fixed 2-hydroxyl selection

- fixes #2218 - RNA 2-hydroxyl selection now agrees with our docs: H2'' (wrong) --> H2' (correct)
MDAnalysis · Apr 2, 2019 · a1ae030 · a1ae030
1 parent 9428866
commit a1ae030
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/package/MDAnalysis/analysis/nuclinfo.py b/package/MDAnalysis/analysis/nuclinfo.py
@@ -704,10 +704,10 @@ def hydroxyl(universe, seg, i):
     .. versionadded:: 0.7.6
 
     """
-    h = universe.select_atoms(" atom {0!s} {1!s} C1\' ".format(seg, i),
-                              " atom {0!s} {1!s} C2\' ".format(seg, i),
-                              " atom {0!s} {1!s} O2\' ".format(seg, i),
-                              " atom {0!s} {1!s} H2\'\' ".format(seg, i))
+    h = universe.select_atoms("atom {0!s} {1!s} C1'".format(seg, i),
+                              "atom {0!s} {1!s} C2'".format(seg, i),
+                              "atom {0!s} {1!s} O2'".format(seg, i),
+                              "atom {0!s} {1!s} H2'".format(seg, i))
     try:
         hydr = h.dihedral.value() % 360
     except ValueError: