Zinc in PDB 7aq2: Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A

Enzymatic activity of Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A

All present enzymatic activity of Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A:
1.7.2.4;

Protein crystallography data

The structure of Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A, PDB code: 7aq2 was solved by L.Zhang, E.Bill, P.M.H.Kroneck, O.Einsle, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 69.54 / 1.68
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 69.643, 76.501, 108.949, 90, 93.12, 90
R / Rfree (%) 16.3 / 20.1

Other elements in 7aq2:

The structure of Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A also contains other interesting chemical elements:

Calcium (Ca) 1 atom
Potassium (K) 1 atom
Sodium (Na) 2 atoms
Copper (Cu) 6 atoms
Chlorine (Cl) 3 atoms

Zinc Binding Sites:

The binding sites of Zinc atom in the Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A (pdb code 7aq2). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A, PDB code: 7aq2:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in 7aq2

Go back to Zinc Binding Sites List in 7aq2
Zinc binding site 1 out of 2 in the Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn701

b:30.0
occ:0.53
NE2 A:HIS326 1.8 33.1 1.0
NE2 A:HIS382 2.1 31.8 1.0
O A:HOH1177 2.3 35.5 1.0
O A:HOH1153 2.4 26.6 1.0
CE1 A:HIS326 2.8 32.9 1.0
CD2 A:HIS326 2.8 35.4 1.0
CE1 A:HIS382 3.0 30.7 1.0
CD2 A:HIS382 3.2 31.0 1.0
ZN A:ZN702 3.4 22.6 0.6
NE2 A:HIS433 3.4 30.5 1.0
CD2 A:HIS433 3.7 35.3 1.0
ND1 A:HIS326 3.9 33.4 1.0
NE2 A:HIS494 3.9 28.2 1.0
CG A:HIS326 3.9 30.0 1.0
CE1 A:HIS494 4.1 32.3 1.0
ND1 A:HIS382 4.2 28.7 1.0
ND2 A:ASN241 4.3 32.2 1.0
CG A:HIS382 4.3 31.3 1.0
CE1 A:HIS433 4.3 33.4 1.0
CG A:HIS433 4.6 31.2 1.0
ND1 A:HIS433 4.9 31.8 1.0

Zinc binding site 2 out of 2 in 7aq2

Go back to Zinc Binding Sites List in 7aq2
Zinc binding site 2 out of 2 in the Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Pseudomonas Stutzeri Nitrous Oxide Reductase Mutant, H583A within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn702

b:22.6
occ:0.59
O A:HOH1153 1.9 26.6 1.0
NE2 A:HIS433 2.0 30.5 1.0
NE2 A:HIS130 2.1 23.0 1.0
NE2 A:HIS494 2.2 28.2 1.0
CD2 A:HIS494 2.8 32.6 1.0
CD2 A:HIS433 3.0 35.3 1.0
CE1 A:HIS433 3.0 33.4 1.0
CD2 A:HIS130 3.1 16.2 1.0
CE1 A:HIS130 3.1 20.1 1.0
CE1 A:HIS494 3.3 32.3 1.0
ZN A:ZN701 3.4 30.0 0.5
OD1 A:ASN241 4.0 27.0 1.0
CG A:HIS494 4.0 28.0 1.0
ND1 A:HIS433 4.1 31.8 1.0
CG A:HIS433 4.1 31.2 1.0
NE2 A:HIS382 4.1 31.8 1.0
CE1 A:HIS382 4.2 30.7 1.0
ND1 A:HIS494 4.2 34.1 1.0
ND1 A:HIS130 4.2 20.5 1.0
CG A:HIS130 4.3 17.7 1.0
CE1 A:HIS178 4.3 34.6 1.0
NE2 A:HIS178 4.3 35.9 1.0
O A:HOH922 4.4 37.7 1.0
O A:HOH1177 4.5 35.5 1.0
CB A:HIS129 4.6 20.2 1.0
NE2 A:HIS326 4.7 33.1 1.0
CG A:ASN241 4.8 24.1 1.0
ND2 A:ASN241 4.8 32.2 1.0

Reference:

L.Zhang, E.Bill, P.M.H.Kroneck, O.Einsle. Histidine-Gated Proton-Coupled Electron Transfer to the Cu A Site of Nitrous Oxide Reductase. J.Am.Chem.Soc. 2020.
ISSN: ESSN 1520-5126
PubMed: 33377777
DOI: 10.1021/JACS.0C10057
Page generated: Mon Jan 25 16:40:31 2021

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