SMTL ID : 4epx.1

Discovery of Small Molecules that Bind to K-Ras and Inhibit Sos-mediated Activation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.76 Å

Oligo State

monomer

Ligands

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

GDP.1: 20 residues within 4Å: Chain A: A.12, V.13, G.14, V.15, G.16, K.17, S.18, A.19, F.29, V.30, D.31, Y.33, N.117, K.118, D.120, L.121, S.146, A.147, K.148 Ligands: MG.2 23 PLIP interactions: 23 interactions with chain A Hydrogen bonds: 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:K.17, A:K.17, A:S.18, A:Y.33, A:Y.33, A:Y.33 Salt bridges: A:K.17, A:D.120 pi-Stacking: A:F.29, A:F.29

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 2 residues within 4Å: Chain A: S.18 Ligands: GDP.1 5 PLIP interactions: 1 interactions with chain A, 4 Ligand-Water interactions Metal complexes: A:S.18, H2O.1, H2O.1, H2O.2, H2O.2

1 x 0QR: N-(6-aminopyridin-2-yl)-4-fluorobenzenesulfonamide(Non-covalent)

0QR.3: 13 residues within 4Å: Chain A: K.6, L.7, V.8, E.38, D.55, I.56, L.57, E.63, M.68, Q.71, Y.72, T.75, G.76 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:K.6, A:V.8, A:L.57, A:L.57, A:Q.71, A:Y.72, A:T.75 Hydrogen bonds: A:L.7, A:D.55, A:L.57, A:T.75 Water bridges: A:S.40, A:S.40 Halogen bonds: A:E.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sun, Q. et al., Discovery of Small Molecules that Bind to K-Ras and Inhibit Sos-Mediated Activation. Angew.Chem.Int.Ed.Engl. (2012)

Release Date

2012-05-23

Peptides

GTPase KRas: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

GTPase KRas

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