SMTL ID : 2v4z.1

The crystal structure of the human G-protein subunit alpha (GNAI3) in complex with an engineered regulator of G-protein signaling type 2 domain (RGS2)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

hetero-1-1-mer

Ligands

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

GDP.1: 22 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, T.180, N.268, K.269, D.271, L.272, C.324, A.325, T.326 Ligands: ALF.2, MG.3 23 PLIP interactions: 23 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:N.268, A:K.269, A:K.269, A:A.325, A:T.326 Water bridges: A:R.177, 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

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.2: 14 residues within 4Å: Chain A: G.41, E.42, K.45, S.46, R.177, V.178, K.179, T.180, V.200, G.201, G.202, Q.203 Ligands: GDP.1, MG.3 No protein-ligand interaction detected (PLIP)

1 x MG: MAGNESIUM ION(Non-covalent)

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

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kimple, A.J. et al., Structural Determinants of G-Protein Alpha Subunit Selectivity by Regulator of G-Protein Signaling 2(Rgs2). J.Biol.Chem. (2009)

Release Date

2008-11-04

Peptides

GUANINE NUCLEOTIDE-BINDING PROTEIN G(K) SUBUNIT ALPHA: A
REGULATOR OF G-PROTEIN SIGNALING 2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

GUANINE NUCLEOTIDE-BINDING PROTEIN G(K) SUBUNIT ALPHA

REGULATOR OF G-PROTEIN SIGNALING 2

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