Magnesium in PDB 1zw6: Crystal Structure of the Gtp-Bound Form of RASQ61G

The structure of Crystal Structure of the Gtp-Bound Form of RASQ61G, PDB code: 1zw6 was solved by B.Ford, V.Hornak, H.Kleinman, N.Nassar, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.79 / 1.50
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	88.776, 88.776, 134.392, 90.00, 90.00, 120.00
R / Rfree (%)	14.4 / 17.4

The structure of Crystal Structure of the Gtp-Bound Form of RASQ61G also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

The binding sites of Magnesium atom in the Crystal Structure of the Gtp-Bound Form of RASQ61G (pdb code 1zw6). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 3 binding sites of Magnesium where determined in the Crystal Structure of the Gtp-Bound Form of RASQ61G, PDB code: 1zw6:
Jump to Magnesium binding site number: 1; 2; 3;

Magnesium binding site 1 out of 3 in the Crystal Structure of the Gtp-Bound Form of RASQ61G


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 Gtp-Bound Form of RASQ61G within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg269 b:13.1 occ:1.00 O2G A:GNP268 2.0 15.2 1.0 O2B A:GNP268 2.0 12.1 1.0 OG A:SER17 2.1 12.9 1.0 O A:HOH272 2.1 12.9 1.0 OG1 A:THR35 2.1 14.3 1.0 O A:HOH434 2.1 15.3 1.0 CB A:THR35 3.1 16.5 1.0 CB A:SER17 3.1 11.7 1.0 PG A:GNP268 3.2 17.0 1.0 PB A:GNP268 3.3 13.0 1.0 N3B A:GNP268 3.4 11.8 1.0 N A:SER17 3.9 12.0 1.0 N A:THR35 3.9 16.6 1.0 OD2 A:ASP57 4.0 15.5 1.0 O3G A:GNP268 4.1 18.1 1.0 CA A:SER17 4.1 12.2 1.0 CG2 A:THR35 4.1 16.8 1.0 CA A:THR35 4.1 16.6 1.0 OD1 A:ASP57 4.1 14.5 1.0 O2A A:GNP268 4.2 14.2 1.0 O A:HOH280 4.2 17.5 1.0 O3A A:GNP268 4.2 12.5 1.0 O1B A:GNP268 4.3 12.1 1.0 O1G A:GNP268 4.4 18.5 1.0 O A:ASP33 4.4 15.6 1.0 CG A:ASP57 4.5 14.8 1.0 PA A:GNP268 4.5 12.8 1.0 O A:THR58 4.5 15.7 1.0 O1A A:GNP268 4.6 13.2 1.0 C A:PRO34 4.8 18.0 1.0 CB A:LYS16 4.9 11.3 1.0 C A:LYS16 5.0 11.6 1.0 CE A:LYS16 5.0 13.0 1.0

Magnesium binding site 2 out of 3 in the Crystal Structure of the Gtp-Bound Form of RASQ61G


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 Gtp-Bound Form of RASQ61G within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg203 b:23.6 occ:1.00 O A:HOH431 1.7 21.9 0.5 O A:HOH366 1.9 20.6 0.5 O A:HOH435 2.2 38.1 1.0 OE1 A:GLN165 2.3 24.8 1.0 O A:HOH360 2.6 17.9 0.5 O A:HOH419 2.7 40.6 1.0 CD A:GLN165 3.3 22.1 1.0 NE2 A:GLN165 3.9 23.4 1.0 CG A:GLN165 4.5 19.4 1.0 CB A:GLN165 4.7 19.2 1.0 OE2 A:GLU162 4.7 18.1 1.0 OE1 A:GLU162 4.8 19.8 1.0

Magnesium binding site 3 out of 3 in the Crystal Structure of the Gtp-Bound Form of RASQ61G


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 3 of Crystal Structure of the Gtp-Bound Form of RASQ61G within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg204 b:17.3 occ:0.33 O A:HOH308 2.1 23.2 1.0 O A:HOH279 2.2 19.3 1.0 NE2 A:GLN129 4.0 22.0 0.7 O A:THR124 4.1 14.3 1.0 NE2 A:GLN129 4.2 19.3 0.3 O A:HOH284 4.3 18.9 1.0 OE1 A:GLN129 4.4 16.3 0.7 CD A:GLN129 4.6 18.6 0.7 CD A:GLN129 4.9 18.4 0.3

B.Ford, V.Hornak, H.Kleinman, N.Nassar. Structure of A Transient Intermediate For Gtp Hydrolysis By Ras. Structure V. 14 427 2006.
ISSN: ISSN 0969-2126
PubMed: 16531227
DOI: 10.1016/J.STR.2005.12.010