1gg2

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G PROTEIN HETEROTRIMER MUTANT GI_ALPHA_1(G203A) BETA_1 GAMMA_2 WITH GDP BOUNDG PROTEIN HETEROTRIMER MUTANT GI_ALPHA_1(G203A) BETA_1 GAMMA_2 WITH GDP BOUND

Structural highlights

1gg2 is a 3 chain structure with sequence from Bos taurus and Rattus norvegicus. The October 2004 RCSB PDB Molecule of the Month feature on G Proteins by David S. Goodsell is 10.2210/rcsb_pdb/mom_2004_10. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.4Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

GNAI1_RAT Guanine nucleotide-binding proteins (G proteins) are involved as modulators or transducers in various transmembrane signaling systems. The G(i) proteins are involved in hormonal regulation of adenylate cyclase: they inhibit the cyclase in response to beta-adrenergic stimuli. The inactive GDP-bound form prevents the association of RGS14 with centrosomes and is required for the translocation of RGS14 from the cytoplasm to the plasma membrane. May play a role in cell division.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. Shu FJ, Ramineni S, Amyot W, Hepler JR. Selective interactions between Gi alpha1 and Gi alpha3 and the GoLoco/GPR domain of RGS14 influence its dynamic subcellular localization. Cell Signal. 2007 Jan;19(1):163-76. Epub 2006 Jul 25. PMID:16870394 doi:http://dx.doi.org/10.1016/j.cellsig.2006.06.002

1gg2, resolution 2.40Å

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OCA