Calcium in PDB 2pqy: E. Coli Rnase 1 (in Vitro Refolded with Dsba Only)

All present enzymatic activity of E. Coli Rnase 1 (in Vitro Refolded with Dsba Only):
3.1.27.6;

The structure of E. Coli Rnase 1 (in Vitro Refolded with Dsba Only), PDB code: 2pqy was solved by J.Messens, R.Loris, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 2.30
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	39.571, 49.548, 53.328, 90.00, 97.68, 90.00
R / Rfree (%)	19.6 / 24

The binding sites of Calcium atom in the E. Coli Rnase 1 (in Vitro Refolded with Dsba Only) (pdb code 2pqy). 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 E. Coli Rnase 1 (in Vitro Refolded with Dsba Only), PDB code: 2pqy:

Calcium binding site 1 out of 1 in the E. Coli Rnase 1 (in Vitro Refolded with Dsba Only)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of E. Coli Rnase 1 (in Vitro Refolded with Dsba Only) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca500 b:44.8 occ:1.00 O A:HOH582 2.3 30.4 1.0 O A:GLY244 2.3 51.0 1.0 O A:LYS242 2.3 40.4 1.0 OE1 A:GLN26 2.5 57.5 1.0 OD2 A:ASP241 2.7 37.4 1.0 OD1 A:ASP241 2.8 37.2 1.0 CG A:ASP241 3.1 35.0 1.0 O A:HOH550 3.1 52.4 1.0 C A:GLY244 3.4 51.5 1.0 C A:LYS242 3.6 41.5 1.0 CD A:GLN26 3.6 57.5 1.0 N A:GLY244 3.8 48.4 1.0 C A:ALA243 3.9 46.8 1.0 CB A:GLN26 3.9 56.9 1.0 CG A:GLN26 4.1 57.2 1.0 CA A:GLY244 4.1 50.1 1.0 CA A:ALA243 4.3 45.5 1.0 N A:TYR245 4.3 52.1 1.0 O A:ALA243 4.3 46.1 1.0 N A:LYS242 4.3 37.6 1.0 N A:ALA243 4.4 43.4 1.0 CA A:TYR245 4.5 52.8 1.0 O A:THR22 4.5 40.7 1.0 CA A:LYS242 4.6 40.6 1.0 CB A:ASP241 4.6 33.6 1.0 NE2 A:GLN26 4.7 57.9 1.0 CA A:GLN26 4.8 56.8 1.0 CD2 A:TYR245 4.9 54.8 1.0 C A:ASP241 4.9 34.8 1.0 CB A:THR22 4.9 39.0 1.0 C A:THR22 5.0 40.6 1.0

J.Messens, J.F.Collet, K.Van Belle, E.Brosens, R.Loris, L.Wyns. The Oxidase Dsba Folds A Protein with A Nonconsecutive Disulfide. J.Biol.Chem. V. 282 31302 2007.
ISSN: ISSN 0021-9258
PubMed: 17702751
DOI: 10.1074/JBC.M705236200