PDBe 1qzv

X-ray diffraction
4.44Å resolution

Crystal structure of plant photosystem I

Released:
Source organism: Pisum sativum
Primary publication:
Crystal structure of plant photosystem I.
Nature 426 630-5 (2003)
PMID: 14668855

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero 16-mer (preferred)
Entry contents:
16 distinct polypeptide molecules
Macromolecules (16 distinct):
PLANT PHOTOSYSTEM I: SUBUNIT PSAA Chains: A, P
Molecule details ›
Chains: A, P
Length: 726 amino acids
Theoretical weight: 61.8 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAB Chains: B, Q
Molecule details ›
Chains: B, Q
Length: 732 amino acids
Theoretical weight: 62.31 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAC Chains: C, R
Molecule details ›
Chains: C, R
Length: 80 amino acids
Theoretical weight: 6.83 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAD Chains: D, S
Molecule details ›
Chains: D, S
Length: 154 amino acids
Theoretical weight: 13.12 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAE Chains: E, T
Molecule details ›
Chains: E, T
Length: 64 amino acids
Theoretical weight: 5.46 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAF Chains: F, U
Molecule details ›
Chains: F, U
Length: 154 amino acids
Theoretical weight: 13.8 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAG Chains: G, V
Molecule details ›
Chains: G, V
Length: 74 amino acids
Theoretical weight: 6.32 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAH Chains: H, W
Molecule details ›
Chains: H, W
Length: 52 amino acids
Theoretical weight: 4.44 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAI Chains: I, Y
Molecule details ›
Chains: I, Y
Length: 30 amino acids
Theoretical weight: 2.57 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAJ Chains: J, Z
Molecule details ›
Chains: J, Z
Length: 41 amino acids
Theoretical weight: 3.51 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAK Chains: 5, K
Molecule details ›
Chains: 5, K
Length: 42 amino acids
Theoretical weight: 3.59 KDa
Source organism: Pisum sativum
PLANT PHOTOSYSTEM I: SUBUNIT PSAL Chains: 6, L
Molecule details ›
Chains: 6, L
Length: 135 amino acids
Theoretical weight: 11.51 KDa
Source organism: Pisum sativum
PLANT LIGHT HARVESTING COMPLEX I(LHCI): SUBUNIT LHCA1 Chains: 1, 7
Molecule details ›
Chains: 1, 7
Length: 109 amino acids
Theoretical weight: 9.29 KDa
Source organism: Pisum sativum
PLANT LIGHT HARVESTING COMPLEX I(LHCI): SUBUNIT LHCA2 Chains: 2, 8
Molecule details ›
Chains: 2, 8
Length: 115 amino acids
Theoretical weight: 9.81 KDa
Source organism: Pisum sativum
PLANT LIGHT HARVESTING COMPLEX I(LHCI): SUBUNIT LHCA3 Chains: 3, 9
Molecule details ›
Chains: 3, 9
Length: 117 amino acids
Theoretical weight: 9.98 KDa
Source organism: Pisum sativum
PLANT LIGHT HARVESTING COMPLEX I(LHCI): SUBUNIT LHCA4 Chains: 0, 4
Molecule details ›
Chains: 0, 4
Length: 119 amino acids
Theoretical weight: 10.15 KDa
Source organism: Pisum sativum

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 182.283Å b: 190.376Å c: 220.253Å
α: 90° β: 90.48° γ: 90°
R-values:
R R work R free
0.41 0.41 0.42