Zinc in PDB 7q4w: Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State

All present enzymatic activity of Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State:
1.12.7.2;

The structure of Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State also contains other interesting chemical elements:

Iron

(Fe)

64 atoms

The binding sites of Zinc atom in the Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State (pdb code 7q4w). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State, PDB code: 7q4w:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State within 5.0Å range: probe atom residue distance (Å) B Occ B:Zn605 b:98.6 occ:1.00 NE2 B:HIS527 2.0 87.1 1.0 SG B:CYS533 2.3 88.1 1.0 SG B:CYS440 2.3 89.1 1.0 SG B:CYS538 2.3 89.5 1.0 CE1 B:HIS527 2.6 87.1 1.0 CB B:CYS533 2.9 88.1 1.0 CB B:CYS440 3.3 89.1 1.0 CD2 B:HIS527 3.3 87.1 1.0 CB B:CYS538 3.5 89.5 1.0 CA B:CYS533 3.6 88.1 1.0 ND1 B:HIS527 3.9 87.1 1.0 N B:CYS538 3.9 89.5 1.0 CG B:HIS527 4.2 87.1 1.0 CA B:CYS538 4.3 89.5 1.0 C B:CYS533 4.6 88.1 1.0 CB B:VAL442 4.7 85.5 1.0 CA B:CYS440 4.7 89.1 1.0 N B:CYS533 4.7 88.1 1.0 CG2 B:VAL442 4.8 85.5 1.0 CB B:VAL537 4.9 89.1 1.0 N B:VAL537 4.9 89.1 1.0 CD B:PRO534 5.0 88.7 1.0 C B:VAL537 5.0 89.1 1.0

Zinc binding site 2 out of 2 in the Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Cryoem Structure of Electron Bifurcating Fe-Fe Hydrogenase Hydabc Complex A. Woodii in the Oxidised State within 5.0Å range: probe atom residue distance (Å) B Occ F:Zn601 b:96.5 occ:1.00 NE2 F:HIS527 2.1 88.0 1.0 CE1 F:HIS527 2.2 88.0 1.0 SG F:CYS440 2.3 89.4 1.0 SG F:CYS533 2.3 87.2 1.0 SG F:CYS538 2.3 89.2 1.0 CB F:CYS533 2.9 87.2 1.0 CB F:CYS440 3.3 89.4 1.0 CD2 F:HIS527 3.4 88.0 1.0 ND1 F:HIS527 3.5 88.0 1.0 CB F:CYS538 3.6 89.2 1.0 CA F:CYS533 3.6 87.2 1.0 N F:CYS538 4.0 89.2 1.0 CG F:HIS527 4.1 88.0 1.0 CA F:CYS538 4.4 89.2 1.0 C F:CYS533 4.6 87.2 1.0 CB F:VAL442 4.7 85.6 1.0 CA F:CYS440 4.7 89.4 1.0 N F:CYS533 4.7 87.2 1.0 CG2 F:VAL442 4.8 85.6 1.0 CD F:PRO534 4.8 87.4 1.0 N F:VAL537 4.8 87.8 1.0 CB F:VAL537 4.9 87.8 1.0 N F:PRO534 4.9 87.4 1.0 C F:VAL537 5.0 87.8 1.0

A.Katsyv, A.Kumar, P.Saura, M.C.Poeverlein, S.A.Freibert, S.Stripp, S.Jain, A.P.Gamiz-Hernandez, V.R.I.Kaila, V.Mueller, J.M.Schuller. Molecular Basis of the Electron Bifurcation Mechanism in the [Fefe]-Hydrogenase Complex Hydabc J.Am.Chem.Soc. 2023.
ISSN: ESSN 1520-5126
DOI: 10.1021/JACS.2C11683