SMTL ID : 5v9u.1 (1 other biounit)

Crystal Structure of small molecule ARS-1620 covalently bound to K-Ras G12C

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.38 Å

Oligo State

monomer

Ligands

4 x CA: CALCIUM ION(Non-covalent)

CA.1: 2 residues within 4Å: Chain A: S.18 Ligands: GDP.6 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:S.18, H2O.2, H2O.2, H2O.3, H2O.3 CA.2: 1 residues within 4Å: Chain A: G.139 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:G.139, H2O.2, H2O.4, H2O.7 CA.3: 1 residues within 4Å: Chain A: D.106 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.106, A:D.106, H2O.4, H2O.6 CA.7: 1 residues within 4Å: Chain A: E.108 No protein-ligand interaction detected (PLIP)

1 x 91S: (S)-1-{4-[6-chloro-8-fluoro-7-(2-fluoro-6-hydroxyphenyl)quinazolin-4-yl] piperazin-1-yl}propan-1-one(Covalent)

91S.4: 19 residues within 4Å: Chain A: V.10, G.11, C.13, K.17, P.35, A.60, G.61, Q.62, E.63, R.69, D.70, M.73, H.96, Y.97, Q.100, I.101, R.103, V.104 Ligands: GDP.6 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:M.73, A:Q.100, A:I.101, A:V.104 Hydrogen bonds: A:K.17 Water bridges: A:E.63, A:E.64, A:R.69, A:R.103, A:R.103 pi-Stacking: A:Y.97, A:Y.97

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 5 residues within 4Å: Chain A: I.22, Q.26, H.28, Y.33, Y.41 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:Q.26, A:H.28, A:Y.33, A:Y.41, A:Y.41

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

GDP.6: 20 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, D.31, N.117, K.118, D.120, L.121, S.146, A.147, K.148 Ligands: CA.1, 91S.4 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:A.19, A:V.30, A:Y.33, A:N.117, A:K.118, A:K.118, A:A.147, A:K.148 Water bridges: A:D.31, A:Y.33 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

Janes, M.R. et al., Targeting KRAS Mutant Cancers with a Covalent G12C-Specific Inhibitor. Cell (2018)

Release Date

2018-02-07

Peptides

GTPase KRas: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

GTPase KRas

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