SMTL ID : 1fqk.1 (1 other biounit)

CRYSTAL STRUCTURE OF THE HETERODIMERIC COMPLEX OF THE RGS DOMAIN OF RGS9, AND THE GT/I1 CHIMERA ALPHA SUBUNIT [(RGS9)-(GT/I1ALPHA)-(GDP)-(ALF4-)-(MG2+)]

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

hetero-1-1-mer

Ligands

1 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 4 residues within 4Å: Chain A: S.18, T.152 Ligands: ALF.2, GDP.3 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.18, A:T.152, H2O.1, H2O.1

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.2: 14 residues within 4Å: Chain A: A.12, G.13, E.14, K.17, R.149, V.150, K.151, T.152, V.172, G.173, G.174, Q.175 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.13, E.14, S.15, G.16, K.17, S.18, T.19, D.121, S.122, L.146, R.147, S.148, R.149, N.240, K.241, D.243, L.244, C.296, A.297, T.298 Ligands: MG.1, ALF.2 28 PLIP interactions: 28 interactions with chain A Hydrogen bonds: A:A.12, A:E.14, A:S.15, A:G.16, A:K.17, A:S.18, A:T.19, A:T.19, A:S.122, A:S.148, A:N.240, A:K.241, A:A.297, A:T.298, A:T.298 Water bridges: A:S.18, A:D.121, A:D.121, A:S.122, A:R.147, A:V.150, A:T.152, A:T.152 Salt bridges: A:K.17, A:R.149, A:R.149, A:D.243 pi-Cation interactions: A:K.241

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Slep, K.C. et al., Structural determinants for regulation of phosphodiesterase by a G protein at 2.0 A. Nature (2001)

Release Date

2001-02-28

Peptides

Guanine nucleotide-binding protein G(t) subunit alpha-1,Guanine nucleotide-binding protein G(i) subunit alpha-1,Guanine nucleotide-binding protein G(t) subunit alpha-1: A
Regulator of G-protein signaling 9: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

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

Regulator of G-protein signaling 9

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