9AU4 | pdb_00009au4

Cryo-EM structure of a photosystem I variant containing an unusual plastoquinone derivative in its electron transfer chain

External Resource: Annotation


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
B [auth H]SCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074462 3000850 SCOP2B (2022-06-29)
M [auth b]SCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074462 3000850 SCOP2B (2022-06-29)
X [auth B]SCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074462 3000850 SCOP2B (2022-06-29)
Z [auth D]SCOP2B SuperfamilyPhotosystem I subunit PsaD 8074480 3000951 SCOP2B (2022-06-29)
O [auth d]SCOP2B SuperfamilyPhotosystem I subunit PsaD 8074480 3000951 SCOP2B (2022-06-29)
D [auth O]SCOP2B SuperfamilyPhotosystem I subunit PsaD 8074480 3000951 SCOP2B (2022-06-29)
BA [auth F]SCOP2B SuperfamilySubunit III of photosystem I reaction centre, PsaF 8074438 3000813 SCOP2B (2022-06-29)
Q [auth f]SCOP2B SuperfamilySubunit III of photosystem I reaction centre, PsaF 8074438 3000813 SCOP2B (2022-06-29)
F [auth Q]SCOP2B SuperfamilySubunit III of photosystem I reaction centre, PsaF 8074438 3000813 SCOP2B (2022-06-29)
GA [auth M]SCOP2B SuperfamilySubunit XII of photosystem I reaction centre, PsaM 8074450 3000829 SCOP2B (2022-06-29)
K [auth V]SCOP2B SuperfamilySubunit XII of photosystem I reaction centre, PsaM 8074450 3000829 SCOP2B (2022-06-29)
V [auth m]SCOP2B SuperfamilySubunit XII of photosystem I reaction centre, PsaM 8074450 3000829 SCOP2B (2022-06-29)
DA [auth J]SCOP2B SuperfamilySubunit IX of photosystem I reaction centre, PsaJ 8074512 3000824 SCOP2B (2022-06-29)
S [auth j]SCOP2B SuperfamilySubunit IX of photosystem I reaction centre, PsaJ 8074512 3000824 SCOP2B (2022-06-29)
H [auth S]SCOP2B SuperfamilySubunit IX of photosystem I reaction centre, PsaJ 8074512 3000824 SCOP2B (2022-06-29)
CA [auth I]SCOP2B SuperfamilySubunit VIII of photosystem I reaction centre, PsaI 8074504 3000819 SCOP2B (2022-06-29)
R [auth i]SCOP2B SuperfamilySubunit VIII of photosystem I reaction centre, PsaI 8074504 3000819 SCOP2B (2022-06-29)
G [auth R]SCOP2B SuperfamilySubunit VIII of photosystem I reaction centre, PsaI 8074504 3000819 SCOP2B (2022-06-29)
E [auth P]SCOP2B SuperfamilyElectron transport accessory proteins 8044474 3000325 SCOP2B (2022-06-29)
P [auth e]SCOP2B SuperfamilyElectron transport accessory proteins 8044474 3000325 SCOP2B (2022-06-29)
AA [auth E]SCOP2B SuperfamilyElectron transport accessory proteins 8044474 3000325 SCOP2B (2022-06-29)
J [auth U]SCOP2B SuperfamilyPhotosystem I reaction center subunit XI, PsaL 8087170 3000870 SCOP2B (2022-06-29)
U [auth l]SCOP2B SuperfamilyPhotosystem I reaction center subunit XI, PsaL 8087170 3000870 SCOP2B (2022-06-29)
FA [auth L]SCOP2B SuperfamilyPhotosystem I reaction center subunit XI, PsaL 8087170 3000870 SCOP2B (2022-06-29)
L [auth a]SCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074454 3000850 SCOP2B (2022-06-29)
W [auth A]SCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074454 3000850 SCOP2B (2022-06-29)
A [auth G]SCOP2B SuperfamilyPhotosystem I subunits PsaA/PsaB 8074454 3000850 SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
B [auth H],
M [auth b],
X [auth B]		PF00223Photosystem I psaA/psaB protein (PsaA_PsaB)Photosystem I psaA/psaB protein- Family
C [auth N],
N [auth c],
Y [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
D [auth O],
O [auth d],
Z [auth D]		PF02531PsaD (PsaD)PsaD- Family
BA [auth F],
F [auth Q],
Q [auth f]		PF02507Photosystem I reaction centre subunit III (PSI_PsaF)Photosystem I reaction centre subunit III- Family
GA [auth M],
K [auth V],
V [auth m]		PF07465Photosystem I protein M (PsaM) (PsaM)Photosystem I protein M (PsaM)- Family
EA [auth K],
I [auth T],
T [auth k]		PF01241Photosystem I psaG / psaK (PSI_PSAK)Photosystem I psaG / psaK- Family
CA [auth I],
G [auth R],
R [auth i]		PF00796Photosystem I reaction centre subunit VIII (PSI_8)Photosystem I reaction centre subunit VIII- Family
AA [auth E],
E [auth P],
P [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
FA [auth L],
J [auth U],
U [auth l]		PF02605Photosystem I reaction centre subunit XI (PsaL)Photosystem I reaction centre subunit XI- Family
A [auth G],
L [auth a],
W [auth A]		PF00223Photosystem I psaA/psaB protein (PsaA_PsaB)Photosystem I psaA/psaB protein- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
B [auth H],
M [auth b],
X [auth B]		Photosystem I P700 chlorophyll a apoprotein A2
C [auth N],
N [auth c],
Y [auth C]		Photosystem I iron-sulfur center
D [auth O],
O [auth d],
Z [auth D]		Photosystem I reaction center subunit II-
BA [auth F],
F [auth Q],
Q [auth f]		Photosystem I reaction center subunit III-
GA [auth M],
K [auth V],
V [auth m]		Photosystem I reaction center subunit XII-
EA [auth K],
I [auth T],
T [auth k]		Photosystem I reaction center subunit PsaK 2-
DA [auth J],
H [auth S],
S [auth j]		Photosystem I reaction center subunit IX-
CA [auth I],
G [auth R],
R [auth i]		Photosystem I reaction center subunit VIII-
AA [auth E],
E [auth P],
P [auth e]		Photosystem I reaction center subunit IV-
FA [auth L],
J [auth U],
U [auth l]		Photosystem I reaction center subunit XI-
A [auth G],
L [auth a],
W [auth A]		Photosystem I P700 chlorophyll a apoprotein A1

