Calcium in PDB 3c9e: Crystal Structure of the Cathepsin K : Chondroitin Sulfate Complex.

All present enzymatic activity of Crystal Structure of the Cathepsin K : Chondroitin Sulfate Complex.:
3.4.22.38;

The structure of Crystal Structure of the Cathepsin K : Chondroitin Sulfate Complex., PDB code: 3c9e was solved by M.Kienetz, M.M.Cherney, M.N.G.James, D.Bromme, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	40.00 / 1.80
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	42.000, 143.900, 87.200, 90.00, 90.00, 90.00
R / Rfree (%)	18 / 20.9

The binding sites of Calcium atom in the Crystal Structure of the Cathepsin K : Chondroitin Sulfate Complex. (pdb code 3c9e). 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 the Cathepsin K : Chondroitin Sulfate Complex., PDB code: 3c9e:

Calcium binding site 1 out of 1 in the Crystal Structure of the Cathepsin K : Chondroitin Sulfate Complex.


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 the Cathepsin K : Chondroitin Sulfate Complex. within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca307 b:15.1 occ:0.50 OE1 A:GLN73 2.3 6.3 1.0 OE2 A:GLU59 2.5 6.9 1.0 OD1 A:ASN70 2.5 5.3 1.0 OE1 A:GLU59 2.7 2.7 1.0 CD A:GLU59 3.0 7.9 1.0 CD A:GLN73 3.3 8.0 1.0 CG A:ASN70 3.5 8.3 1.0 NE2 A:GLN73 3.6 6.1 1.0 O A:HOH528 4.1 5.5 0.5 CA A:ASN70 4.2 6.3 1.0 ND2 A:ASN70 4.3 4.4 1.0 CB A:ASN70 4.4 6.5 1.0 CG A:GLU59 4.5 6.1 1.0 N A:ASN70 4.6 6.5 1.0 CG A:GLN73 4.6 5.2 1.0 OG1 A:THR69 4.7 5.6 1.0

Z.Li, M.Kienetz, M.M.Cherney, M.N.James, D.Bromme. The Crystal and Molecular Structures of A Cathepsin K:Chondroitin Sulfate Complex. J.Mol.Biol. V. 383 78 2008.
ISSN: ISSN 0022-2836
PubMed: 18692071
DOI: 10.1016/J.JMB.2008.07.038