Zinc in PDB 4hcc: The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex

All present enzymatic activity of The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex:
3.1.11.1;

The structure of The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex, PDB code: 4hcc was solved by R.Qiu, J.Wei, T.Lou, M.Liu, C.Ji, W.Gong, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.96
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	63.037, 108.692, 158.403, 90.00, 90.00, 90.00
R / Rfree (%)	18.5 / 24.5

The binding sites of Zinc atom in the The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex (pdb code 4hcc). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex, PDB code: 4hcc:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn504 b:83.5 occ:1.00 O4 C:PO4101 1.9 94.6 1.0 OD2 A:ASP15 2.0 55.1 1.0 OE2 A:GLU17 2.2 59.1 1.0 OD1 A:ASP186 2.5 70.2 1.0 CG A:ASP15 2.9 52.6 1.0 P C:PO4101 3.0 94.0 1.0 O1 C:PO4101 3.1 88.5 1.0 OD1 A:ASP15 3.2 52.9 1.0 CD A:GLU17 3.3 60.2 1.0 CG A:ASP186 3.4 68.6 1.0 CB A:ASP186 3.5 62.8 1.0 OE1 A:GLU17 3.8 64.8 1.0 O A:TYR16 4.0 45.2 1.0 O3' C:DA12 4.0 95.7 1.0 O3 C:PO4101 4.0 88.1 1.0 CB A:ASP15 4.3 47.3 1.0 CA A:HIS181 4.3 79.9 1.0 CA A:ALA183 4.5 66.2 1.0 CG A:GLU17 4.6 55.1 1.0 OD2 A:ASP186 4.6 70.7 1.0 C A:HIS181 4.7 77.8 1.0 O A:ASP182 4.7 74.3 1.0 N A:ALA183 4.8 69.2 1.0 C A:ASP182 4.8 75.4 1.0 C A:TYR16 4.9 42.8 1.0 N A:HIS181 4.9 86.2 1.0 O A:HIS181 4.9 75.9 1.0

Zinc binding site 2 out of 2 in the The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of The Zinc Ion Bound Form of Crystal Structure of E.Coli Exoi-Ssdna Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn505 b:63.0 occ:1.00 O4 D:PO4101 1.9 73.2 1.0 OD1 B:ASP186 2.1 58.8 1.0 OE2 B:GLU17 2.2 58.2 1.0 OD2 B:ASP15 2.3 58.0 1.0 P D:PO4101 2.8 74.8 1.0 O1 D:PO4101 2.9 72.8 1.0 CG B:ASP186 3.1 58.4 1.0 CG B:ASP15 3.1 54.8 1.0 OD1 B:ASP15 3.3 59.2 1.0 CD B:GLU17 3.3 57.0 1.0 CB B:ASP186 3.6 53.8 1.0 O3 D:PO4101 3.7 71.6 1.0 OE1 B:GLU17 3.7 61.9 1.0 O B:TYR16 3.8 46.3 1.0 O3' D:DA12 4.1 74.4 1.0 OD2 B:ASP186 4.1 59.5 1.0 CA B:HIS181 4.3 69.9 1.0 CA B:ALA183 4.4 57.2 1.0 CB B:ASP15 4.4 49.3 1.0 O B:ASP182 4.6 63.4 1.0 CG B:GLU17 4.6 53.3 1.0 N B:ALA183 4.6 59.3 1.0 C B:HIS181 4.6 70.0 1.0 C B:ASP182 4.6 64.0 1.0 C B:TYR16 4.9 45.2 1.0 N B:ASP182 4.9 67.8 1.0 N B:HIS181 4.9 71.9 1.0

R.Qiu, T.Lou, J.Wei, M.Liu, S.Gu, R.Tang, C.Ji, W.Gong. The Structures of Escherichia Coli Exonuclease I in Complex with the Single Strand Dna To Be Published.