SMTL ID : 4m1y.2 (2 other biounits)

Crystal Structure of small molecule vinylsulfonamide 15 covalently bound to K-Ras G12C

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.49 Å

Oligo State

monomer

Ligands

1 x 21S: N-{1-[N-(5,7-dichloro-2,1,3-benzothiadiazol-4-yl)glycyl]piperidin-4-yl}ethanesulfonamide(Covalent)

21S.1: 16 residues within 4Å: Chain A: V.8, V.9, V.10, G.11, A.12, C.13, K.17, T.59, E.63, E.64, R.69, Y.72, M.73, Y.97, Q.100, I.101 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.10 Hydrogen bonds: A:G.11, A:T.59, A:E.63 Halogen bonds: A:Q.100

1 x GDP: GUANOSINE-5'-DIPHOSPHATE(Non-covalent)

GDP.2: 17 residues within 4Å: Chain A: A.12, C.13, G.14, V.15, G.16, K.17, S.18, A.19, F.29, V.30, N.117, K.118, D.120, L.121, S.146, A.147, K.148 20 PLIP interactions: 20 interactions with chain A Hydrogen bonds: A:A.12, A:G.14, A:V.15, A:G.16, A:K.17, A:S.18, A:S.18, A:A.19, A:N.117, A:K.118, A:K.118, A:A.147, A:K.148 Water bridges: A:K.17, A:K.17, A:V.30 Salt bridges: A:K.17, A:D.120 pi-Stacking: A:F.29, A:F.29

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ostrem, J.M. et al., K-Ras(G12C) inhibitors allosterically control GTP affinity and effector interactions. Nature (2013)

Release Date

2013-11-27

Peptides

K-Ras GTPase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

K-Ras GTPase

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