fix mmcif title suffix

jamesmkrieger · Oct 18, 2023 · 222fd0b · 222fd0b
1 parent 3fbf6b8
commit 222fd0b
Showing 1 changed file with 8 additions and 7 deletions.
diff --git a/prody/proteins/ciffile.py b/prody/proteins/ciffile.py
@@ -177,6 +177,14 @@ def parseMMCIFStream(stream, **kwargs):
                             .format(str(model)))
     title_suffix = ''
 
+
+    if chain is not None:
+        if not isinstance(chain, str):
+            raise TypeError('chain must be a string')
+        elif len(chain) == 0:
+            raise ValueError('chain must not be an empty string')
+        title_suffix = chain + title_suffix
+
     if subset:
         try:
             subset = _PDBSubsets[subset.lower()]
@@ -187,13 +195,6 @@ def parseMMCIFStream(stream, **kwargs):
                              .format(repr(subset)))
         title_suffix = '_' + subset
 
-    if chain is not None:
-        if not isinstance(chain, str):
-            raise TypeError('chain must be a string')
-        elif len(chain) == 0:
-            raise ValueError('chain must not be an empty string')
-        title_suffix = '_' + chain + title_suffix
-
     if segment is not None:
         if not isinstance(segment, str):
             raise TypeError('segment must be a string')