SMTL ID : 1gfi.1

STRUCTURES OF ACTIVE CONFORMATIONS OF GI ALPHA 1 AND THE MECHANISM OF GTP HYDROLYSIS

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: S.46, T.180 Ligands: ALF.2, GDP.3 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.46, A:T.180, H2O.1, H2O.1

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.2: 12 residues within 4Å: Chain A: G.41, E.42, K.45, R.177, K.179, T.180, V.200, G.201, G.202, Q.203 Ligands: MG.1, GDP.3 No protein-ligand interaction detected (PLIP)

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

GDP.3: 21 residues within 4Å: Chain A: E.42, S.43, G.44, K.45, S.46, T.47, D.149, S.150, L.174, R.175, T.176, R.177, N.268, K.269, D.271, L.272, C.324, A.325, T.326 Ligands: MG.1, ALF.2 27 PLIP interactions: 27 interactions with chain A Hydrogen bonds: A:E.42, A:S.43, A:G.44, A:K.45, A:S.46, A:T.47, A:T.47, A:D.149, A:S.150, A:T.176, A:T.180, A:N.268, A:K.269, A:K.269, A:A.325 Water bridges: A:D.149, A:S.150, A:R.175, A:R.177, A:T.180, A:T.180, A:G.202 Salt bridges: A:K.45, A:R.177, A:R.177, A:D.271 pi-Cation interactions: A:K.269

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Coleman, D.E. et al., Structures of active conformations of Gi alpha 1 and the mechanism of GTP hydrolysis. Science (1994)

Release Date

1995-03-31

Peptides

GUANINE NUCLEOTIDE-BINDING PROTEIN G: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

GUANINE NUCLEOTIDE-BINDING PROTEIN G

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