SMTL ID : 2zjy.1

Structure of the K349P mutant of Gi alpha 1 subunit bound to ALF4 and GDP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

monomer

Ligands

1 x ALF: TETRAFLUOROALUMINATE ION(Non-covalent)

ALF.1: 13 residues within 4Å: Chain A: A.43, G.44, E.45, K.48, R.180, K.182, T.183, V.203, G.204, G.205, Q.206 Ligands: MG.2, GDP.3 No protein-ligand interaction detected (PLIP)

1 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 6 residues within 4Å: Chain A: S.49, T.183, D.202, V.203 Ligands: ALF.1, GDP.3 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:S.49, A:T.183, H2O.4

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

GDP.3: 22 residues within 4Å: Chain A: A.43, E.45, S.46, G.47, K.48, S.49, T.50, D.152, S.153, L.177, R.178, T.179, R.180, N.271, K.272, D.274, L.275, C.327, A.328, T.329 Ligands: ALF.1, MG.2 24 PLIP interactions: 24 interactions with chain A Hydrogen bonds: A:E.45, A:S.46, A:G.47, A:K.48, A:S.49, A:T.50, A:T.50, A:D.152, A:S.153, A:T.179, A:N.271, A:K.272, A:K.272, A:A.328, A:T.329 Water bridges: A:S.49, A:S.49, A:K.53, A:D.152 Salt bridges: A:K.48, A:R.180, A:R.180, A:D.274 pi-Cation interactions: A:K.272

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Morikawa, T. et al., How GPCRs activate G proteins: Structural changes form C-terminal tail to GDP binding pocket. To be Published

Release Date

2009-03-24

Peptides

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

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

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

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