SMTL ID : 3d7m.1

Crystal Structure of the G Protein Fast-Exchange Double Mutant I56C/Q333C

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

monomer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: S.47, T.181, D.200 Ligands: ALF.2, GDP.3 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:S.47, A:T.181, H2O.1

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.2: 13 residues within 4Å: Chain A: A.41, G.42, E.43, K.46, R.178, V.179, K.180, T.181, G.202, G.203, Q.204 Ligands: MG.1, GDP.3 No protein-ligand interaction detected (PLIP)

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

GDP.3: 22 residues within 4Å: Chain A: G.42, E.43, S.44, G.45, K.46, S.47, T.48, D.150, S.151, L.175, R.176, T.177, R.178, N.269, K.270, D.272, L.273, C.325, A.326, T.327 Ligands: MG.1, ALF.2 23 PLIP interactions: 23 interactions with chain A Hydrogen bonds: A:E.43, A:S.44, A:G.45, A:K.46, A:S.47, A:T.48, A:T.48, A:S.151, A:L.175, A:N.269, A:K.270, A:K.270, A:A.326 Water bridges: A:S.47, A:K.51, A:D.150, A:R.176, A:T.181 Salt bridges: A:K.46, A:R.178, A:R.178, A:D.272 pi-Cation interactions: A:K.270

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Preininger, A.M. et al., Helix dipole movement and conformational variability contribute to allosteric GDP release in Galphai subunits. Biochemistry (2009)

Release Date

2009-03-03

Peptides

Guanine nucleotide-binding protein G(i), alpha-1 subunit: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Guanine nucleotide-binding protein G(i), alpha-1 subunit