Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

ChainsDomain InfoClassFoldSuperfamilyFamilyDomainSpeciesProvenance Source (Version)
Ad4kt0a_ Membrane and cell surface proteins and peptides Photosystem I subunits PsaA/PsaB Photosystem I subunits PsaA/PsaB Photosystem I subunits PsaA/PsaB automated matches (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], SCOPe (2.08)
Bd4kt0b_ Membrane and cell surface proteins and peptides Photosystem I subunits PsaA/PsaB Photosystem I subunits PsaA/PsaB Photosystem I subunits PsaA/PsaB automated matches (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], SCOPe (2.08)
Cd4kt0c_ Alpha and beta proteins (a+b) Ferredoxin-like 4Fe-4S ferredoxins 7-Fe ferredoxin automated matches (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], SCOPe (2.08)
Dd4kt0d_ Alpha and beta proteins (a+b) Photosystem I subunit PsaD Photosystem I subunit PsaD Photosystem I subunit PsaD automated matches (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], SCOPe (2.08)
Ed4kt0e_ All beta proteins SH3-like barrel Electron transport accessory proteins Photosystem I accessory protein E (PsaE) Photosystem I accessory protein E (PsaE) (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], SCOPe (2.08)
Fd4kt0f_ Membrane and cell surface proteins and peptides Single transmembrane helix Subunit III of photosystem I reaction centre, PsaF Subunit III of photosystem I reaction centre, PsaF automated matches (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], SCOPe (2.08)
G [auth J]d4kt0j_ Membrane and cell surface proteins and peptides Single transmembrane helix Subunit IX of photosystem I reaction centre, PsaJ Subunit IX of photosystem I reaction centre, PsaJ automated matches (Synechocystis sp. PCC 6803 ) [TaxId: 1148 ], SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074454 3000850 SCOP2B (2022-06-29)
BSCOP2 FamilyPhotosystem I subunits PsaA/PsaB 8074461 4002118 SCOP2 (2022-06-29)
BSCOP2 SuperfamilyPhotosystem I subunits PsaA/PsaB 8074462 3000850 SCOP2 (2022-06-29)
DSCOP2B SuperfamilyPhotosystem I subunit PsaD 8074480 3000951 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyElectron transport accessory proteins 8044474 3000325 SCOP2B (2022-06-29)
FSCOP2B SuperfamilySubunit III of photosystem I reaction centre, PsaF 8074438 3000813 SCOP2B (2022-06-29)
G [auth J]SCOP2 FamilySubunit IX of photosystem I reaction centre, PsaJ 8074511 4002101 SCOP2 (2022-06-29)
G [auth J]SCOP2 SuperfamilySubunit IX of photosystem I reaction centre, PsaJ 8074512 3000824 SCOP2 (2022-06-29)
I [auth M]SCOP2B SuperfamilySubunit XII of photosystem I reaction centre, PsaM 8074450 3000829 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APsaA_PsaB_Ce4kt0A1 A: alpha bundlesX: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)T: Bacterial photosystem II reaction centre L and M subunits-likeF: PsaA_PsaB_CECOD (1.6)
APsaA_PsaB_Ne4kt0A2 A: alpha bundlesX: Photosystem II antenna protein-like (From Topology)H: Photosystem II antenna protein-like (From Topology)T: Photosystem II antenna protein-likeF: PsaA_PsaB_NECOD (1.6)
BPsaA_PsaB_Ce4kt0B1 A: alpha bundlesX: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)T: Bacterial photosystem II reaction centre L and M subunits-likeF: PsaA_PsaB_CECOD (1.6)
BPsaA_PsaB_Ne4kt0B2 A: alpha bundlesX: Photosystem II antenna protein-like (From Topology)H: Photosystem II antenna protein-like (From Topology)T: Photosystem II antenna protein-likeF: PsaA_PsaB_NECOD (1.6)
CFer4_21_1e4kt0C1 A: a+b two layersX: 4Fe-4S ferredoxin (From Topology)H: 4Fe-4S ferredoxin (From Topology)T: 4Fe-4S ferredoxinF: Fer4_21_1ECOD (1.6)
DPsaDe4kt0D1 A: a+b two layersX: Photosystem I subunit PsaD (From Topology)H: Photosystem I subunit PsaD (From Topology)T: Photosystem I subunit PsaDF: PsaDECOD (1.6)
EPSI_PsaEe4kt0E1 A: beta barrelsX: SH3H: SH3T: SH3F: PSI_PsaEECOD (1.6)
FPSI_PsaFe4kt0F1 A: extended segmentsX: Subunit III of photosystem I reaction centre, PsaF (From Topology)H: Subunit III of photosystem I reaction centre, PsaF (From Topology)T: Subunit III of photosystem I reaction centre, PsaFF: PSI_PsaFECOD (1.6)
G [auth J]PSI_PsaJe4kt0J1 A: extended segmentsX: Subunit IX of photosystem I reaction centre, PsaJ (From Topology)H: Subunit IX of photosystem I reaction centre, PsaJ (From Topology)T: Subunit IX of photosystem I reaction centre, PsaJF: PSI_PsaJECOD (1.6)
H [auth K]PSI_PSAKe4kt0K1 A: alpha bundlesX: Photosystem I reaction center subunit X, PsaK (From Topology)H: Photosystem I reaction center subunit X, PsaK (From Topology)T: Photosystem I reaction center subunit X, PsaKF: PSI_PSAKECOD (1.6)
I [auth M]PsaMe4kt0M1 A: extended segmentsX: Subunit XII of photosystem I reaction centre, PsaM (From Topology)H: Subunit XII of photosystem I reaction centre, PsaM (From Topology)T: Subunit XII of photosystem I reaction centre, PsaMF: PsaMECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00223Photosystem I psaA/psaB protein (PsaA_PsaB)Photosystem I psaA/psaB protein- Family
PF00223Photosystem I psaA/psaB protein (PsaA_PsaB)Photosystem I psaA/psaB protein- Family
PF128384Fe-4S dicluster domain (Fer4_7)4Fe-4S dicluster domainSuperfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.
