SMTL ID : 521p.1

THREE-DIMENSIONAL STRUCTURES OF H-RAS P21 MUTANTS: MOLECULAR BASIS FOR THEIR INABILITY TO FUNCTION AS SIGNAL SWITCH MOLECULES

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.60 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: GTP.2 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:S.17, A:T.35 MG.3: 3 residues within 4Å: Chain B: S.17, T.35 Ligands: GTP.4 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:S.17, B:T.35

2 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.2: 21 residues within 4Å: Chain A: A.11, V.12, G.13, V.14, G.15, K.16, S.17, A.18, F.28, V.29, D.30, P.34, T.35, N.116, K.117, D.119, L.120, S.145, A.146, K.147 Ligands: MG.1 17 PLIP interactions: 17 interactions with chain A Hydrogen bonds: A:G.13, A:G.15, A:K.16, A:S.17, A:A.18, A:D.30, A:T.35, A:N.116, A:K.117, A:K.117, A:A.146, A:K.147 Salt bridges: A:K.16, A:K.16, A:D.119 pi-Stacking: A:F.28, A:F.28 GTP.4: 21 residues within 4Å: Chain B: A.11, V.12, G.13, V.14, G.15, K.16, S.17, A.18, F.28, V.29, D.30, P.34, T.35, N.116, K.117, D.119, L.120, S.145, A.146, K.147 Ligands: MG.3 18 PLIP interactions: 18 interactions with chain B Hydrogen bonds: B:G.13, B:G.15, B:K.16, B:S.17, B:A.18, B:D.30, B:T.35, B:T.35, B:N.116, B:K.117, B:K.117, B:A.146, B:K.147 Salt bridges: B:K.16, B:K.16, B:D.119 pi-Stacking: B:F.28, B:F.28

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Krengel, U. et al., Three-dimensional structures of H-ras p21 mutants: molecular basis for their inability to function as signal switch molecules. Cell(Cambridge,Mass.) (1990)

Release Date

1994-01-31

Peptides

H-RAS P21 PROTEIN: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

H-RAS P21 PROTEIN