Merge pull request nglviewer#990 from panda-byte/980-alphafold-databa…

…se-cif-files-cant-be-loaded Check for missing `pdbx_PDB_helix_class` in CifParser
bgruening · Jun 16, 2023 · c469608 · c469608
2 parents bac4aec + 332dee3
commit c469608
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/parser/cif-parser.ts b/src/parser/cif-parser.ts
@@ -285,7 +285,7 @@ function processSecondaryStructure (cif: Cif, structure: Structure, asymIdDict:
   // get helices
   var sc = cif.struct_conf
 
-  if (sc) {
+  if (sc?.pdbx_PDB_helix_class) {
     ensureArray(sc, 'id')
 
     for (i = 0, il = sc.beg_auth_seq_id.length; i < il; ++i) {