Zinc in PDB 7p91: Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed

All present enzymatic activity of Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed:
1.12.1.4;

The structure of Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed also contains other interesting chemical elements:

Iron

(Fe)

62 atoms

The binding sites of Zinc atom in the Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed (pdb code 7p91). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed, PDB code: 7p91:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed within 5.0Å range: probe atom residue distance (Å) B Occ b:Zn704 b:55.9 occ:1.00 NE2 b:HIS555 2.1 21.3 1.0 SG b:CYS560 2.3 30.7 1.0 SG b:CYS565 2.3 33.1 1.0 SG b:CYS468 2.3 23.3 1.0 CE1 b:HIS555 3.0 21.3 1.0 CD2 b:HIS555 3.1 21.3 1.0 CB b:CYS560 3.4 30.7 1.0 CB b:CYS468 3.5 23.3 1.0 CB b:CYS565 3.6 33.1 1.0 ND1 b:HIS555 4.1 21.3 1.0 CA b:CYS560 4.2 30.7 1.0 CG b:HIS555 4.2 21.3 1.0 N b:CYS565 4.2 33.1 1.0 CA b:CYS565 4.5 33.1 1.0 CG b:MET564 4.7 33.8 1.0 CA b:CYS468 4.9 23.3 1.0 CB b:VAL470 5.0 16.6 1.0

Zinc binding site 2 out of 2 in the Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Tmhydabc- T. Maritima Bifurcating Hydrogenase with Bridge Domain Closed within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn706 b:44.4 occ:1.00 NE2 B:HIS555 2.0 22.4 1.0 SG B:CYS468 2.3 22.5 1.0 SG B:CYS560 2.3 29.1 1.0 SG B:CYS565 2.3 28.5 1.0 CE1 B:HIS555 2.9 22.4 1.0 CB B:CYS468 3.1 22.5 1.0 CD2 B:HIS555 3.1 22.4 1.0 CB B:CYS560 3.3 29.1 1.0 CB B:CYS565 3.4 28.5 1.0 N B:CYS565 4.1 28.5 1.0 CA B:CYS560 4.1 29.1 1.0 ND1 B:HIS555 4.1 22.4 1.0 CG B:HIS555 4.2 22.4 1.0 CA B:CYS565 4.3 28.5 1.0 CA B:CYS468 4.5 22.5 1.0 CB B:VAL470 4.7 17.7 1.0 OG B:SER562 4.9 25.1 1.0 N B:GLU471 4.9 16.9 1.0

C.Furlan, N.Chongdar, P.Gupta, W.Lubitz, H.Ogata, J.N.Blaza, J.A.Birrell. Structural Insight on the Mechanism of An Electron-Bifurcating [Fefe] Hydrogenase. Elife V. 11 2022.
ISSN: ESSN 2050-084X
PubMed: 36018003
DOI: 10.7554/ELIFE.79361