Fix assign_oxygens!

MurrellGroup · May 17, 2024 · fd69777 · fd69777
1 parent 8c16a1b
commit fd69777
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/protein/oxygen.jl b/src/protein/oxygen.jl
@@ -94,7 +94,8 @@ end
 
 function assign_oxygens!(chain::Chain)
     for (i, residue) in enumerate(chain)
-        deleteat!(residue.atoms, findfirst(==("O") ∘ (atom -> atom.name), residue.atoms))
+        j = findfirst(==("O") ∘ (atom -> atom.name), residue.atoms)
+        isnothing(j) || deleteat!(residue.atoms, j)
         insert!(residue.atoms, 4, Atom("O", estimate_oxygen_position(chain, i)))
     end
     return chain