ligand NC(=[NH2+])NCCC[C@H](NC(=O)CNC(=O)[C@H](CCCNC(N)=[NH2+])NS(=O)(=O)Cc1ccccc1)C=O C00060783 P91116900 c1cc(ccc1C[C@H](C(=O)N[C@@H](CCCC[NH3+])C(=O)[O-])NC(=O)[C@H](CCCC[NH3+])[NH3+])O C13298421 P20370004 c1cc(ccc1C[C@@H](C(=O)N[C@H](CCCC[NH3+])C(=O)[O-])NC(=O)[C@@H](CCCC[NH3+])[NH3+])O C03873187 P56792879 C[C@@H](C=O)NC(=O)[C@H](CCC(=O)N)NC(=O)[C@H]([C@@H]1CC[NH+]=C(N1)N)NC(=O)N[C@H](CC(C)C)C(=O)[O-] C15149858 P60617020