Zinc in PDB 6mbv: Carbonic Anhydrase II in Complex with Nicotinic Acid

All present enzymatic activity of Carbonic Anhydrase II in Complex with Nicotinic Acid:
4.2.1.1;

The structure of Carbonic Anhydrase II in Complex with Nicotinic Acid, PDB code: 6mbv was solved by C.L.Lomelino, R.Mckenna, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	31.91 / 1.70
Space group	P 1 21 1
Cell size a, b, c (Å), α, β, γ (°)	42.078, 41.139, 71.761, 90.00, 104.27, 90.00
R / Rfree (%)	15.2 / 17.7

The binding sites of Zinc atom in the Carbonic Anhydrase II in Complex with Nicotinic Acid (pdb code 6mbv). 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 Carbonic Anhydrase II in Complex with Nicotinic Acid, PDB code: 6mbv:

Zinc binding site 1 out of 1 in the Carbonic Anhydrase II in Complex with Nicotinic Acid


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Carbonic Anhydrase II in Complex with Nicotinic Acid within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn301 b:14.0 occ:1.00 NE2 A:HIS94 2.0 13.5 1.0 ND1 A:HIS119 2.0 13.3 1.0 NE2 A:HIS96 2.0 12.8 1.0 O A:HOH412 2.1 20.4 1.0 CE1 A:HIS119 2.9 14.4 1.0 CD2 A:HIS94 2.9 12.3 1.0 HE1 A:HIS119 3.0 17.3 1.0 CD2 A:HIS96 3.0 13.4 1.0 CE1 A:HIS94 3.0 15.0 1.0 HD2 A:HIS94 3.0 14.8 1.0 CE1 A:HIS96 3.1 11.4 1.0 CG A:HIS119 3.1 11.0 1.0 HD2 A:HIS96 3.2 16.1 1.0 HB2 A:HIS119 3.2 14.2 1.0 HE1 A:HIS94 3.3 18.0 1.0 HE1 A:HIS96 3.3 13.7 1.0 HG1 A:THR199 3.5 18.7 1.0 CB A:HIS119 3.6 11.8 1.0 O1 A:NIO302 3.7 23.2 1.0 OG1 A:THR199 3.7 15.6 1.0 HB3 A:HIS119 3.7 14.2 1.0 H32 A:GOL303 4.0 22.6 1.0 OE1 A:GLU106 4.0 13.0 1.0 NE2 A:HIS119 4.0 13.5 1.0 CG A:HIS94 4.1 14.4 1.0 ND1 A:HIS94 4.1 13.2 1.0 CG A:HIS96 4.2 12.6 1.0 ND1 A:HIS96 4.2 13.4 1.0 CD2 A:HIS119 4.2 11.3 1.0 H31 A:GOL303 4.3 22.6 1.0 HH2 A:TRP209 4.3 15.8 1.0 C6 A:NIO302 4.5 19.5 1.0 H2 A:GOL303 4.5 20.7 1.0 C3 A:GOL303 4.6 18.8 1.0 O2 A:NIO302 4.6 24.8 1.0 HE2 A:HIS119 4.8 16.2 1.0 CD A:GLU106 4.8 12.8 1.0 HG23 A:THR200 4.8 20.3 1.0 HD1 A:HIS94 4.9 15.9 1.0 H A:THR199 4.9 15.5 1.0 HD1 A:HIS96 5.0 16.0 1.0

C.L.Lomelino, R.Mckenna. Carbonic Anhydrase II in Complex with Carboxylic Acid-Based Inhibitors. Acta Crystallogr F Struct V. 75 166 2019BIOL Commun.
ISSN: ESSN 2053-230X
PubMed: 30839290
DOI: 10.1107/S2053230X18018344