Calcium in PDB 2pqx: E. Coli Rnase 1 (in Vivo Folded)

All present enzymatic activity of E. Coli Rnase 1 (in Vivo Folded):
3.1.27.6;

The structure of E. Coli Rnase 1 (in Vivo Folded), PDB code: 2pqx was solved by J.Messens, R.Loris, L.Wyns, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 1.42
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	39.894, 49.626, 53.398, 90.00, 96.86, 90.00
R / Rfree (%)	18.8 / 20.2

The binding sites of Calcium atom in the E. Coli Rnase 1 (in Vivo Folded) (pdb code 2pqx). 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 Vivo Folded), PDB code: 2pqx:

Calcium binding site 1 out of 1 in the E. Coli Rnase 1 (in Vivo Folded)


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 Vivo Folded) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca500 b:17.0 occ:1.00 O A:LYS242 2.4 19.2 1.0 O A:GLY244 2.4 26.3 1.0 OE1 A:GLN26 2.4 18.0 1.0 OD1 A:ASP241 2.4 19.0 1.0 O A:HOH502 2.5 25.2 1.0 OD2 A:ASP241 2.5 15.2 1.0 O A:HOH501 2.5 18.2 1.0 CG A:ASP241 2.8 14.4 1.0 CD A:GLN26 3.5 17.1 1.0 C A:GLY244 3.6 28.8 1.0 C A:LYS242 3.6 18.4 1.0 CB A:GLN26 4.0 15.4 1.0 CG A:GLN26 4.0 16.5 1.0 N A:LYS242 4.1 15.1 1.0 N A:GLY244 4.1 22.6 1.0 C A:ALA243 4.2 21.5 1.0 O A:HOH506 4.2 31.9 1.0 CB A:ASP241 4.2 13.7 1.0 O A:HOH551 4.3 34.4 1.0 O A:THR22 4.4 14.3 1.0 O A:HOH503 4.4 21.7 1.0 CA A:GLY244 4.5 26.6 1.0 CA A:LYS242 4.5 18.3 1.0 N A:TYR245 4.5 28.8 1.0 O A:ALA243 4.5 22.9 1.0 N A:ALA243 4.5 20.5 1.0 CA A:TYR245 4.6 30.2 1.0 CA A:ALA243 4.6 21.9 1.0 C A:ASP241 4.6 12.9 1.0 NE2 A:GLN26 4.6 21.3 1.0 O A:HOH505 4.8 26.3 1.0 O A:TYR245 4.8 32.3 1.0 CA A:ASP241 4.8 11.8 1.0 O A:HOH504 4.9 20.1 1.0 CA A:GLN26 4.9 16.0 1.0 C A:THR22 4.9 12.8 1.0 O A:HOH609 5.0 41.1 1.0 CB A:THR22 5.0 13.9 1.0

J.Messens, J.F.Collet, R.Loris, L.Wyns. Crystal Structure of E. Coli Ribonuclease 1 To Be Published.