› 7o01

Electron Microscopy
17.1Å resolution

Dimeric Photosystem I of a temperature sensitive mutant Chlamydomonas reinhardtii

Released:
DOI: 10.2210/pdb7o01/pdb
PDB entry 7o01 coloured by chain, front view.
PDB entry 7o01 coloured by chain, side view.
PDB entry 7o01 coloured by chain, top view.
Source organism: Chlamydomonas reinhardtii
Primary publication:
Dimeric and high-resolution structures of Chlamydomonas Photosystem I from a temperature-sensitive Photosystem II mutant
Caspy I, Schwartz T, Bayro-Kaiser V, Fadeeva M, Kessel A, Ben-Tal N, Nelson N
Commun Biol 4 1380- (2021)
Related structures: EMD-12672

Function and Biology Details

Reaction catalysed: 
Reduced plastocyanin + oxidized ferredoxin + light = oxidized plastocyanin + reduced ferredoxin
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero 40-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-108675 (preferred)
Entry contents:
20 distinct polypeptide molecules
Macromolecules (20 distinct):
Photosystem I P700 chlorophyll a apoprotein A1 Chains: A, a
Molecule details ›
Chains: A, a
Length: 741 amino acids
Theoretical weight: 82.12 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P12154 (Residues: 11-751; Coverage: 99%)
Gene names: ps1a1, psaA
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I P700 chlorophyll a apoprotein A2 Chains: B, b
Molecule details ›
Chains: B, b
Length: 733 amino acids
Theoretical weight: 82 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P09144 (Residues: 2-734; Coverage: 100%)
Gene names: ps1a2, psaB
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I iron-sulfur center Chains: C, c
Molecule details ›
Chains: C, c
Length: 80 amino acids
Theoretical weight: 8.74 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q00914 (Residues: 2-81; Coverage: 99%)
Gene name: psaC
Sequence domains: 4Fe-4S dicluster domain
Photosystem I reaction center subunit II, chloroplastic Chains: D, d
Molecule details ›
Chains: D, d
Length: 144 amino acids
Theoretical weight: 16.15 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q39615 (Residues: 53-196; Coverage: 74%)
Gene name: psaD
Sequence domains: PsaD
Photosystem I reaction center subunit IV, chloroplastic Chains: E, e
Molecule details ›
Chains: E, e
Length: 63 amino acids
Theoretical weight: 7.02 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P12352 (Residues: 34-96; Coverage: 65%)
Gene name: PSAE
Sequence domains: Photosystem I reaction centre subunit IV / PsaE
Photosystem I reaction center subunit III, chloroplastic Chains: F, f
Molecule details ›
Chains: F, f
Length: 165 amino acids
Theoretical weight: 17.96 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P12356 (Residues: 63-227; Coverage: 73%)
Gene name: PSAF
Sequence domains: Photosystem I reaction centre subunit III
Photosystem I reaction center subunit V, chloroplastic Chains: G, g
Molecule details ›
Chains: G, g
Length: 91 amino acids
Theoretical weight: 9.57 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P14224 (Residues: 32-122; Coverage: 72%)
Gene name: PSAG
Sequence domains: Photosystem I psaG / psaK
Photosystem I reaction center subunit VIII Chains: I, i
Molecule details ›
Chains: I, i
Length: 37 amino acids
Theoretical weight: 3.97 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: A8IFG7 (Residues: 68-104; Coverage: 35%)
Gene name: CHLRE_03g165100v5
Sequence domains: Photosystem I reaction centre subunit VIII
Photosystem I reaction center subunit IX Chains: J, j
Molecule details ›
Chains: J, j
Length: 39 amino acids
Theoretical weight: 4.52 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P59777 (Residues: 1-39; Coverage: 95%)
Gene name: psaJ
Sequence domains: Photosystem I reaction centre subunit IX / PsaJ
Photosystem I reaction center subunit psaK, chloroplastic Chains: K, k
Molecule details ›
Chains: K, k
Length: 84 amino acids
Theoretical weight: 8.15 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P14225 (Residues: 29-112; Coverage: 74%)
Gene name: PSAK
Sequence domains: Photosystem I psaG / psaK
PSI subunit V Chains: L, l
Molecule details ›
Chains: L, l
Length: 138 amino acids
Theoretical weight: 14.13 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: A8IL32 (Residues: 53-190; Coverage: 70%)
Gene name: CHLRE_12g486300v5
Sequence domains: Photosystem I reaction centre subunit XI
Chlorophyll a-b binding protein, chloroplastic Chains: 1, Z, p, z
Molecule details ›
Chains: 1, Z, p, z
Length: 194 amino acids
Theoretical weight: 20.37 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q05093 (Residues: 35-228; Coverage: 85%)
Gene names: CHLRE_06g283050v5, LhcI-6, Lhca1
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chains: 3, q
Molecule details ›
Chains: 3, q
Length: 219 amino acids
Theoretical weight: 23.69 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY9 (Residues: 45-263; Coverage: 82%)
Gene names: CHLRE_11g467573v5, LhcI-2
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chains: 7, r
Molecule details ›
Chains: 7, r
Length: 213 amino acids
Theoretical weight: 23.3 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q84Y02 (Residues: 29-241; Coverage: 88%)
Gene names: CHLRE_16g687900v5, Lhca
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chains: 8, s
Molecule details ›
Chains: 8, s
Length: 217 amino acids
Theoretical weight: 23.29 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY7 (Residues: 27-243; Coverage: 89%)
Gene names: CHLRE_06g272650v5, LhcI-4
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chains: 4, t
Molecule details ›
Chains: 4, t
Length: 210 amino acids
Theoretical weight: 23.02 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VZ0 (Residues: 55-264; Coverage: 80%)
Gene names: CHLRE_10g452050v5, LhcI-1
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chains: 5, u
Molecule details ›
Chains: 5, u
Length: 227 amino acids
Theoretical weight: 25.12 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY8 (Residues: 31-257; Coverage: 88%)
Gene names: CHLRE_10g425900v5, LhcI-3
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chains: 6, v
Molecule details ›
Chains: 6, v
Length: 229 amino acids
Theoretical weight: 24.94 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY6 (Residues: 29-257; Coverage: 89%)
Gene names: CHLRE_06g278213v5, LhcI-5
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chain: 2
Molecule details ›
Chain: 2
Length: 198 amino acids
Theoretical weight: 21.66 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: A8IKC8 (Residues: 28-225; Coverage: 81%)
Gene name: CHLRE_12g508750v5
Sequence domains: Chlorophyll A-B binding protein
Chlorophyll a-b binding protein, chloroplastic Chain: 9
Molecule details ›
Chain: 9
Length: 183 amino acids
Theoretical weight: 19.93 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: A8ITV3 (Residues: 28-210; Coverage: 86%)
Gene name: CHLRE_07g344950v5
Sequence domains: Chlorophyll A-B binding protein

Ligands and Environments

No bound ligands
1 modified residue:
Ligand SNC 2 x SNC

Experiments and Validation Details

Entry percentile scores
Resolution: 17.1Å
Relevant EMDB volumes: EMD-12672

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