diff --git a/src/geometry/backbone.py b/src/geometry/backbone.py
index 75b08a3..bacfa18 100644
--- a/src/geometry/backbone.py
+++ b/src/geometry/backbone.py
@@ -11,3 +11,14 @@ GEO = {
     'C_N_CA_angle': 122.0,
     'C_N_H_angle': 119.0, 
 }
+
+# First residue backbone hardcoded. From 6G4A MET1
+ORI = {
+     'N': [ -17.396, -12.153, -13.987 ],
+    'CA': [ -16.295, -12.486, -13.259 ],
+     'C': [ -16.534, -10.993, -13.428 ],
+     'O': [ -16.891, -10.572, -14.520 ],
+}
+
+if __name__ == "__main__":
+    print(ORI['C'])