Calcium in PDB 6zoo: Photosystem I Reduced Plastocyanin Complex

All present enzymatic activity of Photosystem I Reduced Plastocyanin Complex:
1.97.1.12;

The structure of Photosystem I Reduced Plastocyanin Complex also contains other interesting chemical elements:

Magnesium	(Mg)	157 atoms
Copper	(Cu)	1 atom
Iron	(Fe)	12 atoms

The binding sites of Calcium atom in the Photosystem I Reduced Plastocyanin Complex (pdb code 6zoo). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Photosystem I Reduced Plastocyanin Complex, PDB code: 6zoo:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Photosystem I Reduced Plastocyanin Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Photosystem I Reduced Plastocyanin Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca6000 b:92.3 occ:1.00 N 3:PRO86 2.1 83.9 1.0 C 3:PRO86 2.1 83.9 1.0 N 3:GLY88 2.3 81.7 1.0 N 3:GLU87 2.3 83.1 1.0 O 3:GLY88 2.3 81.7 1.0 C 3:GLU87 2.4 83.1 1.0 CA 3:GLU87 2.4 83.1 1.0 CA 3:PRO86 2.5 83.9 1.0 CG 3:ASP85 2.5 83.5 1.0 C 3:ASP85 2.5 83.5 1.0 CD 3:PRO86 2.5 83.9 1.0 CB 3:GLU87 2.5 83.1 1.0 C 3:GLY88 2.5 81.7 1.0 OD2 3:ASP85 2.6 83.5 1.0 O 3:PRO86 2.8 83.9 1.0 CA 3:GLY88 2.9 81.7 1.0 OD1 3:ASP85 2.9 83.5 1.0 CB 3:ASP85 3.1 83.5 1.0 O 3:ASP85 3.2 83.5 1.0 CA 3:ASP85 3.3 83.5 1.0 O 3:GLU87 3.4 83.1 1.0 N 3:THR89 3.4 77.6 1.0 CG 3:PRO86 3.6 83.9 1.0 CB 3:PRO86 3.7 83.9 1.0 CG 3:GLU87 3.8 83.1 1.0 OE1 3:GLU87 4.4 83.1 1.0 CA 3:THR89 4.4 77.6 1.0 CD 3:GLU87 4.6 83.1 1.0 N 3:ASP85 4.6 83.5 1.0 CB 3:THR89 4.8 77.6 1.0

Calcium binding site 2 out of 2 in the Photosystem I Reduced Plastocyanin Complex


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Photosystem I Reduced Plastocyanin Complex within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca6000 b:50.2 occ:1.00 O B:GLU503 2.4 45.2 1.0 OD1 B:ASN506 2.4 38.8 1.0 O B:ILE501 2.6 39.0 1.0 O B:LEU508 2.7 32.9 1.0 O B:ALA500 2.8 39.3 1.0 C B:ILE501 3.2 39.0 1.0 CG B:ASN506 3.4 38.8 1.0 CA B:ILE501 3.5 39.0 1.0 C B:GLU503 3.6 45.2 1.0 CB B:LEU508 3.6 32.9 1.0 C B:LEU508 3.7 32.9 1.0 ND2 B:ASN506 3.7 38.8 1.0 C B:ALA500 3.8 39.3 1.0 CA B:LEU508 4.0 32.9 1.0 N B:LEU508 4.0 32.9 1.0 N B:GLU503 4.1 45.2 1.0 N B:ILE501 4.1 39.0 1.0 N B:ASN502 4.3 41.3 1.0 CG B:LEU508 4.3 32.9 1.0 CA B:GLU503 4.3 45.2 1.0 OE1 B:GLU503 4.5 45.2 1.0 C B:ASN502 4.6 41.3 1.0 N B:ASN504 4.6 46.9 1.0 O B:PHE509 4.6 32.5 1.0 CD2 B:LEU508 4.7 32.9 1.0 O B:ASN506 4.7 38.8 1.0 CB B:GLU503 4.7 45.2 1.0 CA B:ASN504 4.7 46.9 1.0 CB B:ILE501 4.8 39.0 1.0 CB B:ASN506 4.8 38.8 1.0 CG1 B:ILE501 4.8 39.0 1.0 CA B:ASN502 4.8 41.3 1.0 C B:ASN506 4.9 38.8 1.0 N B:PHE509 4.9 32.5 1.0 NZ B:LYS469 5.0 37.3 1.0

I.Caspy, M.Fadeeva, S.Kuhlgert, A.Borovikova-Sheinker, D.Klaiman, G.Masrati, F.Drepper, N.Ben-Tal, M.Hippler, N.Nelson. Structure of Plant Photosystem I-Plastocyanin Complex Reveals Strong Hydrophobic Interactions Biochem.J. 2021.
ISSN: ESSN 1470-8728
PubMed: 34085703
DOI: 10.1042/BCJ20210267