Magnesium in PDB 1cip: Gi-Alpha-1 Subunit of Guanine Nucleotide-Binding Protein Complexed with A Gtp Analogue

The structure of Gi-Alpha-1 Subunit of Guanine Nucleotide-Binding Protein Complexed with A Gtp Analogue, PDB code: 1cip was solved by D.Coleman, S.Sprang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 1.50
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	80.050, 80.050, 105.550, 90.00, 90.00, 120.00
R / Rfree (%)	21.3 / 23.5

The binding sites of Magnesium atom in the Gi-Alpha-1 Subunit of Guanine Nucleotide-Binding Protein Complexed with A Gtp Analogue (pdb code 1cip). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Gi-Alpha-1 Subunit of Guanine Nucleotide-Binding Protein Complexed with A Gtp Analogue, PDB code: 1cip:

Magnesium binding site 1 out of 1 in the Gi-Alpha-1 Subunit of Guanine Nucleotide-Binding Protein Complexed with A Gtp Analogue


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Gi-Alpha-1 Subunit of Guanine Nucleotide-Binding Protein Complexed with A Gtp Analogue within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg356 b:11.3 occ:1.00 O2G A:GNP355 2.0 10.7 1.0 OG1 A:THR181 2.1 12.4 1.0 O A:HOH410 2.1 10.5 1.0 OG A:SER47 2.1 11.6 1.0 O A:HOH413 2.1 10.9 1.0 O1B A:GNP355 2.1 8.4 1.0 CB A:THR181 3.1 12.1 1.0 CB A:SER47 3.2 11.6 1.0 PG A:GNP355 3.2 10.9 1.0 PB A:GNP355 3.3 9.7 1.0 N3B A:GNP355 3.5 9.8 1.0 N A:THR181 3.8 13.3 1.0 N A:SER47 3.9 8.6 1.0 O3G A:GNP355 4.0 11.4 1.0 CA A:THR181 4.1 13.9 1.0 CA A:SER47 4.1 9.8 1.0 OD2 A:ASP200 4.2 13.2 1.0 O2A A:GNP355 4.2 14.3 1.0 O A:HOH462 4.2 19.1 1.0 CG2 A:THR181 4.2 11.8 1.0 O2B A:GNP355 4.3 10.0 1.0 O3A A:GNP355 4.4 9.2 1.0 OD1 A:ASP200 4.4 14.9 1.0 O A:VAL179 4.4 15.7 1.0 O1G A:GNP355 4.4 11.3 1.0 O A:VAL201 4.5 13.7 1.0 PA A:GNP355 4.6 11.2 1.0 CG A:ASP200 4.7 13.1 1.0 O A:HOH432 4.7 26.7 1.0 O1A A:GNP355 4.8 10.4 1.0 C A:LYS180 4.8 14.8 1.0 CB A:LYS46 4.8 9.3 1.0 O A:HOH412 4.9 14.2 1.0 CE A:LYS46 4.9 12.1 1.0

D.E.Coleman, S.R.Sprang. Structure of GIALPHA1.Gppnhp, Autoinhibition in A Galpha Protein-Substrate Complex. J.Biol.Chem. V. 274 16669 1999.
ISSN: ISSN 0021-9258
PubMed: 10358003
DOI: 10.1074/JBC.274.24.16669