SMTL ID : 9o0s.1

Crystal structure of KRAS-Q61R mutant, GMPPNP-bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.89 Å

Oligo State

monomer

Ligands

1 x GNP: PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER(Non-covalent)

GNP.1: 25 residues within 4Å: Chain A: A.12, G.13, G.14, V.15, G.16, K.17, S.18, A.19, F.29, V.30, D.31, E.32, Y.33, P.35, T.36, A.60, G.61, N.117, K.118, D.120, L.121, S.146, A.147, K.148 Ligands: MG.2 26 PLIP interactions: 26 interactions with chain A Hydrogen bonds: A:G.14, A:V.15, A:G.16, A:K.17, A:K.17, A:S.18, A:S.18, A:A.19, A:V.30, A:Y.33, A:Y.33, A:T.36, A:T.36, A:G.61, A:N.117, A:K.118, A:K.118, A:A.147, A:K.148 Water bridges: A:D.31, A:R.62, A:R.62 Salt bridges: A:D.120 pi-Stacking: A:F.29, A:F.29 pi-Cation interactions: A:K.118

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: S.18, T.36, D.58 Ligands: GNP.1 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.18, A:T.36, H2O.1, H2O.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Alexander, P. et al., Biophysical and structural analysis of KRAS switch-II pocket inhibitors reveals allele-specific binding constraints. J.Biol.Chem. (2025)

Release Date

2025-06-25

Peptides

GTPase KRas: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

GTPase KRas

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