Calcium in PDB 1jb0: Crystal Structure of Photosystem I: A Photosynthetic Reaction Center and Core Antenna System From Cyanobacteria

The structure of Crystal Structure of Photosystem I: A Photosynthetic Reaction Center and Core Antenna System From Cyanobacteria, PDB code: 1jb0 was solved by P.Jordan, P.Fromme, H.T.Witt, O.Klukas, W.Saenger, N.Krauss, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.50
Space group	P 63
Cell size a, b, c (Å), α, β, γ (°)	281.000, 281.000, 165.200, 90.00, 90.00, 120.00
R / Rfree (%)	19.9 / 21.7

The structure of Crystal Structure of Photosystem I: A Photosynthetic Reaction Center and Core Antenna System From Cyanobacteria also contains other interesting chemical elements:

Magnesium	(Mg)	96 atoms
Iron	(Fe)	12 atoms

The binding sites of Calcium atom in the Crystal Structure of Photosystem I: A Photosynthetic Reaction Center and Core Antenna System From Cyanobacteria (pdb code 1jb0). 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 Crystal Structure of Photosystem I: A Photosynthetic Reaction Center and Core Antenna System From Cyanobacteria, PDB code: 1jb0:

Calcium binding site 1 out of 1 in the Crystal Structure of Photosystem I: A Photosynthetic Reaction Center and Core Antenna System From Cyanobacteria


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Photosystem I: A Photosynthetic Reaction Center and Core Antenna System From Cyanobacteria within 5.0Å range: probe atom residue distance (Å) B Occ L:Ca1001 b:27.8 occ:1.00 O L:PRO67 2.3 27.4 1.0 O L:HOH4044 2.3 33.3 1.0 O L:HOH4043 2.3 18.5 1.0 O A:HOH5053 2.5 20.1 1.0 OD1 L:ASP70 2.6 32.6 1.0 O A:HOH5054 2.7 23.4 1.0 C L:PRO67 3.5 26.4 1.0 CG L:ASP70 3.5 34.3 1.0 OD2 L:ASP70 3.7 34.9 1.0 CA L:PRO67 4.2 26.5 1.0 NE2 A:GLN472 4.5 26.1 1.0 N L:LEU68 4.5 26.0 1.0 OD1 A:ASP473 4.5 25.5 1.0 CA L:LEU68 4.6 24.7 1.0 CB L:PRO67 4.7 26.9 1.0 OD2 A:ASP473 4.8 28.9 1.0 CB L:ASP70 4.9 30.8 1.0

P.Jordan, P.Fromme, H.T.Witt, O.Klukas, W.Saenger, N.Krauss. Three-Dimensional Structure of Cyanobacterial Photosystem I at 2.5 A Resolution Nature V. 411 909 2001.
ISSN: ISSN 0028-0836
PubMed: 11418848
DOI: 10.1038/35082000