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structure of PSI-11CAC complex at Logrithmic growth phase

Electron Microscopy
3Å resolution
PDB entry 8wmj coloured by chain, front view.
PDB entry 8wmj coloured by chain, side view.
PDB entry 8wmj coloured by chain, top view.
Source organism: Rhodomonas salina
Assembly composition:
hetero 25-mer (preferred)
Entry contents: 24 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 25-mer
Accessible surface area: 150362.02 Å2
Buried surface area: 428100.54 Å2
Dissociation area: 1,398.62 Å2
Dissociation energy (ΔGdiss): 0.8 kcal/mol
Dissociation entropy (TΔSdiss): 11.3 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-244726

Macromolecules

Photosystem I P700 chlorophyll a apoprotein A1
Chain: A
Length: 752 amino acids
Theoretical weight: 83.43 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVZ7 (Residues: 1-752; Coverage: 100%)
Gene name: psaA
Pfam: Photosystem I psaA/psaB protein
Photosystem I P700 chlorophyll a apoprotein A1 in PDB entry 8wmj, assembly 1, front view.
Photosystem I P700 chlorophyll a apoprotein A1 in PDB entry 8wmj, assembly 1, side view.
Photosystem I P700 chlorophyll a apoprotein A1 in PDB entry 8wmj, assembly 1, top view.
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Photosystem I P700 chlorophyll a apoprotein A2
Chain: B
Length: 734 amino acids
Theoretical weight: 82.07 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVZ6 (Residues: 1-734; Coverage: 100%)
Gene name: psaB
Pfam: Photosystem I psaA/psaB protein
Photosystem I P700 chlorophyll a apoprotein A2 in PDB entry 8wmj, assembly 1, front view.
Photosystem I P700 chlorophyll a apoprotein A2 in PDB entry 8wmj, assembly 1, side view.
Photosystem I P700 chlorophyll a apoprotein A2 in PDB entry 8wmj, assembly 1, top view.
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Photosystem I iron-sulfur center
Chain: C
Length: 81 amino acids
Theoretical weight: 8.76 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVS8 (Residues: 1-81; Coverage: 100%)
Gene name: psaC
Pfam: 4Fe-4S dicluster domain
Photosystem I iron-sulfur center in PDB entry 8wmj, assembly 1, front view.
Photosystem I iron-sulfur center in PDB entry 8wmj, assembly 1, side view.
Photosystem I iron-sulfur center in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit II
Chain: D
Length: 141 amino acids
Theoretical weight: 15.59 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVZ1 (Residues: 1-141; Coverage: 100%)
Gene name: psaD
Pfam: PsaD
Photosystem I reaction center subunit II in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit II in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit II in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit IV
Chain: E
Length: 64 amino acids
Theoretical weight: 7.31 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MW36 (Residues: 1-64; Coverage: 100%)
Gene name: psaE
Pfam: Photosystem I reaction centre subunit IV / PsaE
Photosystem I reaction center subunit IV in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit IV in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit IV in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit III
Chain: F
Length: 188 amino acids
Theoretical weight: 20.82 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVU7 (Residues: 1-188; Coverage: 100%)
Gene name: psaF
Pfam: Photosystem I reaction centre subunit III
Photosystem I reaction center subunit III in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit III in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit III in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit VIII
Chain: I
Length: 36 amino acids
Theoretical weight: 3.93 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVV1 (Residues: 1-36; Coverage: 100%)
Gene name: psaI
Pfam: Photosystem I reaction centre subunit VIII
Photosystem I reaction center subunit VIII in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit VIII in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit VIII in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit IX
Chain: J
Length: 42 amino acids
Theoretical weight: 4.97 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVU6 (Residues: 1-42; Coverage: 100%)
Gene name: psaJ
Pfam: Photosystem I reaction centre subunit IX / PsaJ
Photosystem I reaction center subunit IX in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit IX in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit IX in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit XI
Chain: L
Length: 153 amino acids
Theoretical weight: 16.48 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVV8 (Residues: 1-153; Coverage: 100%)
Gene name: psaL
Pfam: Photosystem I reaction centre subunit XI
Photosystem I reaction center subunit XI in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit XI in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit XI in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit XII
