Calcium in PDB 2xrm: Processed Intracellular Subtilisin From B. Clausii

All present enzymatic activity of Processed Intracellular Subtilisin From B. Clausii:
3.4.21.62;

The structure of Processed Intracellular Subtilisin From B. Clausii, PDB code: 2xrm was solved by M.Gamble, G.Kunze, E.J.Dodson, D.D.Jones, K.S.Wilson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	66.49 / 2.60
Space group	I 2 3
Cell size a, b, c (Å), α, β, γ (°)	132.982, 132.982, 132.982, 90.00, 90.00, 90.00
R / Rfree (%)	19.8 / 28.1

The structure of Processed Intracellular Subtilisin From B. Clausii also contains other interesting chemical elements:

Sodium	(Na)	1 atom
Strontium	(Sr)	1 atom

The binding sites of Calcium atom in the Processed Intracellular Subtilisin From B. Clausii (pdb code 2xrm). 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 Processed Intracellular Subtilisin From B. Clausii, PDB code: 2xrm:

Calcium binding site 1 out of 1 in the Processed Intracellular Subtilisin From B. Clausii


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Processed Intracellular Subtilisin From B. Clausii within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca405 b:46.0 occ:1.00 O A:HOH2011 2.3 56.7 1.0 O A:ARG188 2.3 61.0 1.0 O A:THR191 2.3 59.4 1.0 OE2 A:GLU193 2.3 61.9 1.0 OE1 A:GLU193 2.3 56.2 1.0 CD A:GLU193 2.6 67.1 1.0 OG1 A:THR221 2.7 75.2 1.0 CB A:THR191 3.1 80.3 1.0 OD2 A:ASP186 3.1 86.8 1.0 C A:THR191 3.2 75.7 1.0 C A:ARG188 3.5 85.3 1.0 OG1 A:THR191 3.6 81.2 1.0 CA A:THR191 3.6 78.0 1.0 N A:THR191 3.8 80.8 1.0 CG A:ASP186 3.8 78.2 1.0 CB A:THR221 3.8 66.8 1.0 OD1 A:ASP186 3.8 74.7 1.0 CG2 A:THR221 3.9 58.3 1.0 CG A:GLU193 4.1 66.7 1.0 CG2 A:THR191 4.1 85.7 1.0 N A:ASN192 4.3 73.2 1.0 CA A:ARG188 4.4 86.6 1.0 N A:ASP186 4.4 89.1 1.0 C A:GLU189 4.4 88.3 1.0 N A:THR221 4.5 68.5 1.0 N A:GLU189 4.5 85.6 1.0 N A:ARG188 4.5 80.7 1.0 O A:GLU189 4.5 90.5 1.0 CA A:ASN192 4.5 76.4 1.0 CA A:GLU189 4.6 85.8 1.0 CB A:ARG188 4.7 97.8 1.0 CA A:THR221 4.7 67.4 1.0 N A:ASP190 4.8 84.8 1.0 C A:ASP190 4.8 80.1 1.0 CA A:GLY185 5.0 83.1 1.0 N A:GLU193 5.0 74.9 1.0

M.Gamble, G.Kunze, E.J.Dodson, K.S.Wilson, D.D.Jones. Regulation of An Intracellular Subtilisin Protease Activity By A Short Propeptide Sequence Through An Original Combined Dual Mechanism. Proc.Natl.Acad.Sci.Usa V. 108 3536 2011.
ISSN: ISSN 0027-8424
PubMed: 21307308
DOI: 10.1073/PNAS.1014229108