add oligosaccharide example

src/viewer/index.html

@@ -265,6 +265,16 @@
                 {
                     id: '1GRM',
                     info: 'REFINEMENT OF THE SPATIAL STRUCTURE OF THE GRAMICIDIN A TRANSMEMBRANE ION-CHANNEL. Single-starnded helix from beta-sheet. NMR structure.'
+                },
+                {
+                    id: '1B5F',
+                    info: 'oligosaccharide: NATIVE CARDOSIN A FROM CYNARA CARDUNCULUS L.',
+                    props: {
+                        kind: 'feature',
+                        target: {
+                            label_asym_id: 'E'
+                        }
+                    }
                 }
             ];