Calcium in PDB 2rgb: Crystal Structure of H-RASQ61K-Gppnhp

The structure of Crystal Structure of H-RASQ61K-Gppnhp, PDB code: 2rgb was solved by G.Buhrman, G.Wink, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	28.37 / 1.35
Space group	H 3 2
Cell size a, b, c (Å), α, β, γ (°)	88.695, 88.695, 133.529, 90.00, 90.00, 120.00
R / Rfree (%)	20 / 21.8

The structure of Crystal Structure of H-RASQ61K-Gppnhp also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Calcium atom in the Crystal Structure of H-RASQ61K-Gppnhp (pdb code 2rgb). 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 Crystal Structure of H-RASQ61K-Gppnhp, PDB code: 2rgb:

Calcium binding site 1 out of 1 in the Crystal Structure of H-RASQ61K-Gppnhp


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of H-RASQ61K-Gppnhp within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca601 b:13.2 occ:1.00 OE2 A:GLU31 2.4 13.8 1.0 O A:HOH619 2.4 17.8 1.0 O A:HOH645 2.4 21.8 1.0 OD2 A:ASP33 2.5 19.5 1.0 OD1 A:ASP33 2.5 18.0 1.0 CG A:ASP33 2.8 16.2 1.0 CD A:GLU31 3.5 13.6 1.0 CG A:GLU31 4.1 12.6 1.0 CB A:ASP33 4.3 13.7 1.0 O A:HOH665 4.4 35.6 1.0 OE1 A:GLU31 4.6 14.8 1.0 O A:HOH662 4.6 28.1 1.0 O A:HOH705 4.6 29.3 1.0 O A:HOH634 4.7 21.6 1.0 CB A:GLU31 4.8 12.7 1.0 O A:HOH704 4.8 31.6 1.0

G.Buhrman, G.Wink, C.Mattos. Transformation Efficiency of RASQ61 Mutants Linked to Structural Features of the Switch Regions in the Presence of Raf. Structure V. 15 1618 2007.
ISSN: ISSN 0969-2126
PubMed: 18073111
DOI: 10.1016/J.STR.2007.10.011