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Chlamydomonas reinhardtii TSP9 mutant small Photosystem I complex

Electron Microscopy
2.52Å resolution
PDB entry 7r3k coloured by chain, front view.
PDB entry 7r3k coloured by chain, side view.
PDB entry 7r3k coloured by chain, top view.
Source organism: Chlamydomonas reinhardtii
Assembly composition:
hetero octadecamer (preferred)
Entry contents: 17 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Photosystem I
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Multimeric state: hetero octadecamer
PDBe Complex ID: PDB-CPX-227048

Macromolecules

Photosystem I P700 chlorophyll a apoprotein A1
Chain: A
Length: 751 amino acids
Theoretical weight: 83.24 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P12154 (Residues: 1-751; Coverage: 100%)
Gene names: ps1a1, psaA
Pfam: Photosystem I psaA/psaB protein
InterPro:
Photosystem I P700 chlorophyll a apoprotein A1 in PDB entry 7r3k, assembly 1, front view.
Photosystem I P700 chlorophyll a apoprotein A1 in PDB entry 7r3k, assembly 1, side view.
Photosystem I P700 chlorophyll a apoprotein A1 in PDB entry 7r3k, assembly 1, top view.
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Photosystem I P700 chlorophyll a apoprotein A2
Chain: B
Length: 735 amino acids
Theoretical weight: 82.18 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P09144 (Residues: 1-735; Coverage: 100%)
Gene names: ps1a2, psaB
Pfam: Photosystem I psaA/psaB protein
InterPro:
Photosystem I P700 chlorophyll a apoprotein A2 in PDB entry 7r3k, assembly 1, front view.
Photosystem I P700 chlorophyll a apoprotein A2 in PDB entry 7r3k, assembly 1, side view.
Photosystem I P700 chlorophyll a apoprotein A2 in PDB entry 7r3k, assembly 1, top view.
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Photosystem I iron-sulfur center
Chain: C
Length: 81 amino acids
Theoretical weight: 8.87 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q00914 (Residues: 1-81; Coverage: 100%)
Gene name: psaC
Pfam: 4Fe-4S dicluster domain
InterPro:
Photosystem I iron-sulfur center in PDB entry 7r3k, assembly 1, front view.
Photosystem I iron-sulfur center in PDB entry 7r3k, assembly 1, side view.
Photosystem I iron-sulfur center in PDB entry 7r3k, assembly 1, top view.
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Photosystem I reaction center subunit II, chloroplastic
Chain: D
Length: 196 amino acids
Theoretical weight: 21.4 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q39615 (Residues: 1-196; Coverage: 100%)
Gene name: psaD
Pfam: PsaD
InterPro:
Photosystem I reaction center subunit II, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Photosystem I reaction center subunit II, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Photosystem I reaction center subunit II, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Photosystem I reaction center subunit IV, chloroplastic
Chain: E
Length: 97 amino acids
Theoretical weight: 10.79 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P12352 (Residues: 1-97; Coverage: 100%)
Gene name: PSAE
Pfam: Photosystem I reaction centre subunit IV / PsaE
InterPro:
Photosystem I reaction center subunit IV, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Photosystem I reaction center subunit IV, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Photosystem I reaction center subunit IV, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Photosystem I reaction center subunit III, chloroplastic
Chain: F
Length: 227 amino acids
Theoretical weight: 24.09 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P12356 (Residues: 1-227; Coverage: 100%)
Gene name: PSAF
Pfam: Photosystem I reaction centre subunit III
InterPro:
Photosystem I reaction center subunit III, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Photosystem I reaction center subunit III, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Photosystem I reaction center subunit III, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Photosystem I reaction center subunit V, chloroplastic
Chain: G
Length: 126 amino acids
Theoretical weight: 13.24 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P14224 (Residues: 1-126; Coverage: 100%)
Gene name: PSAG
Pfam: Photosystem I psaG / psaK
InterPro:
Photosystem I reaction center subunit V, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Photosystem I reaction center subunit V, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Photosystem I reaction center subunit V, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Photosystem I reaction center subunit VIII