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
B [auth H],
M [auth b],
X [auth B]		IPR036408Photosystem I PsaA/PsaB superfamilyHomologous Superfamily
B [auth H],
M [auth b],
X [auth B]		IPR001280Photosystem I PsaA/PsaBFamily
B [auth H],
M [auth b],
X [auth B]		IPR006244Photosystem I PsaBFamily
B [auth H],
M [auth b],
X [auth B]		IPR020586Photosystem I PsaA/PsaB, conserved siteConserved Site
C [auth N],
N [auth c],
Y [auth C]		IPR0179004Fe-4S ferredoxin, iron-sulphur binding, conserved siteConserved Site
C [auth N],
N [auth c],
Y [auth C]		IPR050157Photosystem I iron-sulfur centerFamily
C [auth N],
N [auth c],
Y [auth C]		IPR0178964Fe-4S ferredoxin-type, iron-sulphur binding domainDomain
C [auth N],
N [auth c],
Y [auth C]		IPR017491Photosystem I protein PsaCFamily
D [auth O],
O [auth d],
Z [auth D]		IPR003685Photosystem I PsaDFamily
D [auth O],
O [auth d],
Z [auth D]		IPR036579Photosystem I, reaction centre subunit PsaD superfamilyHomologous Superfamily
BA [auth F],
F [auth Q],
Q [auth f]		IPR036577Photosystem I PsaF, reaction centre subunit III superfamilyHomologous Superfamily
BA [auth F],
F [auth Q],
Q [auth f]		IPR003666Photosystem I PsaF, reaction centre subunit IIIFamily
GA [auth M],
K [auth V],
V [auth m]		IPR010010Photosystem I PsaM, reaction centreFamily
GA [auth M],
K [auth V],
V [auth m]		IPR037279Photosystem I PsaM, reaction centre superfamilyHomologous Superfamily
EA [auth K],
I [auth T],
T [auth k]		IPR037101Photosystem I reaction centre subunit PsaKHomologous Superfamily
EA [auth K],
I [auth T],
T [auth k]		IPR000549Photosystem I reaction center subunit V/PsaKFamily
EA [auth K],
I [auth T],
T [auth k]		IPR035982Photosystem I reaction centre subunit PsaK superfamilyHomologous Superfamily
EA [auth K],
I [auth T],
T [auth k]		IPR017492Photosystem I reaction center subunit PsaKFamily
DA [auth J],
H [auth S],
S [auth j]		IPR002615Photosystem I PsaJ, reaction centre subunit IXFamily
DA [auth J],
H [auth S],
S [auth j]		IPR036062Photosystem I PsaJ, reaction centre subunit IX superfamilyHomologous Superfamily
CA [auth I],
G [auth R],
R [auth i]		IPR036357Photosystem I reaction centre subunit VIII superfamilyHomologous Superfamily
CA [auth I],
G [auth R],
R [auth i]		IPR001302Photosystem I reaction centre subunit VIIIFamily
AA [auth E],
E [auth P],
P [auth e]		IPR008990Electron transport accessory-like domain superfamilyHomologous Superfamily
AA [auth E],
E [auth P],
P [auth e]		IPR003375Photosystem I PsaE, reaction centre subunit IVFamily
FA [auth L],
J [auth U],
U [auth l]		IPR003757Photosystem I PsaL, reaction centre subunit XIDomain
FA [auth L],
J [auth U],
U [auth l]		IPR022980Photosystem I, reaction centre subunit XIFamily
FA [auth L],
J [auth U],
U [auth l]		IPR036592Photosystem I PsaL, reaction centre subunit XI superfamilyHomologous Superfamily
A [auth G],
L [auth a],
W [auth A]		IPR036408Photosystem I PsaA/PsaB superfamilyHomologous Superfamily
A [auth G],
L [auth a],
W [auth A]		IPR001280Photosystem I PsaA/PsaBFamily
A [auth G],
L [auth a],
W [auth A]		IPR006243Photosystem I PsaAFamily
A [auth G],
L [auth a],
W [auth A]		IPR020586Photosystem I PsaA/PsaB, conserved siteConserved Site

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

ChainsResource LinkGroupSubgroupProtein
mpstrucTRANSMEMBRANE PROTEINS: ALPHA-HELICALPhotosystemsPhotosystem I variant, containing plastoquinone derivative