Magnesium in PDB 1gfi: Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis

The structure of Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis, PDB code: 1gfi was solved by D.E.Coleman, A.M.Berghuis, S.R.Sprang, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 2.20
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	80.500, 80.500, 106.550, 90.00, 90.00, 120.00
R / Rfree (%)	21.4 / 28.4

The structure of Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis also contains other interesting chemical elements:

Fluorine	(F)	4 atoms
Aluminium	(Al)	1 atom

The binding sites of Magnesium atom in the Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis (pdb code 1gfi). 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 Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis, PDB code: 1gfi:

Magnesium binding site 1 out of 1 in the Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg356 b:14.8 occ:1.00 OG1 A:THR181 1.9 20.4 1.0 OG A:SER47 2.0 12.6 1.0 O A:HOH410 2.1 8.7 1.0 F3 A:ALF357 2.1 18.4 1.0 O2B A:GDP355 2.2 13.1 1.0 O A:HOH412 2.3 10.2 1.0 CB A:THR181 2.9 20.7 1.0 CB A:SER47 3.2 9.7 1.0 PB A:GDP355 3.3 9.1 1.0 AL A:ALF357 3.6 14.9 1.0 O3B A:GDP355 3.6 16.8 1.0 F2 A:ALF357 3.6 23.0 1.0 CG2 A:THR181 3.9 22.4 1.0 N A:THR181 4.0 23.0 1.0 CA A:THR181 4.0 21.6 1.0 N A:SER47 4.0 14.5 1.0 OD2 A:ASP200 4.1 22.2 1.0 CA A:SER47 4.2 11.4 1.0 O3A A:GDP355 4.3 9.6 1.0 O2A A:GDP355 4.3 9.1 1.0 O1B A:GDP355 4.3 11.2 1.0 O A:VAL201 4.4 24.3 1.0 OD1 A:ASP200 4.5 22.7 1.0 O A:HOH414 4.5 18.6 1.0 F4 A:ALF357 4.5 23.3 1.0 O A:VAL179 4.6 10.6 1.0 O A:HOH401 4.6 18.5 1.0 PA A:GDP355 4.7 8.9 1.0 CG A:ASP200 4.7 17.9 1.0 NH1 A:ARG178 4.8 11.2 1.0 CE A:LYS46 4.9 10.5 1.0 O1A A:GDP355 4.9 9.3 1.0 CB A:LYS46 5.0 13.2 1.0

D.E.Coleman, A.M.Berghuis, E.Lee, M.E.Linder, A.G.Gilman, S.R.Sprang. Structures of Active Conformations of Gi Alpha 1 and the Mechanism of Gtp Hydrolysis. Science V. 265 1405 1994.
ISSN: ISSN 0036-8075
PubMed: 8073283