Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
BSCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074462 3000850 SCOP2B (2022-06-29)
FSCOP2B SuperfamilySubunit III of photosystem I reaction centre, PsaF 8074438 3000813 SCOP2B (2022-06-29)
G [auth I]SCOP2 FamilySubunit VIII of photosystem I reaction centre, PsaI 8074503 4002098 SCOP2 (2022-06-29)
G [auth I]SCOP2 SuperfamilySubunit VIII of photosystem I reaction centre, PsaI 8074504 3000819 SCOP2 (2022-06-29)
H [auth J]SCOP2B SuperfamilySubunit IX of photosystem I reaction centre, PsaJ 8074512 3000824 SCOP2B (2022-06-29)
K [auth M]SCOP2B SuperfamilySubunit XII of photosystem I reaction centre, PsaM 8074450 3000829 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074454 3000850 SCOP2B (2022-06-29)
J [auth L]SCOP2B SuperfamilyPhotosystem I reaction center subunit XI, PsaL 8087170 3000870 SCOP2B (2022-06-29)
DSCOP2 FamilyPhotosystem I subunit PsaD 8074479 4003498 SCOP2 (2022-06-29)
DSCOP2 SuperfamilyPhotosystem I subunit PsaD 8074480 3000951 SCOP2 (2022-06-29)
ESCOP2B SuperfamilyElectron transport accessory proteins 8044474 3000325 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
BPsaA_PsaB_Ce6hqbB2 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_Ne6hqbB1 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_1e6hqbC1 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)
FPSI_PsaFe6hqbF1 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 I]PSI_8e6hqbI1 A: extended segmentsX: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)H: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)T: Subunit VIII of photosystem I reaction centre, PsaIF: PSI_8ECOD (1.6)
H [auth J]PSI_PsaJe6hqbJ1 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)
I [auth K]PSI_PSAKe6hqbK1 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)
K [auth M]PsaMe6hqbM1 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)
APsaA_PsaB_Ce6hqbA2 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_Ne6hqbA1 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)
J [auth L]PsaLe6hqbL1 A: alpha bundlesX: Photosystem I reaction center subunit XI, PsaL (From Topology)H: Photosystem I reaction center subunit XI, PsaL (From Topology)T: Photosystem I reaction center subunit XI, PsaLF: PsaLECOD (1.6)
DPsaDe6hqbD1 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_PsaEe6hqbE1 A: beta barrelsX: SH3H: SH3T: SH3F: PSI_PsaEECOD (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
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
PF02507Photosystem I reaction centre subunit III (PSI_PsaF)Photosystem I reaction centre subunit III- Family
G [auth I]PF00796Photosystem I reaction centre subunit VIII (PSI_8)Photosystem I reaction centre subunit VIII- Family
H [auth J]PF01701Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)Photosystem I reaction centre subunit IX / PsaJ- Family
I [auth K]PF01241Photosystem I psaG / psaK (PSI_PSAK)Photosystem I psaG / psaK- Family
K [auth M]PF07465Photosystem I protein M (PsaM) (PsaM)Photosystem I protein M (PsaM)- Family
PF00223Photosystem I psaA/psaB protein (PsaA_PsaB)Photosystem I psaA/psaB protein- Family
J [auth L]PF02605Photosystem I reaction centre subunit XI (PsaL)Photosystem I reaction centre subunit XI- Family
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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Photosystem I P700 chlorophyll a apoprotein A2
Photosystem I iron-sulfur center
Photosystem I reaction center subunit III-
G [auth I]Photosystem I reaction center subunit VIII-
H [auth J]Photosystem I reaction center subunit IX-
I [auth K]Photosystem I reaction center subunit PsaK 2-
K [auth M]Photosystem I reaction center subunit XII-
Photosystem I P700 chlorophyll a apoprotein A1
J [auth L]Photosystem I reaction center subunit XI-
Photosystem I reaction center subunit II-
Photosystem I reaction center subunit IV-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
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
IPR036577Photosystem I PsaF, reaction centre subunit III superfamilyHomologous Superfamily
IPR003666Photosystem I PsaF, reaction centre subunit IIIFamily
G [auth I]IPR036357Photosystem I reaction centre subunit VIII superfamilyHomologous Superfamily
G [auth I]IPR001302Photosystem I reaction centre subunit VIIIFamily
H [auth J]IPR002615Photosystem I PsaJ, reaction centre subunit IXFamily
H [auth J]IPR036062Photosystem I PsaJ, reaction centre subunit IX superfamilyHomologous Superfamily
I [auth K]IPR037101Photosystem I reaction centre subunit PsaKHomologous Superfamily
I [auth K]IPR000549Photosystem I reaction center subunit V/PsaKFamily
I [auth K]IPR035982Photosystem I reaction centre subunit PsaK superfamilyHomologous Superfamily
I [auth K]IPR017492Photosystem I reaction center subunit PsaKFamily
K [auth M]IPR010010Photosystem I PsaM, reaction centreFamily
K [auth M]IPR037279Photosystem I PsaM, reaction centre superfamilyHomologous Superfamily
IPR036408Photosystem I PsaA/PsaB superfamilyHomologous Superfamily
IPR001280Photosystem I PsaA/PsaBFamily
IPR006243Photosystem I PsaAFamily
IPR020586Photosystem I PsaA/PsaB, conserved siteConserved Site
J [auth L]IPR003757Photosystem I PsaL, reaction centre subunit XIDomain
J [auth L]IPR022980Photosystem I, reaction centre subunit XIFamily
J [auth L]IPR036592Photosystem I PsaL, reaction centre subunit XI superfamilyHomologous Superfamily
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

Membrane Protein Annotation: OPM OPM Database Homepage

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage