SMTL ID : 5p21.1

REFINED CRYSTAL STRUCTURE OF THE TRIPHOSPHATE CONFORMATION OF H-RAS P21 AT 1.35 ANGSTROMS RESOLUTION: IMPLICATIONS FOR THE MECHANISM OF GTP HYDROLYSIS

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.35 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 3 residues within 4Å: Chain A: S.17, T.35 Ligands: GNP.2 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.17, A:T.35, H2O.1, H2O.1 MG.3: 3 residues within 4Å: Chain B: S.17, T.35 Ligands: GNP.4 4 PLIP interactions: 2 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:S.17, B:T.35, H2O.9, H2O.9

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

GNP.2: 23 residues within 4Å: Chain A: A.11, G.12, G.13, V.14, G.15, K.16, S.17, A.18, F.28, V.29, D.30, E.31, P.34, T.35, G.60, N.116, K.117, D.119, L.120, S.145, A.146, K.147 Ligands: MG.1 27 PLIP interactions: 27 interactions with chain A Hydrogen bonds: A:G.13, A:V.14, A:G.15, A:K.16, A:K.16, A:S.17, A:A.18, A:V.29, A:D.30, A:T.35, A:G.60, A:N.116, A:K.117, A:K.117, A:A.146, A:K.147 Water bridges: A:S.17, A:S.17, A:T.35, A:T.35, A:T.35, A:Q.61, A:D.119, A:K.147 Salt bridges: A:D.119 pi-Stacking: A:F.28, A:F.28 GNP.4: 23 residues within 4Å: Chain B: A.11, G.12, G.13, V.14, G.15, K.16, S.17, A.18, F.28, V.29, D.30, E.31, P.34, T.35, G.60, N.116, K.117, D.119, L.120, S.145, A.146, K.147 Ligands: MG.3 25 PLIP interactions: 25 interactions with chain B Hydrogen bonds: B:G.13, B:V.14, B:G.15, B:K.16, B:K.16, B:S.17, B:A.18, B:V.29, B:T.35, B:T.35, B:G.60, B:N.116, B:K.117, B:K.117, B:A.146, B:K.147 Water bridges: B:S.17, B:S.17, B:T.35, B:Q.61, B:D.119, B:K.147 Salt bridges: B:D.119 pi-Stacking: B:F.28, B:F.28

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pai, E.F. et al., Refined crystal structure of the triphosphate conformation of H-ras p21 at 1.35 A resolution: implications for the mechanism of GTP hydrolysis. EMBO J. (1990)

Release Date

1992-01-15

Peptides

C-H-RAS P21 PROTEIN: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C-H-RAS P21 PROTEIN

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