diff --git a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java
index e3cad0ac38f6a3ba9234f2187cc143ae76c74ac6..9d76fc6da9dc9182e96bb5fdbfc2a8bcc6615099 100644
--- a/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java
+++ b/openbis/source/java/ch/systemsx/cisd/openbis/generic/client/web/client/application/ui/property/PropertyGrid.java
@@ -62,12 +62,18 @@ public final class PropertyGrid extends Grid
     private final IMessageProvider messageProvider;
 
     public PropertyGrid(final IViewContext<?> viewContext, final int rows)
+    {
+        this(viewContext, rows, "30%");
+    }
+
+    public PropertyGrid(final IViewContext<?> viewContext, final int rows, String widthOfFirstColumn)
     {
         super(rows, 2);
         this.messageProvider = viewContext;
         this.viewContext = viewContext;
         setStyleName("property-grid");
         getColumnFormatter().addStyleName(0, "header");
+        getColumnFormatter().setWidth(0, widthOfFirstColumn);
         defaultPropertyValueRenderer = new ObjectPropertyValueRenderer(messageProvider);
         registerDefaultPropertyValueRenderers();
     }
diff --git a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/proteomics/client/web/client/application/ProteinViewer.java b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/proteomics/client/web/client/application/ProteinViewer.java
index 412306860ad37f27dde023504ffd7061c7a89221..82626c8919d46428600747332416d20781270098 100644
--- a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/proteomics/client/web/client/application/ProteinViewer.java
+++ b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/proteomics/client/web/client/application/ProteinViewer.java
@@ -296,7 +296,7 @@ public class ProteinViewer extends AbstractViewerWithVerticalSplit<IEntityInform
     private PropertyGrid createPropertyGrid(ProteinByExperiment protein)
     {
         final Map<String, Object> properties = new LinkedHashMap<String, Object>();
-        PropertyGrid propertyGrid = new PropertyGrid(viewContext, 0);
+        PropertyGrid propertyGrid = new PropertyGrid(viewContext, 0, "200");
         if (experimentOrNull != null)
         {
             properties.put(viewContext.getMessage(Dict.EXPERIMENT_LABEL), experimentOrNull);