SMTL ID : 1bof.1

GI-ALPHA-1 BOUND TO GDP AND MAGNESIUM

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: R.14, R.20, R.31, L.347 3 PLIP interactions: 3 interactions with chain A Salt bridges: A:R.14, A:R.20, A:R.31 SO4.3: 8 residues within 4Å: Chain A: G.41, K.45, K.179, T.180, V.200, G.201, G.202 Ligands: GDP.4 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:G.202 Water bridges: A:T.180, A:T.180 Salt bridges: A:K.45, A:K.179

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: S.46, T.180 Ligands: GDP.4 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:S.46, A:T.180, H2O.2, H2O.2, H2O.2

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

GDP.4: 22 residues within 4Å: Chain A: A.40, G.41, E.42, S.43, G.44, K.45, S.46, T.47, 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.2, SO4.3 27 PLIP interactions: 27 interactions with chain A Hydrogen bonds: A:A.40, A:E.42, A:S.43, A:G.44, A:K.45, A:S.46, A:T.47, A:T.47, A:S.150, A:T.176, A:N.268, A:K.269, A:K.269, A:A.325 Water bridges: A:S.46, A:S.46, A:S.46, A:D.149, A:R.175, A:R.177, A:T.180, A:D.199 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., Crystal structures of the G protein Gi alpha 1 complexed with GDP and Mg2+: a crystallographic titration experiment. Biochemistry (1998)

Release Date

1999-01-06

Peptides

GI ALPHA 1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

GI ALPHA 1

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