{{ radio.id_for_label }}">
+				        		<span>{{ radio.choice_label}}</span>
+				    		</label>
+			    		</div>
 					{% endfor %}
 				</div>
 			</div>
 			<div id="stabilized" class="type_style">
-				<div class="type_title"><h1>Stabilized</h1></div>
+				<div class="type_title">
+					<h1>Stabilized</h1>
+				</div>
 				<div id="id_ProteinDomainComplexTypeForm-stabilized">
 					{% for radio in wizard.form.stabilized %}
-			    	  	{{ radio.tag }}
-			        	<label style="background-image: url('/static/images/DimericsPPI/Stabilized/{{radio.choice_label|cut:" "}}.png');" for="{{ radio.id_for_label }}">
-			        		<span>{{ radio.choice_label}}</span>
-			    		</label>
+						<div class="imageBack_Stab_{{radio.choice_label|cut:" "}}">
+			    	  		{{ radio.tag }}
+				        	<label for="{{ radio.id_for_label }}">
+				        		<span>{{ radio.choice_label}}</span>
+				    		</label>
+				    	</div>
 					{% endfor %}
 				</div>
 			</div>
diff --git a/ippisite/ippidb/templates/ProteinForm.html b/ippisite/ippidb/templates/ProteinForm.html
index 68a4279c4ddbd1c631ad807ac29bc5ac326eada0..1664265c92b630dada2485edae66585381f96975 100644
--- a/ippisite/ippidb/templates/ProteinForm.html
+++ b/ippisite/ippidb/templates/ProteinForm.html
@@ -25,12 +25,12 @@
     	{% block custom_form %}{% endblock %}
 	
 		{% if wizard.form.forms %}
-			{{ wizard.form.management_form }}
+			{{ formset.management_form }}
 			{% for form in wizard.form.forms %}
 			    {{ form }}
 			{% endfor %}
 		{% else %}
-			{{ wizard.form.management_form }}
+			{{ formset.management_form }}
 		    {% for form in formset %}
 		        {% for field in form %}
 		            {{ field.label_tag }} {{ field }}
diff --git a/ippisite/ippidb/views.py b/ippisite/ippidb/views.py
index 862fe3b01350b4313b2e7508666ca7bc4808a3b4..bb12abebf0c746b2a32e46ca2985d3c1ed6dc968 100644
--- a/ippisite/ippidb/views.py
+++ b/ippisite/ippidb/views.py
@@ -3,7 +3,7 @@ from django.shortcuts import render
 from django.http import HttpResponseRedirect
 from formtools.wizard.views import SessionWizardView,NamedUrlSessionWizardView
 
-from .forms import IdForm, BibliographyForm, PDBForm, ProteinForm, ProteinDomainComplexTypeForm, ProteinDomainComplexForm, PpiForm, ProteinFormSet
+from .forms import IdForm, BibliographyForm, PDBForm, ProteinForm, ProteinDomainComplexTypeForm, ProteinDomainComplexForm, PpiForm, ProteinFormSet, PDBFormSet
 from .models import Protein
 from .ws import get_pdb_uniprot_mapping
 
@@ -24,7 +24,7 @@ def adminSession(request):
 
 FORMS = [("IdForm", ippidb.forms.IdForm),
          ("BibliographyForm", ippidb.forms.BibliographyForm),
-         ("PDBForm", ippidb.forms.PDBForm),
+         ("PDBForm", ippidb.forms.PDBFormSet),
          ("ProteinForm",ippidb.forms.ProteinFormSet),
          ("ProteinDomainComplexTypeForm", ippidb.forms.ProteinDomainComplexTypeForm),
          ("ProteinDomainComplexForm", ippidb.forms.ProteinDomainComplexForm),