Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8102497 3000850 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8102495 3000850 SCOP2B (2022-06-29)
C [auth 1]SCOP2 FamilyChlorophyll a-b binding protein 8107221 4001763 SCOP2 (2022-06-29)
C [auth 1]SCOP2 SuperfamilyChlorophyll a-b binding protein 8107222 3000343 SCOP2 (2022-06-29)
C [auth 1]SCOP2B SuperfamilyChlorophyll a-b binding protein 8102345 3000343 SCOP2B (2022-06-29)
D [auth 2]SCOP2B SuperfamilyChlorophyll a-b binding protein 8107066 3000343 SCOP2B (2022-06-29)
E [auth 3]SCOP2B SuperfamilyChlorophyll a-b binding protein 8102347 3000343 SCOP2B (2022-06-29)
G [auth C]SCOP2B Superfamily4Fe-4S ferredoxins 8102489 3000020 SCOP2B (2022-06-29)
H [auth D]SCOP2B SuperfamilyPhotosystem I subunit PsaD 8107214 3000951 SCOP2B (2022-06-29)
I [auth E]SCOP2 FamilyPhotosystem I accessory protein E (PsaE) 8107219 4001749 SCOP2 (2022-06-29)
I [auth E]SCOP2 SuperfamilyElectron transport accessory proteins 8107220 3000325 SCOP2 (2022-06-29)
J [auth F]SCOP2B SuperfamilySubunit III of photosystem I reaction centre, PsaF 8107064 3000813 SCOP2B (2022-06-29)
M [auth I]SCOP2B SuperfamilySubunit VIII of photosystem I reaction centre, PsaI 8102491 3000819 SCOP2B (2022-06-29)
N [auth J]SCOP2B SuperfamilySubunit IX of photosystem I reaction centre, PsaJ 8102487 3000824 SCOP2B (2022-06-29)
Q [auth M]SCOP2B SuperfamilySubunit XII of photosystem I reaction centre, PsaM 8102485 3000829 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APsaA_PsaB_Ce7kuxA2 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_Ne7kuxA1 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_Ce7kuxB2 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_Ne7kuxB1 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)
C [auth 1]Chloroa_b-binde7kux11 A: extended segmentsX: Chlorophyll a-b binding protein (From Topology)H: Chlorophyll a-b binding protein (From Topology)T: Chlorophyll a-b binding proteinF: Chloroa_b-bindECOD (1.6)
D [auth 2]Chloroa_b-binde7kux21 A: extended segmentsX: Chlorophyll a-b binding protein (From Topology)H: Chlorophyll a-b binding protein (From Topology)T: Chlorophyll a-b binding proteinF: Chloroa_b-bindECOD (1.6)
E [auth 3]Chloroa_b-binde7kux31 A: extended segmentsX: Chlorophyll a-b binding protein (From Topology)H: Chlorophyll a-b binding protein (From Topology)T: Chlorophyll a-b binding proteinF: Chloroa_b-bindECOD (1.6)
F [auth 4]Chloroa_b-binde7kux41 A: extended segmentsX: Chlorophyll a-b binding protein (From Topology)H: Chlorophyll a-b binding protein (From Topology)T: Chlorophyll a-b binding proteinF: Chloroa_b-bindECOD (1.6)
G [auth C]Fer4_21_1e7kuxC1 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)
H [auth D]PsaDe7kuxD1 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)
I [auth E]PSI_PsaEe7kuxE1 A: beta barrelsX: SH3H: SH3T: SH3F: PSI_PsaEECOD (1.6)
J [auth F]PSI_PsaFe7kuxF1 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)
K [auth G]PSI_PSAKe7kuxG1 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)
L [auth H]PSI_PsaHe7kuxH1 A: extended segmentsX: Subunit VI of Photosystem I reaction centre (From Topology)H: Subunit VI of Photosystem I reaction centre (From Topology)T: Subunit VI of Photosystem I reaction centreF: PSI_PsaHECOD (1.6)
M [auth I]PSI_8e7kuxI1 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)
N [auth J]PSI_PsaJe7kuxJ1 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)
O [auth K]PSI_PSAKe7kuxK1 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)
P [auth L]PsaLe7kuxL1 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)
Q [auth M]PsaMe7kuxM1 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)

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
C [auth 1]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
D [auth 2]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
E [auth 3]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
F [auth 4]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
G [auth C]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
H [auth D]PF02531PsaD (PsaD)PsaD- Family
I [auth E]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
J [auth F]PF02507Photosystem I reaction centre subunit III (PSI_PsaF)Photosystem I reaction centre subunit III- Family
