Calcium in PDB 4xvr: H-Ras Y137F

All present enzymatic activity of H-Ras Y137F:
3.6.5.2;

The structure of H-Ras Y137F, PDB code: 4xvr was solved by C.W.Johnson, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	33.98 / 2.03
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	39.234, 39.234, 157.204, 90.00, 90.00, 120.00
R / Rfree (%)	22.2 / 28.6

The structure of H-Ras Y137F also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Calcium atom in the H-Ras Y137F (pdb code 4xvr). 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 H-Ras Y137F, PDB code: 4xvr:

Calcium binding site 1 out of 1 in the H-Ras Y137F


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of H-Ras Y137F within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca203 b:61.1 occ:1.00 O A:HOH316 2.4 52.5 1.0 O A:ARG102 2.6 47.9 1.0 OD1 A:ASP105 2.7 50.5 1.0 CG A:ASP105 3.6 50.4 1.0 C A:ARG102 3.7 47.5 1.0 OD2 A:ASP105 3.9 56.4 1.0 CA A:ARG102 4.5 47.9 1.0 N A:VAL103 4.7 40.9 1.0 CA A:VAL103 4.8 49.0 1.0 CB A:ASP105 4.9 48.8 1.0 CB A:ARG102 5.0 42.9 1.0

P.Y.Ting, C.W.Johnson, C.Fang, X.Cao, T.G.Graeber, C.Mattos, J.Colicelli. Tyrosine Phosphorylation of Ras By Abl Allosterically Enhances Effector Binding. Faseb J. V. 29 3750 2015.
ISSN: ESSN 1530-6860
PubMed: 25999467
DOI: 10.1096/FJ.15-271510