Magnesium in PDB 1q21: Crystal Structures at 2.2 Angstroms Resolution of the Catalytic Domains of Normal Ras Protein and An Oncogenic Mutant Complexed with Gsp

The structure of Crystal Structures at 2.2 Angstroms Resolution of the Catalytic Domains of Normal Ras Protein and An Oncogenic Mutant Complexed with Gsp, PDB code: 1q21 was solved by S.-H.Kim, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	6.00 / 2.20
Space group	P 65 2 2
Cell size a, b, c (Å), α, β, γ (°)	83.200, 83.200, 105.100, 90.00, 90.00, 120.00
R / Rfree (%)	18.8 / n/a

The binding sites of Magnesium atom in the Crystal Structures at 2.2 Angstroms Resolution of the Catalytic Domains of Normal Ras Protein and An Oncogenic Mutant Complexed with Gsp (pdb code 1q21). 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 Crystal Structures at 2.2 Angstroms Resolution of the Catalytic Domains of Normal Ras Protein and An Oncogenic Mutant Complexed with Gsp, PDB code: 1q21:

Magnesium binding site 1 out of 1 in the Crystal Structures at 2.2 Angstroms Resolution of the Catalytic Domains of Normal Ras Protein and An Oncogenic Mutant Complexed with Gsp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Crystal Structures at 2.2 Angstroms Resolution of the Catalytic Domains of Normal Ras Protein and An Oncogenic Mutant Complexed with Gsp within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg173 b:8.9 occ:1.00 O3B A:GDP180 2.1 24.2 1.0 O A:HOH201 2.2 15.5 1.0 O A:HOH202 2.3 21.5 1.0 O A:HOH203 2.4 37.9 1.0 OG A:SER17 2.4 15.6 1.0 O A:HOH204 2.4 49.1 1.0 PB A:GDP180 3.5 25.8 1.0 CB A:SER17 3.5 16.2 1.0 O2B A:GDP180 3.6 24.7 1.0 N A:SER17 4.0 16.9 1.0 CD2 A:TYR32 4.1 29.8 1.0 O1A A:GDP180 4.3 31.5 1.0 O3A A:GDP180 4.3 23.2 1.0 CA A:SER17 4.3 17.4 1.0 OD1 A:ASP57 4.4 30.1 1.0 CE2 A:TYR32 4.5 34.4 1.0 CA A:PRO34 4.5 28.3 1.0 O A:ASP33 4.5 30.4 1.0 O1B A:GDP180 4.5 21.8 1.0 O A:PRO34 4.6 28.5 1.0 PA A:GDP180 4.6 30.4 1.0 OD2 A:ASP57 4.6 27.9 1.0 O2A A:GDP180 4.6 29.5 1.0 CB A:ALA59 4.7 28.9 1.0 O A:ILE36 4.7 31.6 1.0 O A:THR58 4.7 25.9 1.0 C A:PRO34 4.8 26.4 1.0 NZ A:LYS16 4.8 17.1 1.0 CG A:ASP57 4.9 26.3 1.0 CE A:LYS16 4.9 14.2 1.0 CB A:LYS16 5.0 13.6 1.0

L.A.Tong, A.M.De Vos, M.V.Milburn, S.H.Kim. Crystal Structures at 2.2 A Resolution of the Catalytic Domains of Normal Ras Protein and An Oncogenic Mutant Complexed with Gdp. J.Mol.Biol. V. 217 503 1991.
ISSN: ISSN 0022-2836
PubMed: 1899707
DOI: 10.1016/0022-2836(91)90753-S