› 2pps

X-ray diffraction
4Å resolution

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

Released:
DOI: 10.2210/pdb2pps/pdb
PDB entry 2pps coloured by chain, front view.
PDB entry 2pps coloured by chain, side view.
PDB entry 2pps coloured by chain, top view.
Source organism: Synechococcus elongatus
Primary publication:
Photosystem I at 4 A resolution represents the first structural model of a joint photosynthetic reaction centre and core antenna system.
Krauss N, Schubert WD, Klukas O, Fromme P, Witt HT, Saenger W
Nat Struct Biol 3 965-73 (1996)
PMID: 8901876

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-163172 (preferred)
Entry contents:
6 distinct polypeptide molecules
Macromolecules (6 distinct):
PHOTOSYSTEM I Chain: A
Molecule details ›
Chain: A
Length: 478 amino acids
Theoretical weight: 40.7 KDa
Source organism: Synechococcus elongatus
PHOTOSYSTEM I Chain: B
Molecule details ›
Chain: B
Length: 503 amino acids
Theoretical weight: 42.83 KDa
Source organism: Synechococcus elongatus
PHOTOSYSTEM I Chain: L
Molecule details ›
Chain: L
Length: 111 amino acids
Theoretical weight: 9.46 KDa
Source organism: Synechococcus elongatus
PHOTOSYSTEM I Chain: K
Molecule details ›
Chain: K
Length: 64 amino acids
Theoretical weight: 5.46 KDa
Source organism: Synechococcus elongatus
PHOTOSYSTEM I Chain: F
Molecule details ›
Chain: F
Length: 130 amino acids
Theoretical weight: 11.08 KDa
Source organism: Synechococcus elongatus
PHOTOSYSTEM I Chain: C
Molecule details ›
Chain: C
Length: 80 amino acids
Theoretical weight: 6.83 KDa
Source organism: Synechococcus elongatus

Ligands and Environments

3 bound ligands:
Ligand CLA 89 x CLA
Ligand PQN 1 x PQN
Ligand SF4 3 x SF4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE X11
Spacegroup: P63
Unit cell:
a: 286Å b: 286Å c: 167Å
α: 90° β: 90° γ: 120°

Quick links

Citations

26 review citations

Helical membrane protein folding, stability, and evolution.
Popot et al. (2000)
25 more