Calcium in PDB 7tam: Hras G12V in Complex with Gdp

All present enzymatic activity of Hras G12V in Complex with Gdp:
3.6.5.2;

The structure of Hras G12V in Complex with Gdp, PDB code: 7tam was solved by I.Kouidmi, M.Maddalena, S.Laplante, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.19 / 1.87
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	92.35, 92.35, 120.58, 90, 90, 120
R / Rfree (%)	17.4 / 20.1

The structure of Hras G12V in Complex with Gdp also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Calcium atom in the Hras G12V in Complex with Gdp (pdb code 7tam). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Hras G12V in Complex with Gdp, PDB code: 7tam:

Calcium binding site 1 out of 1 in the Hras G12V in Complex with Gdp


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Hras G12V in Complex with Gdp within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca204 b:45.2 occ:0.33 O A:HOH343 2.7 28.9 1.0 O A:HOH340 2.8 31.4 1.0 O A:THR124 4.4 21.9 1.0 O A:HOH303 4.8 38.1 1.0

I.Kouidmi, M.Maddalena, S.Laplante. Structure of Hras G12V in Complex with Gdp To Be Published.