Calcium in PDB 7z7v: Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Open- Ready State

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

The structure of Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Open- Ready 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, Open- Ready State (pdb code 7z7v). 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, Open- Ready State, PDB code: 7z7v:

Calcium binding site 1 out of 1 in the Complex I From E. Coli, Lmng-Purified, Under Turnover at pH 6, Open- Ready 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, Open- Ready State within 5.0Å range: probe atom residue distance (Å) B Occ G:Ca1005 b:26.2 occ:1.00 OD2 G:ASP619 2.4 33.9 1.0 OE2 G:GLU649 2.5 41.2 1.0 O G:HOH1404 2.5 32.7 1.0 OD2 G:ASP733 2.5 26.3 1.0 OE1 G:GLN634 2.5 24.0 1.0 O G:HOH1145 2.6 31.2 1.0 CG G:ASP733 3.5 23.1 1.0 CG G:ASP619 3.6 26.7 1.0 CB G:ASP733 3.7 27.1 1.0 CD G:GLU649 3.7 31.4 1.0 CD G:GLN634 3.7 16.4 1.0 OD1 G:ASP731 3.9 29.7 1.0 OD1 G:ASP619 4.1 33.6 1.0 CB G:GLN634 4.2 16.5 1.0 NH1 G:ARG652 4.2 21.4 1.0 OE1 G:GLU649 4.4 36.0 1.0 CG G:GLN634 4.6 20.8 1.0 OD1 G:ASP733 4.6 31.3 1.0 NE2 G:GLN634 4.6 21.9 1.0 O G:HOH1424 4.7 43.3 1.0 CG G:GLU649 4.7 30.9 1.0 O G:HOH1401 4.7 42.3 1.0 CB G:ASP619 4.8 24.6 1.0 N G:ASP619 4.9 25.3 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