Function and Biology Details
Reactions catalysed:
2 H(2)O + 2 plastoquinone + 4 light = O(2) + 2 plastoquinol
Reduced plastocyanin + oxidized ferredoxin + light = oxidized plastocyanin + reduced ferredoxin
Biochemical function:
Biological process:
Cellular component:
Structure analysis Details
Assembly composition:
hetero heptadecamer (preferred)
PDBe Complex ID:
PDB-CPX-226729 (preferred)
Entry contents:
17 distinct polypeptide molecules
Macromolecules (17 distinct):
Photosystem II protein D1 2
Chain: A
Molecule details ›
Chain: A
Length: 344 amino acids
Theoretical weight: 38.28 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosynthetic reaction centre protein
Length: 344 amino acids
Theoretical weight: 38.28 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P16033 (Residues: 1-344; Coverage: 96%)
Sequence domains: Photosynthetic reaction centre protein
Photosystem II D2 protein
Chain: D
Molecule details ›
Chain: D
Length: 336 amino acids
Theoretical weight: 37.82 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosynthetic reaction centre protein
Length: 336 amino acids
Theoretical weight: 37.82 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P09192 (Residues: 2-330; Coverage: 94%)
Sequence domains: Photosynthetic reaction centre protein
Cytochrome b559 subunit alpha
Chain: E
Molecule details ›
Chain: E
Length: 81 amino acids
Theoretical weight: 9.45 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains:
Length: 81 amino acids
Theoretical weight: 9.45 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P09190 (Residues: 1-81; Coverage: 100%)
Sequence domains:
Cytochrome b559 subunit beta
Chain: F
Molecule details ›
Chain: F
Length: 44 amino acids
Theoretical weight: 4.94 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits
Length: 44 amino acids
Theoretical weight: 4.94 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P09191 (Residues: 1-44; Coverage: 100%)
Sequence domains: Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits
Photosystem II reaction center protein I
Chain: I
Molecule details ›
Chain: I
Length: 38 amino acids
Theoretical weight: 4.31 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem II reaction centre I protein (PSII 4.8 kDa protein)
Length: 38 amino acids
Theoretical weight: 4.31 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
Q54697 (Residues: 1-38; Coverage: 100%)
Sequence domains: Photosystem II reaction centre I protein (PSII 4.8 kDa protein)
Photosystem II assembly lipoprotein Ycf48
Chain: S
Molecule details ›
Chain: S
Length: 342 amino acids
Theoretical weight: 37.32 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Length: 342 amino acids
Theoretical weight: 37.32 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P73069 (Residues: 1-342; Coverage: 100%)
Photosystem I P700 chlorophyll a apoprotein A1
Chain: a
Molecule details ›
Chain: a
Length: 751 amino acids
Theoretical weight: 83.04 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I psaA/psaB protein
Length: 751 amino acids
Theoretical weight: 83.04 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P29254 (Residues: 1-751; Coverage: 100%)
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I P700 chlorophyll a apoprotein A2
Chain: b
Molecule details ›
Chain: b
Length: 731 amino acids
Theoretical weight: 81.37 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I psaA/psaB protein
Length: 731 amino acids
Theoretical weight: 81.37 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P29255 (Residues: 1-731; Coverage: 100%)
Sequence domains: Photosystem I psaA/psaB protein
Photosystem I iron-sulfur center
Chain: c
Molecule details ›
Chain: c
Length: 81 amino acids
Theoretical weight: 8.84 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: 4Fe-4S dicluster domain
Length: 81 amino acids
Theoretical weight: 8.84 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P32422 (Residues: 1-81; Coverage: 100%)
Sequence domains: 4Fe-4S dicluster domain
Photosystem I reaction center subunit II
Chain: d
Molecule details ›
Chain: d
Length: 141 amino acids
Theoretical weight: 15.66 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: PsaD
Length: 141 amino acids
Theoretical weight: 15.66 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P19569 (Residues: 1-141; Coverage: 100%)
Sequence domains: PsaD
Photosystem I reaction center subunit IV
Chain: e
Molecule details ›
Chain: e
Length: 74 amino acids
Theoretical weight: 8.15 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I reaction centre subunit IV / PsaE
Length: 74 amino acids
Theoretical weight: 8.15 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P12975 (Residues: 1-74; Coverage: 100%)
Sequence domains: Photosystem I reaction centre subunit IV / PsaE
Photosystem I reaction center subunit III
Chain: f
Molecule details ›
Chain: f
Length: 165 amino acids
Theoretical weight: 18.27 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I reaction centre subunit III
Length: 165 amino acids
Theoretical weight: 18.27 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P29256 (Residues: 1-165; Coverage: 100%)
Sequence domains: Photosystem I reaction centre subunit III
Photosystem I reaction center subunit VIII
Chain: i
Molecule details ›
Chain: i
Length: 40 amino acids
Theoretical weight: 4.41 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I reaction centre subunit VIII
Length: 40 amino acids
Theoretical weight: 4.41 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
Q55330 (Residues: 1-40; Coverage: 100%)
Sequence domains: Photosystem I reaction centre subunit VIII
Photosystem I reaction center subunit IX
Chain: j
Molecule details ›
Chain: j
Length: 40 amino acids
Theoretical weight: 4.54 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I reaction centre subunit IX / PsaJ
Length: 40 amino acids
Theoretical weight: 4.54 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
Q55329 (Residues: 1-40; Coverage: 100%)
Sequence domains: Photosystem I reaction centre subunit IX / PsaJ
Photosystem I reaction center subunit PsaK 1
Chain: k
Molecule details ›
Chain: k
Length: 86 amino acids
Theoretical weight: 8.65 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I psaG / psaK
Length: 86 amino acids
Theoretical weight: 8.65 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P72712 (Residues: 1-86; Coverage: 100%)
Sequence domains: Photosystem I psaG / psaK
Photosystem I reaction center subunit XI
Chain: l
Molecule details ›
Chain: l
Length: 157 amino acids
Theoretical weight: 16.63 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I reaction centre subunit XI
Length: 157 amino acids
Theoretical weight: 16.63 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P37277 (Residues: 1-157; Coverage: 100%)
Sequence domains: Photosystem I reaction centre subunit XI
Photosystem I reaction center subunit XII
Chain: m
Molecule details ›
Chain: m
Length: 31 amino acids
Theoretical weight: 3.38 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
Sequence domains: Photosystem I protein M (PsaM)
Length: 31 amino acids
Theoretical weight: 3.38 KDa
Source organism: Synechocystis sp. PCC 6803
Expression system: Synechocystis sp. PCC 6803
UniProt:
- Canonical:
P72986 (Residues: 1-31; Coverage: 100%)
Sequence domains: Photosystem I protein M (PsaM)