Chain: I
Length: 106 amino acids
Theoretical weight: 10.59 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: A8IFG7 (Residues: 1-106; Coverage: 100%)
Gene name: CHLRE_03g165100v5
Pfam: Photosystem I reaction centre subunit VIII
InterPro:
Photosystem I reaction center subunit VIII in PDB entry 7r3k, assembly 1, front view.
Photosystem I reaction center subunit VIII in PDB entry 7r3k, assembly 1, side view.
Photosystem I reaction center subunit VIII in PDB entry 7r3k, assembly 1, top view.
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Photosystem I reaction center subunit IX
Chain: J
Length: 41 amino acids
Theoretical weight: 4.75 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P59777 (Residues: 1-41; Coverage: 100%)
Gene name: psaJ
Pfam: Photosystem I reaction centre subunit IX / PsaJ
InterPro:
Photosystem I reaction center subunit IX in PDB entry 7r3k, assembly 1, front view.
Photosystem I reaction center subunit IX in PDB entry 7r3k, assembly 1, side view.
Photosystem I reaction center subunit IX in PDB entry 7r3k, assembly 1, top view.
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Photosystem I reaction center subunit psaK, chloroplastic
Chain: K
Length: 113 amino acids
Theoretical weight: 11.21 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: P14225 (Residues: 1-113; Coverage: 100%)
Gene name: PSAK
Pfam: Photosystem I psaG / psaK
InterPro:
Photosystem I reaction center subunit psaK, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Photosystem I reaction center subunit psaK, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Photosystem I reaction center subunit psaK, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Chlorophyll a-b binding protein, chloroplastic
Chains: 1, Z
Length: 228 amino acids
Theoretical weight: 23.92 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q05093 (Residues: 1-228; Coverage: 100%)
Gene names: CHLRE_06g283050v5, LhcI-6, Lhca1
Pfam: Chlorophyll A-B binding protein
InterPro:
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Chlorophyll a-b binding protein, chloroplastic
Chain: 3
Length: 298 amino acids
Theoretical weight: 32.63 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY9 (Residues: 1-267; Coverage: 100%)
Gene names: CHLRE_11g467573v5, LhcI-2
Pfam: Chlorophyll A-B binding protein
InterPro:
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Chlorophyll a-b binding protein, chloroplastic
Chain: 7
Length: 241 amino acids
Theoretical weight: 26.25 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q84Y02 (Residues: 1-241; Coverage: 100%)
Gene names: CHLRE_16g687900v5, Lhca
Pfam: Chlorophyll A-B binding protein
InterPro:
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Chlorophyll a-b binding protein, chloroplastic
Chain: 8
Length: 243 amino acids
Theoretical weight: 25.95 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY7 (Residues: 1-243; Coverage: 100%)
Gene names: CHLRE_06g272650v5, LhcI-4
Pfam: Chlorophyll A-B binding protein
InterPro:
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Chlorophyll a-b binding protein, chloroplastic
Chain: 4
Length: 264 amino acids
Theoretical weight: 28.73 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VZ0 (Residues: 1-264; Coverage: 100%)
Gene names: CHLRE_10g452050v5, LhcI-1
Pfam: Chlorophyll A-B binding protein
InterPro:
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Chlorophyll a-b binding protein, chloroplastic
Chain: 5
Length: 257 amino acids
Theoretical weight: 28.26 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY8 (Residues: 1-257; Coverage: 100%)
Gene names: CHLRE_10g425900v5, LhcI-3
Pfam: Chlorophyll A-B binding protein
InterPro:
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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Chlorophyll a-b binding protein, chloroplastic
Chain: 6
Length: 257 amino acids
Theoretical weight: 27.81 KDa
Source organism: Chlamydomonas reinhardtii
UniProt:
  • Canonical: Q75VY6 (Residues: 1-257; Coverage: 100%)
Gene names: CHLRE_06g278213v5, LhcI-5
Pfam: Chlorophyll A-B binding protein
InterPro:
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, front view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, side view.
Chlorophyll a-b binding protein, chloroplastic in PDB entry 7r3k, assembly 1, top view.
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