Update modify_peptides.py

Author: evelyn-schmidt

scripts/modify_peptides.py

@@ -32,7 +32,7 @@ def generate_modifed_peptides(n, name, base_sequence):
     characters = ['K', 'R']
 
     # Generate all possible combinations up to length n
-    all_combinations = chain.from_iterable(product(characters, repeat=i) for i in range(1, n + 1))
+    all_combinations = chain.from_iterable(product(characters, repeat=i) for i in range(1, n))
     possible_modifications = set(''.join(combination) for combination in all_combinations)
 
     peptide_table = []
@@ -248,4 +248,4 @@ def  create_subpeptide_fastas_c_term(input_dir, results_dir, infile_path):
 
 
 if __name__ == "__main__":
-    main()
+    main()