Structure analysis

PSI-AcpPCI supercomplex from Symbiodinium

Electron Microscopy
2.99Å resolution
Source organism: Symbiodinium
Assembly composition:
hetero 27-mer (preferred)
Entry contents: 27 distinct polypeptide molecules

Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero 27-mer
Accessible surface area: 204215.84 Å2
Buried surface area: 425812.9 Å2
Dissociation area: 2,473.33 Å2
Dissociation energy (ΔGdiss): -13.04 kcal/mol
Dissociation entropy (TΔSdiss): 28.34 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-268561

Macromolecules

Chain: I
Length: 200 amino acids
Theoretical weight: 21.84 KDa
Source organism: Symbiodinium

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Chain: K
Length: 177 amino acids
Theoretical weight: 19.6 KDa
Source organism: Symbiodinium

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Chain: z
Length: 78 amino acids
Theoretical weight: 6.66 KDa
Source organism: Symbiodinium

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Chain: y
Length: 131 amino acids
Theoretical weight: 11.17 KDa
Source organism: Symbiodinium

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Chain: G
Length: 224 amino acids
Theoretical weight: 24.56 KDa
Source organism: Symbiodinium

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Chain: A
Length: 189 amino acids
Theoretical weight: 20.09 KDa
Source organism: Symbiodinium

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Chain: c
Length: 86 amino acids
Theoretical weight: 9.43 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812FX01 (Residues: 84-169; Coverage: 57%)
Gene names: STRI2592_LOCUS156, psaC
Pfam: 4Fe-4S dicluster domain

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Chain: d
Length: 218 amino acids
Theoretical weight: 24.88 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812HMR4 (Residues: 84-301; Coverage: 78%)
Gene names: STRI2592_LOCUS2026, psaD
Pfam: PsaD

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Chain: e
Length: 73 amino acids
Theoretical weight: 8.27 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812XT83 (Residues: 54-126; Coverage: 67%)
Gene names: PSAE, SLIN2456_LOCUS27837
Pfam: Photosystem I reaction centre subunit IV / PsaE

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Chain: f
Length: 184 amino acids
Theoretical weight: 20.61 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812QHR9 (Residues: 72-255; Coverage: 78%)
Gene names: SLIN2456_LOCUS11972, psaF
Pfam: Photosystem I reaction centre subunit III

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Chain: h
Length: 131 amino acids
Theoretical weight: 15.22 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812Q823 (Residues: 87-217; Coverage: 66%)
Gene name: STRI2592_LOCUS20443

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Chain: i
Length: 119 amino acids
Theoretical weight: 13.7 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812IJ75 (Residues: 59-177; Coverage: 75%)
Gene name: STRI2592_LOCUS5050
Pfam: Photosystem I reaction centre subunit VIII

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Chain: j
Length: 98 amino acids
Theoretical weight: 11.15 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812LLR4 (Residues: 474-571; Coverage: 17%)
Gene name: SNAT2548_LOCUS11250

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Chain: l
Length: 250 amino acids
Theoretical weight: 27.71 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812S6M2 (Residues: 37-286; Coverage: 87%)
Gene names: STRI2592_LOCUS24809, psaL
Pfam: Photosystem I reaction centre subunit XI

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Chain: m
Length: 79 amino acids
Theoretical weight: 8.53 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A812M556 (Residues: 65-143; Coverage: 66%)
Gene names: SNAT2548_LOCUS13436, SNAT2548_LOCUS13437, SNAT2548_LOCUS13438

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Chain: a
Length: 670 amino acids
Theoretical weight: 75.79 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A0A0N2S9 (Residues: 3-672; Coverage: 100%)
Gene name: psaA
Pfam: Photosystem I psaA/psaB protein

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Chain: b
Length: 663 amino acids
Theoretical weight: 74.44 KDa
Source organism: Symbiodinium
UniProt:
  • Canonical: A0A0A0N2P0 (Residues: 35-697; Coverage: 95%)
Gene name: psaB
Pfam: Photosystem I psaA/psaB protein

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Chain: B
Length: 192 amino acids
Theoretical weight: 21.26 KDa
Source organism: Symbiodinium

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Chain: D
Length: 165 amino acids
Theoretical weight: 17.49 KDa
Source organism: Symbiodinium

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Chain: F
Length: 176 amino acids
Theoretical weight: 19.34 KDa
Source organism: Symbiodinium

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Chain: H
Length: 160 amino acids
Theoretical weight: 17.11 KDa
Source organism: Symbiodinium

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Chain: J
Length: 220 amino acids
Theoretical weight: 22.91 KDa
Source organism: Symbiodinium

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Chain: L
Length: 185 amino acids
Theoretical weight: 20.59 KDa
Source organism: Symbiodinium

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Chain: M
Length: 173 amino acids
Theoretical weight: 19.38 KDa
Source organism: Symbiodinium

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Chain: N
Length: 160 amino acids
Theoretical weight: 17.12 KDa
Source organism: Symbiodinium

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Chain: O
Length: 161 amino acids
Theoretical weight: 17.42 KDa
Source organism: Symbiodinium

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Chain: P
Length: 160 amino acids
Theoretical weight: 17.36 KDa
Source organism: Symbiodinium

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