From 7f2be89572ce39479f0fede6600c68ce1e8b995d Mon Sep 17 00:00:00 2001
From: p4trykk <128367670+p4trykk@users.noreply.github.com>
Date: Wed, 8 Jul 2026 10:34:33 +0200
Subject: [PATCH] Fix index for atom number extraction in Structure.py

---
 surfmap/tools/Structure.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/surfmap/tools/Structure.py b/surfmap/tools/Structure.py
index 10df2fd..438e0c6 100755
--- a/surfmap/tools/Structure.py
+++ b/surfmap/tools/Structure.py
@@ -250,7 +250,7 @@ def parsePDBParticule(filin, charge = 1, infile = False) :
     # parcoure le PDB   
     for line in lines :
         if (line[0:4] == "ATOM") or ((line[0:6] == "HETATM") and ( (line[17:20].strip() == "MET") or  (line[17:20].strip() == "MSE") )) :
-            numpart = line[7:11].strip()
+            numpart = line[4:11].strip()
             dPDB["partlist"].append(numpart)
             dPDB[numpart] = {}
             dPDB[numpart]["x"] = float(line[30:38])