Zinc in PDB 4zao: Genetically Engineered Carbonic Anhydrase IX

All present enzymatic activity of Genetically Engineered Carbonic Anhydrase IX:
4.2.1.1;

The structure of Genetically Engineered Carbonic Anhydrase IX, PDB code: 4zao was solved by M.A.Pinard, M.Aggarwal, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	19.88 / 1.80
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	41.787, 41.231, 72.044, 90.00, 103.83, 90.00
R / Rfree (%)	17.5 / 20.5

The binding sites of Zinc atom in the Genetically Engineered Carbonic Anhydrase IX (pdb code 4zao). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Genetically Engineered Carbonic Anhydrase IX, PDB code: 4zao:

Zinc binding site 1 out of 1 in the Genetically Engineered Carbonic Anhydrase IX


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Genetically Engineered Carbonic Anhydrase IX within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn301 b:12.2 occ:1.00 O A:HOH453 2.0 12.5 1.0 NE2 A:HIS94 2.0 8.7 1.0 NE2 A:HIS96 2.1 7.6 1.0 ND1 A:HIS119 2.1 7.1 1.0 CD2 A:HIS94 2.9 7.3 1.0 CE1 A:HIS119 2.9 7.5 1.0 CE1 A:HIS96 3.0 10.4 1.0 CD2 A:HIS96 3.1 11.4 1.0 CE1 A:HIS94 3.1 13.8 1.0 CG A:HIS119 3.2 8.8 1.0 CB A:HIS119 3.6 7.2 1.0 O A:HOH460 3.7 16.2 1.0 OG1 A:THR199 3.8 7.2 1.0 OE1 A:GLU106 4.0 8.7 1.0 O A:HOH521 4.1 20.2 1.0 NE2 A:HIS119 4.1 7.9 1.0 CG A:HIS94 4.1 5.1 1.0 ND1 A:HIS96 4.1 7.3 1.0 ND1 A:HIS94 4.2 7.9 1.0 CG A:HIS96 4.2 7.1 1.0 CD2 A:HIS119 4.2 9.0 1.0 O A:HOH508 4.5 22.4 1.0 CD A:GLU106 4.8 9.3 1.0

M.A.Pinard, M.Aggarwal, B.P.Mahon, C.Tu, R.Mckenna. A Sucrose-Binding Site Provides A Lead Towards An Isoform-Specific Inhibitor of the Cancer-Associated Enzyme Carbonic Anhydrase IX. Acta Crystallogr F Struct V. 71 1352 2015BIOL Commun.
ISSN: ESSN 2053-230X
PubMed: 26457530
DOI: 10.1107/S2053230X1501239X