RO-4624: make motifs work without assembly info

Author: sbittrich

CHANGELOG.md

@@ -2,6 +2,15 @@
 
 [Semantic Versioning](https://semver.org/)
 
+## [2.11.3] - 2025-04-04
+### General
+- Better handling for motifs in assembly-less entries (RO-4624)
+
+## [2.11.2] - 2025-04-02
+### General
+- Dependency updates
+- React 19 support
+
 ## [2.11.2] - 2025-01-27
 ### General
 - Dependency updates (RO-4535: PDB-IHM rebranding)

src/viewer/helpers/preset.ts

@@ -419,9 +419,10 @@ function determineAssemblyId(traj: any, p: MotifProps) {
     } catch (error) {
         console.warn(error);
     }
-    // default to '1' if error or legitimately not found
-    console.warn(`Could not auto-detect assembly-of-interest. Falling back to '1'`);
-    Object.assign(p, { assemblyId: '1' });
+    // default to model coordinates if error or legitimately not found
+    console.warn(`Could not auto-detect assembly-of-interest. Defaulting to model coordinates and dropping "structOperId" values`);
+    Object.assign(p, { assemblyId: undefined });
+    Object.assign(p, { targets: p.targets.map(({ structOperId, ...rest }) => rest) });
 }
 
 async function initVolumeStreaming(plugin: PluginContext, structure: StructureObject, props?: { overrideRadius?: number, hiddenChannels: string[], wireframe?: boolean }) {

src/viewer/index.html

@@ -620,6 +620,22 @@ <h2> RCSB PDB Mol* Viewer - Test Page</h2>
                         }
                     }
                 },
+                {
+                    id: '9A8B',
+                    info: 'motif + IHM: Dipeptide repeat designed model, 4x DPR2, verified with CD and NMR data',
+                    config: {
+                        props: {
+                            kind: 'motif',
+                            label: '9A8B',
+                            targets: [
+                                { labelAsymId: 'A', structOperId: '1', labelSeqId: 3 },
+                                { labelAsymId: 'A', structOperId: '1', labelSeqId: 5 },
+                                { labelAsymId: 'A', structOperId: '1', labelSeqId: 7 },
+                                { labelAsymId: 'A', structOperId: '1', labelSeqId: 9 },
+                            ],
+                        }
+                    }
+                },
                 {
                     id: 'AF-Q8W3K0-F1',
                     url: 'https://alphafold.ebi.ac.uk/files/AF-Q8W3K0-F1-model_v4.cif',