Chain: M
Length: 30 amino acids
Theoretical weight: 3.32 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVT4 (Residues: 1-30; Coverage: 100%)
Gene name: psaM
Pfam: Photosystem I protein M (PsaM)
Photosystem I reaction center subunit XII in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit XII in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit XII in PDB entry 8wmj, assembly 1, top view.
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Photosystem I reaction center subunit PsaK
Chain: K
Length: 87 amino acids
Theoretical weight: 8.72 KDa
Source organism: Rhodomonas salina
UniProt:
  • Canonical: A6MVS9 (Residues: 1-87; Coverage: 100%)
Gene name: psaK
Pfam: Photosystem I psaG / psaK
Photosystem I reaction center subunit PsaK in PDB entry 8wmj, assembly 1, front view.
Photosystem I reaction center subunit PsaK in PDB entry 8wmj, assembly 1, side view.
Photosystem I reaction center subunit PsaK in PDB entry 8wmj, assembly 1, top view.
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chain s
Chain: s
Length: 269 amino acids
Theoretical weight: 27.97 KDa
Source organism: Rhodomonas salina
chain s in PDB entry 8wmj, assembly 1, front view.
chain s in PDB entry 8wmj, assembly 1, side view.
chain s in PDB entry 8wmj, assembly 1, top view.
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CAC-c
Chain: c
Length: 216 amino acids
Theoretical weight: 23.78 KDa
Source organism: Rhodomonas salina
CAC-c in PDB entry 8wmj, assembly 1, front view.
CAC-c in PDB entry 8wmj, assembly 1, side view.
CAC-c in PDB entry 8wmj, assembly 1, top view.
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CAC-a
Chain: a
Length: 216 amino acids
Theoretical weight: 23.33 KDa
Source organism: Rhodomonas salina
CAC-a in PDB entry 8wmj, assembly 1, front view.
CAC-a in PDB entry 8wmj, assembly 1, side view.
CAC-a in PDB entry 8wmj, assembly 1, top view.
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CAC-b
Chain: b
Length: 223 amino acids
Theoretical weight: 23.5 KDa
Source organism: Rhodomonas salina
CAC-b in PDB entry 8wmj, assembly 1, front view.
CAC-b in PDB entry 8wmj, assembly 1, side view.
CAC-b in PDB entry 8wmj, assembly 1, top view.
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CAC-h
Chain: h
Length: 225 amino acids
Theoretical weight: 23.13 KDa
Source organism: Rhodomonas salina
CAC-h in PDB entry 8wmj, assembly 1, front view.
CAC-h in PDB entry 8wmj, assembly 1, side view.
CAC-h in PDB entry 8wmj, assembly 1, top view.
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CAC-j
Chains: j, m
Length: 212 amino acids
Theoretical weight: 22.27 KDa
Source organism: Rhodomonas salina
CAC-j in PDB entry 8wmj, assembly 1, front view.
CAC-j in PDB entry 8wmj, assembly 1, side view.
CAC-j in PDB entry 8wmj, assembly 1, top view.
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CAC-l
Chain: l
Length: 238 amino acids
Theoretical weight: 25.91 KDa
Source organism: Rhodomonas salina
CAC-l in PDB entry 8wmj, assembly 1, front view.
CAC-l in PDB entry 8wmj, assembly 1, side view.
CAC-l in PDB entry 8wmj, assembly 1, top view.
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CAC-k
Chain: k
Length: 241 amino acids
Theoretical weight: 25.59 KDa
Source organism: Rhodomonas salina
CAC-k in PDB entry 8wmj, assembly 1, front view.
CAC-k in PDB entry 8wmj, assembly 1, side view.
CAC-k in PDB entry 8wmj, assembly 1, top view.
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CAC-i
Chain: i
Length: 218 amino acids
Theoretical weight: 23.08 KDa
Source organism: Rhodomonas salina
CAC-i in PDB entry 8wmj, assembly 1, front view.
CAC-i in PDB entry 8wmj, assembly 1, side view.
CAC-i in PDB entry 8wmj, assembly 1, top view.
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CAC-d
Chain: d
Length: 213 amino acids
Theoretical weight: 22.39 KDa
Source organism: Rhodomonas salina
CAC-d in PDB entry 8wmj, assembly 1, front view.
CAC-d in PDB entry 8wmj, assembly 1, side view.
CAC-d in PDB entry 8wmj, assembly 1, top view.
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PsaR
Chain: R
Length: 129 amino acids
Theoretical weight: 13.32 KDa
Source organism: Rhodomonas salina
PsaR in PDB entry 8wmj, assembly 1, front view.
PsaR in PDB entry 8wmj, assembly 1, side view.
PsaR in PDB entry 8wmj, assembly 1, top view.
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CAC-n
Chain: n
Length: 219 amino acids
Theoretical weight: 22.88 KDa
Source organism: Rhodomonas salina
CAC-n in PDB entry 8wmj, assembly 1, front view.
CAC-n in PDB entry 8wmj, assembly 1, side view.
CAC-n in PDB entry 8wmj, assembly 1, top view.
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PsaQ
Chain: Q
Length: 234 amino acids
Theoretical weight: 23.83 KDa
Source organism: Rhodomonas salina
PsaQ in PDB entry 8wmj, assembly 1, front view.
PsaQ in PDB entry 8wmj, assembly 1, side view.
PsaQ in PDB entry 8wmj, assembly 1, top view.
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