Magnesium in PDB 2gtp: Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1

The structure of Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1, PDB code: 2gtp was solved by M.Soundararajan, A.P.Turnbull, E.Ugochukwu, F.Gorrec, F.Von Delft, J.Weigelt, A.Edwards, C.Arrowsmith, M.Sundstrom, D.A.Doyle, Structuralgenomics Consortium (Sgc), with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	46.70 / 2.55
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	90.451, 102.904, 128.761, 90.00, 90.00, 90.00
R / Rfree (%)	22.6 / 27.6

The structure of Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1 also contains other interesting chemical elements:

Fluorine	(F)	8 atoms
Aluminium	(Al)	2 atoms

The binding sites of Magnesium atom in the Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1 (pdb code 2gtp). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1, PDB code: 2gtp:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg401 b:33.5 occ:1.00 O1B A:GDP402 1.8 32.0 1.0 O A:HOH404 2.0 34.6 1.0 OG A:SER47 2.0 32.7 1.0 F1 A:ALF355 2.1 33.9 1.0 O A:HOH403 2.2 32.6 1.0 OG1 A:THR181 2.2 29.1 1.0 PB A:GDP402 3.0 36.1 1.0 CB A:SER47 3.2 32.8 1.0 CB A:THR181 3.2 28.9 1.0 O2B A:GDP402 3.3 35.7 1.0 F3 A:ALF355 3.4 39.4 1.0 AL A:ALF355 3.6 34.0 1.0 N A:SER47 3.7 33.0 1.0 O1A A:GDP402 3.8 37.3 1.0 CA A:SER47 4.0 33.0 1.0 O3B A:GDP402 4.0 33.1 1.0 N A:THR181 4.1 28.7 1.0 O3A A:GDP402 4.2 37.5 1.0 CG2 A:THR181 4.2 27.1 1.0 F4 A:ALF355 4.2 32.0 1.0 CA A:THR181 4.3 28.6 1.0 PA A:GDP402 4.4 38.2 1.0 O A:VAL201 4.4 29.9 1.0 O A:VAL179 4.4 29.5 1.0 O A:HOH405 4.4 25.3 1.0 OD1 A:ASP200 4.5 35.3 1.0 O2A A:GDP402 4.6 36.5 1.0 OD2 A:ASP200 4.6 36.2 1.0 NH1 A:ARG178 4.7 26.2 1.0 CE A:LYS46 4.7 34.5 1.0 CB A:LYS46 4.8 34.8 1.0 C A:LYS46 4.8 33.6 1.0 CG A:ASP200 5.0 33.4 1.0

Magnesium binding site 2 out of 2 in the Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of Crystal Structure of the Heterodimeric Complex of Human RGS1 and Activated Gi Alpha 1 within 5.0Å range: probe atom residue distance (Å) B Occ B:Mg402 b:28.4 occ:1.00 O1B B:GDP403 1.7 34.2 1.0 F3 B:ALF355 2.1 38.6 1.0 O B:HOH404 2.1 40.4 1.0 O B:HOH405 2.1 25.8 1.0 OG1 B:THR181 2.3 29.4 1.0 OG B:SER47 2.5 30.9 1.0 PB B:GDP403 2.8 34.4 1.0 O2B B:GDP403 2.9 31.9 1.0 CB B:SER47 3.1 32.6 1.0 F2 B:ALF355 3.3 37.3 1.0 AL B:ALF355 3.3 39.8 1.0 CB B:THR181 3.5 28.7 1.0 N B:SER47 3.6 33.0 1.0 O3B B:GDP403 3.8 32.5 1.0 O1A B:GDP403 3.9 35.2 1.0 CA B:SER47 3.9 32.7 1.0 O3A B:GDP403 3.9 36.5 1.0 F1 B:ALF355 4.2 36.1 1.0 PA B:GDP403 4.3 35.6 1.0 N B:THR181 4.3 28.7 1.0 O2A B:GDP403 4.3 32.6 1.0 OD1 B:ASP200 4.4 36.0 1.0 NH1 B:ARG178 4.4 28.8 1.0 OD2 B:ASP200 4.4 34.7 1.0 CG2 B:THR181 4.5 28.9 1.0 O B:VAL201 4.5 30.1 1.0 O B:VAL179 4.5 29.1 1.0 CB B:LYS46 4.5 34.3 1.0 CA B:THR181 4.5 28.5 1.0 C B:LYS46 4.7 33.7 1.0 CE B:LYS46 4.7 35.2 1.0 F4 B:ALF355 4.8 37.4 1.0 O B:HOH406 4.9 38.3 1.0 CG B:ASP200 4.9 33.0 1.0 N B:LYS46 5.0 34.4 1.0 CA B:LYS46 5.0 34.2 1.0

M.Soundararajan, F.S.Willard, A.J.Kimple, A.P.Turnbull, L.J.Ball, G.A.Schoch, C.Gileadi, O.Y.Fedorov, E.F.Dowler, V.A.Higman, S.Q.Hutsell, M.Sundstrom, D.A.Doyle, D.P.Siderovski. Structural Diversity in the Rgs Domain and Its Interaction with Heterotrimeric G Protein Alpha-Subunits. Proc.Natl.Acad.Sci.Usa V. 105 6457 2008.
ISSN: ISSN 0027-8424
PubMed: 18434541
DOI: 10.1073/PNAS.0801508105