Magnesium in PDB 1xtr: Structure of Small Gtpase Human Rheb in Complex with Gppnhp

The structure of Structure of Small Gtpase Human Rheb in Complex with Gppnhp, PDB code: 1xtr was solved by Y.Yu, J.Ding, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	12.00 / 2.65
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	102.930, 99.160, 47.980, 90.00, 90.00, 90.00
R / Rfree (%)	22.6 / 27

The binding sites of Magnesium atom in the Structure of Small Gtpase Human Rheb in Complex with Gppnhp (pdb code 1xtr). 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 Structure of Small Gtpase Human Rheb in Complex with Gppnhp, PDB code: 1xtr:

Magnesium binding site 1 out of 1 in the Structure of Small Gtpase Human Rheb in Complex with Gppnhp


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Structure of Small Gtpase Human Rheb in Complex with Gppnhp within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg178 b:30.9 occ:1.00 O A:HOH181 2.2 26.0 1.0 OG A:SER20 2.3 17.0 1.0 O2G A:GNP179 2.4 36.0 1.0 O A:HOH182 2.5 27.9 1.0 O2B A:GNP179 2.6 28.2 1.0 OG1 A:THR38 2.6 38.2 1.0 CB A:THR38 2.8 39.9 1.0 OD2 A:ASP60 3.6 25.5 1.0 PG A:GNP179 3.6 33.7 1.0 CB A:SER20 3.6 16.7 1.0 PB A:GNP179 3.7 30.2 1.0 CG2 A:THR38 3.7 40.4 1.0 OD1 A:ASP60 3.8 25.6 1.0 N3B A:GNP179 3.9 32.3 1.0 CG A:ASP60 4.0 25.2 1.0 O A:THR61 4.0 27.4 1.0 CA A:THR38 4.0 40.3 1.0 N A:THR38 4.1 44.3 1.0 O3G A:GNP179 4.1 34.6 1.0 N A:SER20 4.2 20.1 1.0 CA A:SER20 4.4 19.7 1.0 O1B A:GNP179 4.5 29.5 1.0 O A:HOH188 4.5 22.1 1.0 O A:ASP36 4.7 56.0 1.0 CB A:LYS19 4.7 13.7 1.0 CE A:LYS19 4.7 13.6 1.0 O1G A:GNP179 4.8 35.1 1.0 O3A A:GNP179 4.8 31.3 1.0 O2A A:GNP179 4.9 33.9 1.0

Y.Yu, S.Li, X.Xu, Y.Li, K.Guan, E.Arnold, J.Ding. Structural Basis For the Unique Biological Function of Small Gtpase Rheb J.Biol.Chem. V. 280 17093 2005.
ISSN: ISSN 0021-9258
PubMed: 15728574
DOI: 10.1074/JBC.M501253200