Calcium in PDB 3k9l: Allosteric Modulation of H-Ras Gtpase

The structure of Allosteric Modulation of H-Ras Gtpase, PDB code: 3k9l was solved by S.Fetics, M.Young, G.Buhrman, C.Mattos, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.32 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	95.113, 60.632, 74.975, 90.00, 90.00, 90.00
R / Rfree (%)	21.9 / 27.1

The structure of Allosteric Modulation of H-Ras Gtpase also contains other interesting chemical elements:

Magnesium

(Mg)

3 atoms

The binding sites of Calcium atom in the Allosteric Modulation of H-Ras Gtpase (pdb code 3k9l). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Allosteric Modulation of H-Ras Gtpase, PDB code: 3k9l:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Allosteric Modulation of H-Ras Gtpase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Allosteric Modulation of H-Ras Gtpase within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca167 b:38.4 occ:1.00 O A:GLU3 2.5 28.0 1.0 O A:HOH414 2.7 28.4 1.0 OE2 A:GLU76 2.7 44.7 1.0 OE1 A:GLU76 2.8 31.2 1.0 O A:HOH425 2.8 36.3 1.0 CD A:GLU76 3.0 38.0 1.0 C A:GLU3 3.8 28.1 1.0 CG A:GLU76 4.4 33.1 1.0 N A:GLU3 4.5 29.2 1.0 CA A:GLU3 4.6 28.2 1.0 CA A:TYR4 4.6 22.4 1.0 N A:TYR4 4.7 23.2 1.0 CB A:GLU3 5.0 32.9 1.0 CG2 A:THR2 5.0 36.6 1.0

Calcium binding site 2 out of 2 in the Allosteric Modulation of H-Ras Gtpase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Allosteric Modulation of H-Ras Gtpase within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca167 b:31.2 occ:1.00 O B:HOH328 2.6 31.1 1.0 O B:HOH453 2.6 23.1 1.0 OE1 B:GLU3 2.6 29.9 1.0 O B:HOH439 2.8 37.0 1.0 OE2 B:GLU3 2.8 32.2 1.0 CD B:GLU3 3.0 29.6 1.0 NH2 B:ARG41 4.4 30.0 1.0 O B:HOH436 4.5 35.0 1.0 CG B:GLU3 4.5 26.8 1.0 NZ B:LYS5 4.7 33.6 1.0 NH1 B:ARG41 4.9 29.9 1.0

S.Fetics, M.Young, G.Buhrman, C.Mattos. Allosteric Modulation of H-Ras Gtpase To Be Published.