SMTL ID : 621p.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: S.17, T.35, D.57 Ligands: GNP.2 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:S.17, A:T.35, H2O.9 MG.3: 4 residues within 4Å: Chain B: S.17, T.35, D.57 Ligands: GNP.4 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:S.17, B:T.35, H2O.18

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

GNP.2: 24 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, T.58, G.60, N.116, K.117, D.119, L.120, S.145, A.146, K.147 Ligands: MG.1 24 PLIP interactions: 24 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:D.33, A:T.35, A:T.35, A:H.61 Salt bridges: A:D.119 pi-Stacking: A:F.28, A:F.28 pi-Cation interactions: A:K.117 GNP.4: 24 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, T.58, G.60, N.116, K.117, D.119, L.120, S.145, A.146, K.147 Ligands: MG.3 24 PLIP interactions: 24 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:D.33, B:T.35, B:H.61 Salt bridges: B:D.119 pi-Stacking: B:F.28, B:F.28 pi-Cation interactions: B:K.117

Links

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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