K [auth G]PF01241Photosystem I psaG / psaK (PSI_PSAK)Photosystem I psaG / psaK- Family
L [auth H]PF03244Photosystem I reaction centre subunit VI (PSI_PsaH)Photosystem I reaction centre subunit VI- Family
M [auth I]PF00796Photosystem I reaction centre subunit VIII (PSI_8)Photosystem I reaction centre subunit VIII- Family
N [auth J]PF01701Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)Photosystem I reaction centre subunit IX / PsaJ- Family
O [auth K]PF01241Photosystem I psaG / psaK (PSI_PSAK)Photosystem I psaG / psaK- Family
P [auth L]PF02605Photosystem I reaction centre subunit XI (PsaL)Photosystem I reaction centre subunit XI- Family
Q [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
C [auth 1]Chlorophyll a-b binding protein, chloroplastic
D [auth 2]Chlorophyll a-b binding protein, chloroplastic
E [auth 3]Chlorophyll a-b binding protein, chloroplastic
F [auth 4]Chlorophyll a-b binding protein, chloroplastic
G [auth C]Photosystem I iron-sulfur center
H [auth D]PsaD-
I [auth E]PsaE-
J [auth F]PSI-F-
K [auth G]PSI-G-
L [auth H]PsaH-
M [auth I]Photosystem I reaction center subunit VIII-
N [auth J]Photosystem I reaction center subunit IX-
O [auth K]PsaK-
P [auth L]PSI subunit V-
Q [auth M]Photosystem I reaction center subunit XII-

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR006243Photosystem I PsaAFamily
IPR036408Photosystem I PsaA/PsaB superfamilyHomologous Superfamily
IPR001280Photosystem I PsaA/PsaBFamily
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
C [auth 1]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
C [auth 1]IPR022796Chlorophyll A-B binding proteinFamily
D [auth 2]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
D [auth 2]IPR022796Chlorophyll A-B binding proteinFamily
E [auth 3]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
E [auth 3]IPR022796Chlorophyll A-B binding proteinFamily
F [auth 4]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
F [auth 4]IPR022796Chlorophyll A-B binding proteinFamily
G [auth C]IPR0179004Fe-4S ferredoxin, iron-sulphur binding, conserved siteConserved Site
G [auth C]IPR050157Photosystem I iron-sulfur centerFamily
G [auth C]IPR0178964Fe-4S ferredoxin-type, iron-sulphur binding domainDomain
G [auth C]IPR017491Photosystem I protein PsaCFamily
H [auth D]IPR003685Photosystem I PsaDFamily
H [auth D]IPR036579Photosystem I, reaction centre subunit PsaD superfamilyHomologous Superfamily
I [auth E]IPR008990Electron transport accessory-like domain superfamilyHomologous Superfamily
I [auth E]IPR003375Photosystem I PsaE, reaction centre subunit IVFamily
J [auth F]IPR036577Photosystem I PsaF, reaction centre subunit III superfamilyHomologous Superfamily
J [auth F]IPR003666Photosystem I PsaF, reaction centre subunit IIIFamily
K [auth G]IPR023618Photosystem I PsaG/PsaK domain, chloroplasticHomologous Superfamily
K [auth G]IPR017494Photosystem I reaction center subunit VFamily
K [auth G]IPR016370Photosystem I reaction center subunit V/PsaK, plantFamily
K [auth G]IPR000549Photosystem I reaction center subunit V/PsaKFamily
L [auth H]IPR004928Photosystem I PsaH, reaction centre subunit VIFamily
M [auth I]IPR036357Photosystem I reaction centre subunit VIII superfamilyHomologous Superfamily
M [auth I]IPR001302Photosystem I reaction centre subunit VIIIFamily
N [auth J]IPR002615Photosystem I PsaJ, reaction centre subunit IXFamily
N [auth J]IPR036062Photosystem I PsaJ, reaction centre subunit IX superfamilyHomologous Superfamily
O [auth K]IPR023618Photosystem I PsaG/PsaK domain, chloroplasticHomologous Superfamily
O [auth K]IPR016370Photosystem I reaction center subunit V/PsaK, plantFamily
O [auth K]IPR000549Photosystem I reaction center subunit V/PsaKFamily
O [auth K]IPR017493Photosystem I reaction center subunit psaK, plantFamily
P [auth L]IPR003757Photosystem I PsaL, reaction centre subunit XIDomain
P [auth L]IPR022980Photosystem I, reaction centre subunit XIFamily
P [auth L]IPR036592Photosystem I PsaL, reaction centre subunit XI superfamilyHomologous Superfamily
Q [auth M]IPR010010Photosystem I PsaM, reaction centreFamily
Q [auth M]IPR037279Photosystem I PsaM, reaction centre superfamilyHomologous Superfamily