SMTL ID : 2gtp.2 (1 other biounit)

Crystal structure of the heterodimeric complex of human RGS1 and activated Gi alpha 1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.55 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.1: 14 residues within 4Å: Chain A: A.10, G.11, E.12, K.15, R.147, V.148, K.149, T.150, V.170, G.171, G.172, Q.173 Ligands: MG.2, GDP.3 No protein-ligand interaction detected (PLIP)

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 4 residues within 4Å: Chain A: S.16, T.150 Ligands: ALF.1, GDP.3 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.16, A:T.150, H2O.1, H2O.1

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

GDP.3: 20 residues within 4Å: Chain A: E.12, S.13, G.14, K.15, S.16, T.17, S.120, L.144, R.145, T.146, R.147, N.238, K.239, D.241, L.242, C.294, A.295, T.296 Ligands: ALF.1, MG.2 24 PLIP interactions: 24 interactions with chain A Hydrogen bonds: A:E.12, A:S.13, A:G.14, A:K.15, A:S.16, A:T.17, A:T.17, A:S.120, A:T.146, A:T.150, A:N.238, A:K.239, A:K.239, A:A.295, A:T.296, A:T.296 Water bridges: A:R.147, A:R.147, A:G.172 Salt bridges: A:K.15, A:R.147, A:R.147, A:D.241 pi-Cation interactions: A:K.239

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Soundararajan, M. et al., Structural diversity in the RGS domain and its interaction with heterotrimeric G protein alpha-subunits. Proc.Natl.Acad.Sci.Usa (2008)

Release Date

2006-05-23

Peptides

Guanine nucleotide-binding protein G(i), alpha-1 subunit: A
Regulator of G-protein signaling 1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
C

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

Regulator of G-protein signaling 1

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