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Zinc in PDB 7onm: Carbonic Anhydrase II Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase)

Enzymatic activity of Carbonic Anhydrase II Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase)

All present enzymatic activity of Carbonic Anhydrase II Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase):
4.2.1.1; 4.2.1.69;

Protein crystallography data

The structure of Carbonic Anhydrase II Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase), PDB code: 7onm was solved by A.Stein, C.Dongping, Y.Cotelle, J.G.Rebelein, T.R.Ward, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 37.51 / 1.77
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 42.172, 73.959, 74.959, 90, 90, 90
R / Rfree (%) 17.8 / 22.3

Other elements in 7onm:

The structure of Carbonic Anhydrase II Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase) also contains other interesting chemical elements:

Chlorine (Cl) 1 atom
Iridium (Ir) 1 atom

Zinc Binding Sites:

The binding sites of Zinc atom in the Carbonic Anhydrase II Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase) (pdb code 7onm). 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 Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase), PDB code: 7onm:

Zinc binding site 1 out of 1 in 7onm

Go back to Zinc Binding Sites List in 7onm
Zinc binding site 1 out of 1 in the Carbonic Anhydrase II Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase)


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 Mutant (N67G-E69R-I91C) Dually Binding An Ircp* Complex to Generate An Artificial Transfer Hydrogenase (Athase) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn301

b:7.9
occ:1.00
 N3 A:VKZ302 1.9 9.7 1.0
NE2 A:HIS94 2.0 9.1 1.0
ND1 A:HIS119 2.0 7.8 1.0
NE2 A:HIS96 2.1 7.6 1.0
CE1 A:HIS119 2.9 7.9 1.0
O2 A:VKZ302 3.0 8.2 1.0
CD2 A:HIS94 3.0 9.1 1.0
CE1 A:HIS94 3.0 9.9 1.0
S1 A:VKZ302 3.0 10.0 1.0
CD2 A:HIS96 3.1 8.0 1.0
CE1 A:HIS96 3.1 7.6 1.0
CG A:HIS119 3.1 8.1 1.0
CB A:HIS119 3.6 8.1 1.0
OG1 A:THR198 3.8 9.3 1.0
OE1 A:GLU106 3.9 10.6 1.0
O1 A:VKZ302 4.0 9.5 1.0
NE2 A:HIS119 4.1 7.9 1.0
CG A:HIS94 4.1 9.0 1.0
ND1 A:HIS94 4.1 9.8 1.0
C10 A:VKZ302 4.1 10.4 1.0
CD2 A:HIS119 4.2 8.0 1.0
ND1 A:HIS96 4.2 7.6 1.0
CG A:HIS96 4.2 7.8 1.0
O A:HOH543 4.7 33.5 1.0
CD A:GLU106 4.8 10.0 1.0
C9 A:VKZ302 4.9 11.8 1.0

Reference:

A.Stein, D.Chen, N.V.Igareta, Y.Cotelle, J.G.Rebelein, T.R.Ward. A Dual Anchoring Strategy For the Directed Evolution of Improved Artificial Transfer Hydrogenases Based on Carbonic Anhydrase. Acs Cent.Sci. V. 7 1874 2021.
ISSN: ESSN 2374-7951
PubMed: 34849402
DOI: 10.1021/ACSCENTSCI.1C00825
Page generated: Fri Aug 22 03:05:16 2025

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