SMTL ID : 2ik8.2 (1 other biounit)

Crystal structure of the heterodimeric complex of human RGS16 and activated Gi alpha 1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.71 Å

Oligo State

hetero-1-1-mer

Ligands

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.1: 14 residues within 4Å: Chain A: G.12, E.13, K.16, S.17, R.148, V.149, K.150, T.151, V.171, G.172, G.173, Q.174 Ligands: MG.2, GDP.5 No protein-ligand interaction detected (PLIP)

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain A: S.17, T.151, D.170 Ligands: ALF.1, GDP.5 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.17, A:T.151, H2O.1, H2O.1

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

SO4.3: 1 residues within 4Å: Chain A: E.267 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:E.267 SO4.4: 1 residues within 4Å: Chain A: Q.76 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.76 SO4.6: 4 residues within 4Å: Chain B: K.53, I.54, R.55, S.56 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:R.55, B:S.56

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

GDP.5: 21 residues within 4Å: Chain A: E.13, S.14, G.15, K.16, S.17, T.18, D.120, S.121, L.145, R.146, T.147, R.148, N.239, K.240, D.242, L.243, C.295, A.296, T.297 Ligands: ALF.1, MG.2 22 PLIP interactions: 22 interactions with chain A Hydrogen bonds: A:E.13, A:S.14, A:G.15, A:K.16, A:S.17, A:T.18, A:T.18, A:S.121, A:T.147, A:N.239, A:K.240, A:K.240, A:A.296, A:T.297 Water bridges: A:T.151, A:T.151, A:G.173 Salt bridges: A:K.16, A:R.148, A:R.148, A:D.242 pi-Cation interactions: A:K.240

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

2006-11-21

Peptides

Guanine nucleotide-binding protein G(i), alpha-1 subunit: A
Regulator of G-protein signaling 16: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

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

Regulator of G-protein signaling 16

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