› 1c51

X-ray diffraction
4Å resolution

PHOTOSYNTHETIC REACTION CENTER AND CORE ANTENNA SYSTEM (TRIMERIC), ALPHA CARBON ONLY

Released:
DOI: 10.2210/pdb1c51/pdb
PDB entry 1c51 coloured by chain, front view.
PDB entry 1c51 coloured by chain, side view.
PDB entry 1c51 coloured by chain, top view.
Source organism: Synechococcus elongatus
Primary publication:
Photosystem I, an improved model of the stromal subunits PsaC, PsaD, and PsaE.
Klukas O, Schubert WD, Jordan P, Krauss N, Fromme P, Witt HT, Saenger W
J Biol Chem 274 7351-60 (1999)
PMID: 10066799

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Structure domain:

Structure analysis Details

Assembly composition:
hetero 24-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-162126 (preferred)
Entry contents:
8 distinct polypeptide molecules
Macromolecules (8 distinct):
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAA) Chain: A
Molecule details ›
Chain: A
Length: 597 amino acids
Theoretical weight: 50.83 KDa
Source organism: Synechococcus elongatus
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAB ) Chain: B
Molecule details ›
Chain: B
Length: 619 amino acids
Theoretical weight: 52.7 KDa
Source organism: Synechococcus elongatus
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAC) Chain: C
Molecule details ›
Chain: C
Length: 77 amino acids
Theoretical weight: 6.57 KDa
Source organism: Synechococcus elongatus
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAD) Chain: D
Molecule details ›
Chain: D
Length: 125 amino acids
Theoretical weight: 10.66 KDa
Source organism: Synechococcus elongatus
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAE) Chain: E
Molecule details ›
Chain: E
Length: 75 amino acids
Theoretical weight: 6.4 KDa
Source organism: Synechococcus elongatus
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAF) Chain: F
Molecule details ›
Chain: F
Length: 153 amino acids
Theoretical weight: 13.04 KDa
Source organism: Synechococcus elongatus
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAK) Chain: K
Molecule details ›
Chain: K
Length: 78 amino acids
Theoretical weight: 6.66 KDa
Source organism: Synechococcus elongatus
PROTEIN (PHOTOSYSTEM I: SUBUNIT PSAL) Chain: L
Molecule details ›
Chain: L
Length: 120 amino acids
Theoretical weight: 10.23 KDa
Source organism: Synechococcus elongatus

Ligands and Environments

3 bound ligands:
Ligand CLA 72 x CLA
Ligand PQN 2 x PQN
Ligand SF4 3 x SF4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: MPG/DESY, HAMBURG BEAMLINE BW6
Spacegroup: P63
Unit cell:
a: 286Å b: 286Å c: 167Å
α: 90° β: 90° γ: 120°

Quick links

Citations

9 review citations

Structure and function of photosystems I and II.
Nelson et al. (2006)
8 more

1 mention without citation

A Review on Bioactive Compounds from Marine-Derived Chaetomium Species.
Tian et al. (2022)