PDB Entry (4kw7)
PDB ID: 4kw7 Resolution: 1.8 Å Exp. Method: X-RAY DIFFRACTION
PMID: 25760600 DOI: 10.1107/S1399004714027552
Protein
Protein Name: Arsenic methyltransferase
Uniprot ID/ACC: C0JV69 (C0JV69_9RHOD) Organism: Cyanidioschyzon sp. 5508
Gene Symbol: arsM Gene ID: -
Protein Class: TRANSFERASE
Ligand
Ligand Name:   Phenylarsine oxide
Canonical SMILES:   O=[As]c1ccccc1
Standard InChI:   InChI=1S/C6H5AsO/c8-7-6-4-2-1-3-5-6/h1-5H
HET Code:   PA0 PubChem:   4778
DrugBank:   - ChEMBL:   CHEMBL477683
Molecular Formula:   C6H5AsO Mol. Weight:   167.95564 logP:   0.3616
HBD:   0 HBA:   1
#Rotatable Bonds:   1 TPSA:   17.07
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Nucleophilic Addition to a Double Bond CYS 224 A 9.21 8.23 Arsine Oxide
Nucleophilic Addition to a Double Bond CYS 174 A 27.92 17.0 Arsine Oxide
Binding Affinity
-