Magnesium in PDB 3oiw: H-RASG12V with Allosteric Switch in the "on" State

The structure of H-RASG12V with Allosteric Switch in the "on" State, PDB code: 3oiw was solved by S.Kumar, G.Buhrman, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	26.61 / 1.30
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	88.519, 88.519, 134.385, 90.00, 90.00, 120.00
R / Rfree (%)	19.6 / 21

The structure of H-RASG12V with Allosteric Switch in the "on" State also contains other interesting chemical elements:

Calcium

(Ca)

3 atoms

The binding sites of Magnesium atom in the H-RASG12V with Allosteric Switch in the "on" State (pdb code 3oiw). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the H-RASG12V with Allosteric Switch in the "on" State, PDB code: 3oiw:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in the H-RASG12V with Allosteric Switch in the "on" State


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of H-RASG12V with Allosteric Switch in the "on" State within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg169 b:10.8 occ:0.50 O A:HOH182 2.1 12.5 1.0 O A:HOH201 2.1 11.0 1.0 O A:HOH757 3.7 34.5 0.5 O A:THR124 4.0 11.2 1.0 NE2 A:GLN129 4.0 16.8 1.0 O A:HOH401 4.2 12.3 1.0 OE1 A:GLN129 4.3 14.6 1.0 CD A:GLN129 4.6 15.0 1.0

Magnesium binding site 2 out of 2 in the H-RASG12V with Allosteric Switch in the "on" State


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of H-RASG12V with Allosteric Switch in the "on" State within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg170 b:13.4 occ:1.00 O2G A:GNP528 2.0 15.8 1.0 O2B A:GNP528 2.1 13.8 1.0 OG1 A:THR35 2.1 14.6 1.0 O A:HOH173 2.1 13.8 1.0 OG A:SER17 2.1 13.1 1.0 O A:HOH172 2.2 14.8 1.0 CB A:THR35 3.1 14.1 1.0 CB A:SER17 3.2 13.3 1.0 PG A:GNP528 3.2 13.5 1.0 PB A:GNP528 3.2 12.1 1.0 N3B A:GNP528 3.4 13.8 1.0 N A:THR35 3.8 15.9 1.0 N A:SER17 3.9 11.8 1.0 OD2 A:ASP57 4.0 16.4 1.0 CA A:THR35 4.1 15.5 1.0 CA A:SER17 4.1 12.0 1.0 CG2 A:THR35 4.1 17.6 1.0 O A:HOH495 4.1 17.8 1.0 O2A A:GNP528 4.2 13.6 1.0 O3G A:GNP528 4.2 15.6 1.0 O3A A:GNP528 4.2 12.3 1.0 OD1 A:ASP57 4.2 15.7 1.0 O1G A:GNP528 4.3 15.2 1.0 O1B A:GNP528 4.3 12.6 1.0 O A:ASP33 4.4 14.4 1.0 O A:THR58 4.5 15.5 1.0 PA A:GNP528 4.5 13.1 1.0 CG A:ASP57 4.5 15.5 1.0 O1A A:GNP528 4.7 13.2 1.0 C A:PRO34 4.8 16.5 1.0 CB A:LYS16 4.8 11.8 1.0 CE A:LYS16 4.9 14.8 1.0 C A:LYS16 4.9 11.1 1.0

G.Buhrman, V.S.Kumar, M.Cirit, J.M.Haugh, C.Mattos. Allosteric Modulation of Ras-Gtp Is Linked to Signal Transduction Through Raf Kinase. J.Biol.Chem. V. 286 3323 2011.
ISSN: ISSN 0021-9258
PubMed: 21098031
DOI: 10.1074/JBC.M110.193854