SMTL ID : 5o2s.2 (3 other biounits)

Human KRAS in complex with darpin K27

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.22 Å

Oligo State

hetero-oligomer

Ligands

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

GDP.1: 21 residues within 4Å: Chain A: A.14, V.15, G.16, V.17, G.18, K.19, S.20, A.21, F.31, V.32, D.33, E.34, Y.35, N.119, K.120, D.122, L.123, S.148, A.149, K.150 Ligands: MG.2 25 PLIP interactions: 25 interactions with chain A Hydrogen bonds: A:A.14, A:G.16, A:V.17, A:G.18, A:K.19, A:S.20, A:A.21, A:V.32, A:E.34, A:N.119, A:K.120, A:K.120, A:D.122, A:A.149, A:K.150 Water bridges: A:K.19, A:K.19, A:K.19, A:S.20, A:Y.35, A:D.60 Salt bridges: A:K.19, A:D.122 pi-Stacking: A:F.31, A:F.31

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: S.20, D.36, D.60 Ligands: GDP.1 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:S.20, H2O.1, H2O.1, H2O.1, H2O.1

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Guillard, S. et al., Structural and functional characterization of a DARPin which inhibits Ras nucleotide exchange. Nat Commun (2017)

Release Date

2017-07-26

Peptides

GTPase KRas: A
darpin K27: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

GTPase KRas

darpin K27

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