Magnesium in PDB 4q21: Molecular Switch For Signal Transduction: Structural Differences Between Active and Inactive Forms of Protooncogenic Ras Proteins

The structure of Molecular Switch For Signal Transduction: Structural Differences Between Active and Inactive Forms of Protooncogenic Ras Proteins, PDB code: 4q21 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 / 2.00
Space group	I 4
Cell size a, b, c (Å), α, β, γ (°)	96.300, 96.300, 41.370, 90.00, 90.00, 90.00
R / Rfree (%)	19.5 / n/a

The binding sites of Magnesium atom in the Molecular Switch For Signal Transduction: Structural Differences Between Active and Inactive Forms of Protooncogenic Ras Proteins (pdb code 4q21). 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 Molecular Switch For Signal Transduction: Structural Differences Between Active and Inactive Forms of Protooncogenic Ras Proteins, PDB code: 4q21:

Magnesium binding site 1 out of 1 in the Molecular Switch For Signal Transduction: Structural Differences Between Active and Inactive Forms of Protooncogenic Ras Proteins


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Molecular Switch For Signal Transduction: Structural Differences Between Active and Inactive Forms of Protooncogenic Ras Proteins within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg273 b:20.8 occ:1.00 O A:HOH405 1.9 25.7 1.0 O A:HOH403 1.9 18.9 1.0 O3B A:GDP274 2.0 29.9 1.0 O A:HOH401 2.1 21.6 1.0 O A:HOH404 2.1 10.8 1.0 OG A:SER17 2.3 20.8 1.0 PB A:GDP274 3.2 31.1 1.0 O2B A:GDP274 3.2 24.1 1.0 CB A:SER17 3.5 23.0 1.0 O A:ASP33 3.9 30.9 1.0 O1A A:GDP274 4.0 38.1 1.0 O1B A:GDP274 4.1 30.7 1.0 O3A A:GDP274 4.1 29.4 1.0 N A:SER17 4.1 24.6 1.0 CA A:PRO34 4.2 34.2 1.0 O A:PRO34 4.2 39.0 1.0 CD2 A:TYR32 4.3 29.6 1.0 OD2 A:ASP57 4.3 20.6 1.0 C A:PRO34 4.4 36.4 1.0 CA A:SER17 4.4 23.8 1.0 OD1 A:ASP57 4.4 18.2 1.0 PA A:GDP274 4.4 32.9 1.0 O A:THR58 4.6 25.5 1.0 CE2 A:TYR32 4.6 27.9 1.0 O A:HOH402 4.7 15.3 1.0 O2A A:GDP274 4.7 39.7 1.0 C A:ASP33 4.7 31.9 1.0 CB A:ALA59 4.8 44.9 1.0 CG A:ASP57 4.8 19.1 1.0 N A:PRO34 4.8 33.2 1.0 NZ A:LYS16 4.8 13.2 1.0 O A:TYR32 4.9 33.6 1.0 CB A:LYS16 4.9 11.7 1.0 O A:ILE36 5.0 35.1 1.0

M.V.Milburn, L.Tong, A.M.Devos, A.Brunger, Z.Yamaizumi, S.Nishimura, S.H.Kim. Molecular Switch For Signal Transduction: Structural Differences Between Active and Inactive Forms of Protooncogenic Ras Proteins. Science V. 247 939 1990.
ISSN: ISSN 0036-8075
PubMed: 2406906