Domain
PF02531PsaD (PsaD)PsaD- Family
PF02427Photosystem I reaction centre subunit IV / PsaE (PSI_PsaE)Photosystem I reaction centre subunit IV / PsaEPsaE is a 69 amino acid polypeptide from photosystem I present on the stromal side of the thylakoid membrane [1]. The structure is comprised of a well-defined five-stranded beta-sheet similar to SH3 domains [1].Domain
PF02507Photosystem I reaction centre subunit III (PSI_PsaF)Photosystem I reaction centre subunit III- Family
G [auth J]PF01701Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)Photosystem I reaction centre subunit IX / PsaJ- Family
H [auth K]PF01241Photosystem I psaG / psaK (PSI_PSAK)Photosystem I psaG / psaK- Family
I [auth M]PF07465Photosystem I protein M (PsaM) (PsaM)Photosystem I protein M (PsaM)- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Photosystem I P700 chlorophyll a apoprotein A1
Photosystem I P700 chlorophyll a apoprotein A2
Photosystem I iron-sulfur center
Photosystem I subunit II-
Photosystem I reaction center subunit IV-
Photosystem I subunit III-
G [auth J]Photosystem I reaction center subunit IX-
H [auth K]Photosystem I reaction center subunit PsaK-
I [auth M]Photosystem I reaction center subunit XII-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR036408Photosystem I PsaA/PsaB superfamilyHomologous Superfamily
IPR001280Photosystem I PsaA/PsaBFamily
IPR006243Photosystem I PsaAFamily
IPR020586Photosystem I PsaA/PsaB, conserved siteConserved Site
IPR036408Photosystem I PsaA/PsaB superfamilyHomologous Superfamily
IPR001280Photosystem I PsaA/PsaBFamily
IPR006244Photosystem I PsaBFamily
IPR020586Photosystem I PsaA/PsaB, conserved siteConserved Site
IPR0179004Fe-4S ferredoxin, iron-sulphur binding, conserved siteConserved Site
IPR050157Photosystem I iron-sulfur centerFamily
IPR0178964Fe-4S ferredoxin-type, iron-sulphur binding domainDomain
IPR017491Photosystem I protein PsaCFamily
IPR003685Photosystem I PsaDFamily
IPR036579Photosystem I, reaction centre subunit PsaD superfamilyHomologous Superfamily
IPR008990Electron transport accessory-like domain superfamilyHomologous Superfamily
IPR003375Photosystem I PsaE, reaction centre subunit IVFamily
IPR036577Photosystem I PsaF, reaction centre subunit III superfamilyHomologous Superfamily
IPR003666Photosystem I PsaF, reaction centre subunit IIIFamily
G [auth J]IPR002615Photosystem I PsaJ, reaction centre subunit IXFamily
G [auth J]IPR036062Photosystem I PsaJ, reaction centre subunit IX superfamilyHomologous Superfamily
H [auth K]IPR037101Photosystem I reaction centre subunit PsaKHomologous Superfamily
H [auth K]IPR000549Photosystem I reaction center subunit V/PsaKFamily
H [auth K]IPR035982Photosystem I reaction centre subunit PsaK superfamilyHomologous Superfamily
H [auth K]IPR017492Photosystem I reaction center subunit PsaKFamily
I [auth M]IPR010010Photosystem I PsaM, reaction centreFamily
I [auth M]IPR037279Photosystem I PsaM, reaction centre superfamilyHomologous Superfamily