SMTL ID : 8t72.1 (2 other biounits)

Crystal structure of WT KRAS4a with bound GMPPNP and Mg ion

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

monomer

Ligands

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

GNP.1: 28 residues within 4Å: Chain A: A.12, G.13, G.14, V.15, G.16, K.17, S.18, A.19, L.20, F.29, V.30, D.31, E.32, Y.33, D.34, P.35, T.36, T.59, 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:A.12, A:G.14, A:V.15, A:G.16, A:G.16, A:K.17, A:K.17, A:S.18, A:S.18, A:A.19, A:D.31, A:Y.33, A:Y.33, A:T.36, A:G.61, A:N.117, A:K.118, A:K.118, A:S.146, A:A.147, A:K.148 Water bridges: A:D.31, A:D.34 Salt bridges: A:D.120 pi-Stacking: A:F.29, A:F.29

2 x MG: MAGNESIUM ION(Non-covalent)(Non-functional Binders)

MG.2: 4 residues within 4Å: Chain A: K.17, S.18, T.36 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 MG.3: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Whitley, M.J. et al., Comparative analysis of KRAS4a and KRAS4b splice variants reveals distinctive structural and functional properties. Sci Adv (2024)

Release Date

2024-02-14

Peptides

GTPase KRas: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

GTPase KRas

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