7ZQ9

Dimeric PSI of Chlamydomonas reinhardtii at 2.74 A resolution (symmetry expanded)


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8094461 3000850 SCOP2B (2022-06-29)
J [auth L]SCOP2B SuperfamilyPhotosystem I reaction center subunit XI, PsaL 8097190 3000870 SCOP2B (2022-06-29)
L [auth 1]SCOP2B SuperfamilyChlorophyll a-b binding protein 8099102 3000343 SCOP2B (2022-06-29)
P [auth Z]SCOP2B SuperfamilyChlorophyll a-b binding protein 8099102 3000343 SCOP2B (2022-06-29)
N [auth 7]SCOP2B SuperfamilyChlorophyll a-b binding protein 8100068 3000343 SCOP2B (2022-06-29)
O [auth 8]SCOP2B SuperfamilyChlorophyll a-b binding protein 8099930 3000343 SCOP2B (2022-06-29)
Q [auth 4]SCOP2B SuperfamilyChlorophyll a-b binding protein 8099934 3000343 SCOP2B (2022-06-29)
R [auth 5]SCOP2B SuperfamilyChlorophyll a-b binding protein 8099932 3000343 SCOP2B (2022-06-29)
S [auth 6]SCOP2B SuperfamilyChlorophyll a-b binding protein 8099928 3000343 SCOP2B (2022-06-29)
T [auth 9]SCOP2B SuperfamilyChlorophyll a-b binding protein 8097194 3000343 SCOP2B (2022-06-29)
X [auth 92]SCOP2B SuperfamilyChlorophyll a-b binding protein 8097194 3000343 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8094499 3000850 SCOP2B (2022-06-29)
CSCOP2B Superfamily4Fe-4S ferredoxins 8093860 3000020 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyPhotosystem I subunit PsaD 8095071 3000951 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyElectron transport accessory proteins 8094773 3000325 SCOP2B (2022-06-29)
FSCOP2B SuperfamilySubunit III of photosystem I reaction centre, PsaF 8094180 3000813 SCOP2B (2022-06-29)
I [auth J]SCOP2B SuperfamilySubunit IX of photosystem I reaction centre, PsaJ 8094723 3000824 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APsaA_PsaB_Ce7zq9A1 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_Ne7zq9A2 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]PsaLe7zq9L1 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)
W [auth L2]PsaLe7zq9L21 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)
KPSI_PSAKe7zq9K1 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 1]Chloroa_b-binde7zq911 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)
P [auth Z]Chloroa_b-binde7zq9Z1 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)
M [auth 3]Chloroa_b-binde7zq931 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)
N [auth 7]Chloroa_b-binde7zq971 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)
O [auth 8]Chloroa_b-binde7zq981 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)
Q [auth 4]Chloroa_b-binde7zq941 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)
R [auth 5]Chloroa_b-binde7zq951 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)
S [auth 6]Chloroa_b-binde7zq961 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)
T [auth 9]Chloroa_b-binde7zq991 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)
X [auth 92]Chloroa_b-binde7zq9921 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)
BPsaA_PsaB_Ce7zq9B1 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_Ne7zq9B2 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_1e7zq9C1 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)
DPsaDe7zq9D1 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_PsaEe7zq9E1 A: beta barrelsX: SH3H: SH3T: SH3F: PSI_PsaEECOD (1.6)
FPSI_PsaFe7zq9F1 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)
GPSI_PSAKe7zq9G1 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)
H [auth I]PSI_8e7zq9I1 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)
V [auth I2]PSI_8e7zq9I21 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)
I [auth J]PSI_PsaJe7zq9J1 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)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00223Photosystem I psaA/psaB protein (PsaA_PsaB)Photosystem I psaA/psaB protein- Family
PF01241Photosystem I psaG / psaK (PSI_PSAK)Photosystem I psaG / psaK- Family
L [auth 1],
P [auth Z]
PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
N [auth 7]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
O [auth 8]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
Q [auth 4]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
R [auth 5]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
S [auth 6]PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding protein- Family
T [auth 9],
X [auth 92]
PF00504Chlorophyll A-B binding protein (Chloroa_b-bind)Chlorophyll A-B binding 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
PF01241Photosystem I psaG / psaK (PSI_PSAK)Photosystem I psaG / psaK- Family
H [auth I],
V [auth I2]
PF00796Photosystem I reaction centre subunit VIII (PSI_8)Photosystem I reaction centre subunit VIII- Family
I [auth J]PF01701Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)Photosystem I reaction centre subunit IX / PsaJ- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Photosystem I P700 chlorophyll a apoprotein A1
J [auth L],
W [auth L2]
PSI subunit V-
Photosystem I reaction center subunit psaK, chloroplastic-
L [auth 1],
P [auth Z]
Chlorophyll a-b binding protein, chloroplastic
M [auth 3]Chlorophyll a-b binding protein, chloroplastic---
N [auth 7]Chlorophyll a-b binding protein, chloroplastic
O [auth 8]Chlorophyll a-b binding protein, chloroplastic
Q [auth 4]Chlorophyll a-b binding protein, chloroplastic (Lhca4)
R [auth 5]Chlorophyll a-b binding protein, chloroplastic
S [auth 6]Chlorophyll a-b binding protein, chloroplastic
T [auth 9],
X [auth 92]
Chlorophyll a-b binding protein, chloroplastic
Photosystem I P700 chlorophyll a apoprotein A2
U [auth B2]Photosystem I P700 chlorophyll a apoprotein A2---
Photosystem I iron-sulfur center
Photosystem I reaction center subunit II, chloroplastic-
Photosystem I reaction center subunit IV, chloroplastic-
Photosystem I reaction center subunit III, chloroplastic-
Photosystem I reaction center subunit V, chloroplastic-
H [auth I],
V [auth I2]
Photosystem I reaction center subunit VIII-
I [auth J]Photosystem I reaction center subunit IX-

