Calcium in PDB 2z70: E.Coli Rnase 1 in Complex with D(Cgcgatcgcg)

All present enzymatic activity of E.Coli Rnase 1 in Complex with D(Cgcgatcgcg):
3.1.27.6;

The structure of E.Coli Rnase 1 in Complex with D(Cgcgatcgcg), PDB code: 2z70 was solved by S.Martinez-Rodriguez, R.Loris, J.Messens, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	35.556, 49.758, 143.108, 90.00, 90.00, 90.00
R / Rfree (%)	19 / 23.5

The binding sites of Calcium atom in the E.Coli Rnase 1 in Complex with D(Cgcgatcgcg) (pdb code 2z70). 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 Complex with D(Cgcgatcgcg), PDB code: 2z70:

Calcium binding site 1 out of 1 in the E.Coli Rnase 1 in Complex with D(Cgcgatcgcg)


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 Complex with D(Cgcgatcgcg) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca246 b:22.0 occ:1.00 OE1 A:GLN26 2.2 22.6 1.0 O A:HOH467 2.3 21.9 1.0 O A:LYS242 2.3 20.6 1.0 O A:GLY244 2.3 28.6 1.0 O A:HOH247 2.4 25.1 1.0 OD2 A:ASP241 2.4 17.5 1.0 OD1 A:ASP241 2.5 18.4 1.0 CG A:ASP241 2.8 17.1 1.0 CD A:GLN26 3.4 21.4 1.0 C A:LYS242 3.6 21.5 1.0 C A:GLY244 3.6 28.9 1.0 CB A:GLN26 3.9 21.5 1.0 CG A:GLN26 4.0 22.1 1.0 N A:LYS242 4.2 18.7 1.0 N A:GLY244 4.2 26.6 1.0 CB A:ASP241 4.3 15.9 1.0 C A:ALA243 4.3 25.6 1.0 O A:THR22 4.3 16.2 1.0 CA A:TYR245 4.4 30.1 1.0 O A:HOH498 4.4 32.4 1.0 CA A:LYS242 4.4 21.0 1.0 O A:HOH353 4.4 23.9 1.0 N A:TYR245 4.4 29.5 1.0 CA A:GLY244 4.5 28.1 1.0 NE2 A:GLN26 4.5 24.1 1.0 N A:ALA243 4.5 22.0 1.0 O A:HOH354 4.5 26.1 1.0 CA A:ALA243 4.6 24.2 1.0 C A:ASP241 4.7 17.0 1.0 O A:HOH434 4.7 40.7 1.0 O A:ALA243 4.7 25.5 1.0 C A:THR22 4.9 16.4 1.0 CA A:GLN26 4.9 21.6 1.0 CA A:ASP241 4.9 16.2 1.0 CD2 A:TYR245 4.9 27.6 1.0 C A:TYR245 4.9 30.4 1.0 CB A:THR22 4.9 16.0 1.0 CB A:LYS242 5.0 21.8 1.0

S.M.Rodriguez, S.Panjikar, K.Van Belle, L.Wyns, J.Messens, R.Loris. Nonspecific Base Recognition Mediated By Water Bridges and Hydrophobic Stacking in Ribonuclease I From Escherichia Coli Protein Sci. V. 17 681 2008.
ISSN: ISSN 0961-8368
PubMed: 18305191
DOI: 10.1110/PS.073420708