SMTL ID : 3ffa.1

Crystal Structure of a fast activating G protein mutant

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

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

GSP.1: 26 residues within 4Å: Chain A: A.47, G.48, E.49, S.50, G.51, K.52, S.53, T.54, D.156, S.157, L.181, R.182, T.183, R.184, K.186, T.187, G.208, G.209, N.275, K.276, D.278, L.279, C.331, A.332, T.333 Ligands: MG.2 31 PLIP interactions: 31 interactions with chain A Hydrogen bonds: A:E.49, A:S.50, A:G.51, A:K.52, A:S.53, A:S.53, A:T.54, A:T.54, A:S.157, A:T.183, A:R.184, A:R.184, A:T.187, A:T.187, A:N.275, A:K.276, A:K.276, A:A.332 Water bridges: A:S.53, A:S.53, A:K.57, A:D.156, A:D.156, A:S.157, A:R.182, A:R.182, A:Q.210, A:Q.210 Salt bridges: A:K.52, A:D.278 pi-Cation interactions: A:K.276

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 6 residues within 4Å: Chain A: K.52, S.53, T.187, D.206, V.207 Ligands: GSP.1 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:T.187

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

SO4.3: 3 residues within 4Å: Chain A: T.176, Q.177, Q.178 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:T.176, A:Q.177, A:Q.178 Water bridges: A:T.176, A:Q.178

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kapoor, N. et al., Structural evidence for a sequential release mechanism for activation of heterotrimeric g proteins. J.Mol.Biol. (2009)

Release Date

2009-10-06

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

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