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
J [auth L],
W [auth L2]
IPR003757Photosystem I PsaL, reaction centre subunit XIDomain
J [auth L],
W [auth L2]
IPR022980Photosystem I, reaction centre subunit XIFamily
J [auth L],
W [auth L2]
IPR036592Photosystem I PsaL, reaction centre subunit XI superfamilyHomologous Superfamily
IPR023618Photosystem I PsaG/PsaK domain, chloroplasticHomologous Superfamily
IPR016370Photosystem I reaction center subunit V/PsaK, plantFamily
IPR000549Photosystem I reaction center subunit V/PsaKFamily
IPR017493Photosystem I reaction center subunit psaK, plantFamily
L [auth 1],
P [auth Z]
IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
L [auth 1],
P [auth Z]
IPR022796Chlorophyll A-B binding proteinFamily
N [auth 7]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
N [auth 7]IPR022796Chlorophyll A-B binding proteinFamily
O [auth 8]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
O [auth 8]IPR022796Chlorophyll A-B binding proteinFamily
Q [auth 4]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
Q [auth 4]IPR022796Chlorophyll A-B binding proteinFamily
R [auth 5]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
R [auth 5]IPR022796Chlorophyll A-B binding proteinFamily
S [auth 6]IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
S [auth 6]IPR022796Chlorophyll A-B binding proteinFamily
T [auth 9],
X [auth 92]
IPR001344Chlorophyll A-B binding protein, plant and chromistaFamily
T [auth 9],
X [auth 92]
IPR022796Chlorophyll A-B binding proteinFamily
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
IPR023618Photosystem I PsaG/PsaK domain, chloroplasticHomologous Superfamily
IPR017494Photosystem I reaction center subunit VFamily
IPR016370Photosystem I reaction center subunit V/PsaK, plantFamily
IPR000549Photosystem I reaction center subunit V/PsaKFamily
H [auth I],
V [auth I2]
IPR036357Photosystem I reaction centre subunit VIII superfamilyHomologous Superfamily
H [auth I],
V [auth I2]
IPR001302Photosystem I reaction centre subunit VIIIFamily
I [auth J]IPR002615Photosystem I PsaJ, reaction centre subunit IXFamily
I [auth J]IPR036062Photosystem I PsaJ, reaction centre subunit IX superfamilyHomologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage