PDB Entry (4m21)
PDB ID: 4m21 Resolution: 1.94 Å Exp. Method: X-RAY DIFFRACTION
PMID: 24256730 DOI: 10.1038/nature12796
Protein
Protein Name: GTPase KRas
Uniprot ID/ACC: P01116 (RASK_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: KRAS Gene ID: 3845
Protein Class: SIGNALING PROTEIN
Ligand
Ligand Name:   1-(4-{2-[(4,5-dichloro-2-methoxyphenyl)amino]acetyl}piperazin-1-yl)prop-2-en-1-one
Canonical SMILES:   COc1cc(Cl)c(Cl)cc1NCC(=O)N2CCN(CC2)C(=O)C=C
Standard InChI:   InChI=1S/C16H19Cl2N3O3/c1-3-15(22)20-4-6-21(7-5-20)16(23)10-19-13-8-11(17)12(18)9-14(13)24-2/h3,8-9,19H,1,4-7,10H2,2H3
HET Code:   21Y PubChem:   89864119
DrugBank:   - ChEMBL:   CHEMBL4293581
Molecular Formula:   C16H19Cl2N3O3 Mol. Weight:   371.08035 logP:   2.2707
HBD:   1 HBA:   4
#Rotatable Bonds:   5 TPSA:   61.88
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 12 B 122.7 9.79 Vinyl Sulfonyl
Binding Affinity
-