SMTL ID : 4ekd.1

Structure of human regulator of G protein signaling 2 (RGS2) in complex with murine Galpha-q(R183C)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.71 Å

Oligo State

hetero-1-1-mer

Ligands

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

GDP.1: 21 residues within 4Å: Chain A: T.35, E.37, S.38, G.39, K.40, S.41, T.42, S.144, L.168, R.169, V.170, C.171, N.262, K.263, D.265, L.266, C.318, A.319, T.320 Ligands: ALF.2, MG.7 22 PLIP interactions: 22 interactions with chain A Hydrogen bonds: A:E.37, A:S.38, A:G.39, A:K.40, A:S.41, A:S.41, A:T.42, A:T.42, A:S.144, A:V.170, A:N.262, A:K.263, A:K.263, A:A.319, A:T.320, A:T.320 Water bridges: A:T.174, A:T.174 Salt bridges: A:K.40, A:K.45, A:D.265 pi-Cation interactions: A:K.263

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.2: 12 residues within 4Å: Chain A: T.35, G.36, E.37, K.40, S.41, P.173, T.174, G.195, G.196, Q.197 Ligands: GDP.1, MG.7 No protein-ligand interaction detected (PLIP)

2 x CO: COBALT (II) ION(Non-covalent)

CO.3: 4 residues within 4Å: Chain A: H.93, H.97 Ligands: CL.4, CL.5 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:H.93, A:H.97 CO.6: 2 residues within 4Å: Chain A: D.307, D.309 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.307, A:D.309

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 3 residues within 4Å: Chain A: H.97 Ligands: CO.3, CL.5 Ligand excluded by PLIP CL.5: 4 residues within 4Å: Chain A: H.93, H.97 Ligands: CO.3, CL.4 Ligand excluded by PLIP

1 x MG: MAGNESIUM ION(Non-covalent)

MG.7: 4 residues within 4Å: Chain A: S.41, T.174 Ligands: GDP.1, ALF.2 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:S.41, A:T.174, H2O.1, H2O.1

1 x MES: 2-(N-MORPHOLINO)-ETHANESULFONIC ACID(Non-covalent)

MES.8: 9 residues within 4Å: Chain A: E.107, K.108 Chain B: D.19, W.47, E.51, K.54, Q.108, K.109, Y.112 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Salt bridges: A:E.107, A:K.108 Hydrogen bonds: B:D.19

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nance, M.R. et al., Structural and functional analysis of the regulator of G protein signaling 2-g alpha q complex. Structure (2013)

Release Date

2013-01-30

Peptides

Guanine nucleotide-binding protein G(q) 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(q) subunit alpha

Regulator of G-protein signaling 2

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