Calcium in PDB 7z7s: Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Closed State

All present enzymatic activity of Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Closed State:
1.6.5.11; 1.6.5.3;

The structure of Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Closed State also contains other interesting chemical elements:

Iron

(Fe)

32 atoms

The binding sites of Calcium atom in the Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Closed State (pdb code 7z7s). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Closed State, PDB code: 7z7s:

Calcium binding site 1 out of 1 in the Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Closed State


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Closed State within 5.0Å range: probe atom residue distance (Å) B Occ G:Ca1005 b:31.0 occ:1.00 OD1 G:ASP619 2.4 44.8 1.0 OE2 G:GLU649 2.4 45.8 1.0 OE1 G:GLN634 2.5 25.0 1.0 OD2 G:ASP733 2.5 31.1 1.0 O G:HOH1354 2.5 26.5 1.0 O G:HOH1139 2.6 30.7 1.0 CG G:ASP733 3.4 33.9 1.0 CG G:ASP619 3.5 39.9 1.0 CB G:ASP733 3.7 22.3 1.0 CD G:GLU649 3.7 41.0 1.0 CD G:GLN634 3.7 23.3 1.0 OD1 G:ASP731 4.0 37.6 1.0 OD2 G:ASP619 4.0 42.6 1.0 CB G:GLN634 4.2 21.0 1.0 NH1 G:ARG652 4.2 25.8 1.0 OE1 G:GLU649 4.3 42.6 1.0 O G:HOH1181 4.4 35.3 1.0 NE2 G:GLN634 4.6 27.6 1.0 CG G:GLN634 4.6 26.3 1.0 OD1 G:ASP733 4.6 40.1 1.0 CB G:ASP619 4.7 31.0 1.0 CG G:GLU649 4.7 31.9 1.0 N G:ASP619 4.9 25.9 1.0

V.Kravchuk, O.Petrova, D.Kampjut, A.Wojciechowska-Bason, Z.Breese, L.Sazanov. A Universal Coupling Mechanism of Respiratory Complex I. Nature V. 609 808 2022.
ISSN: ESSN 1476-4687
PubMed: 36104567
DOI: 10.1038/S41586-022-05199-7