ID B6STK3_MAIZE Unreviewed; 226 AA.
AC B6STK3;
DT 16-DEC-2008, integrated into UniProtKB/TrEMBL.
DT 16-DEC-2008, sequence version 1.
DT 27-MAR-2024, entry version 75.
DE RecName: Full=plastoquinol--plastocyanin reductase {ECO:0000256|ARBA:ARBA00012952};
DE EC=7.1.1.6 {ECO:0000256|ARBA:ARBA00012952};
OS Zea mays (Maize).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; PACMAD clade;
OC Panicoideae; Andropogonodae; Andropogoneae; Tripsacinae; Zea.
OX NCBI_TaxID=4577 {ECO:0000313|EMBL:ACG28186.1};
RN [1] {ECO:0000313|EMBL:ACG28186.1}
RP NUCLEOTIDE SEQUENCE.
RX PubMed=18937034; DOI=10.1007/s11103-008-9415-4;
RA Alexandrov N.N., Brover V.V., Freidin S., Troukhan M.E., Tatarinova T.V.,
RA Zhang H., Swaller T.J., Lu Y.P., Bouck J., Flavell R.B., Feldmann K.A.;
RT "Insights into corn genes derived from large-scale cDNA sequencing.";
RL Plant Mol. Biol. 69:179-194(2009).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a plastoquinol + 2 H(+)(in) + 2 oxidized [plastocyanin] = a
CC plastoquinone + 4 H(+)(out) + 2 reduced [plastocyanin];
CC Xref=Rhea:RHEA:22148, Rhea:RHEA-COMP:9561, Rhea:RHEA-COMP:9562,
CC Rhea:RHEA-COMP:10039, Rhea:RHEA-COMP:10040, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:17757, ChEBI:CHEBI:29036, ChEBI:CHEBI:49552,
CC ChEBI:CHEBI:62192; EC=7.1.1.6;
CC Evidence={ECO:0000256|ARBA:ARBA00000603};
CC -!- COFACTOR:
CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC Evidence={ECO:0000256|ARBA:ARBA00034078};
CC -!- SIMILARITY: Belongs to the Rieske iron-sulfur protein family.
CC {ECO:0000256|ARBA:ARBA00010651}.
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DR EMBL; EU956068; ACG28186.1; -; mRNA.
DR AlphaFoldDB; B6STK3; -.
DR ExpressionAtlas; B6STK3; baseline and differential.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProt.
DR GO; GO:0043231; C:intracellular membrane-bounded organelle; IEA:UniProt.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0045158; F:electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0009496; F:plastoquinol--plastocyanin reductase activity; IEA:UniProtKB-EC.
DR CDD; cd03471; Rieske_cytochrome_b6f; 1.
DR Gene3D; 2.102.10.10; Rieske [2Fe-2S] iron-sulphur domain; 1.
DR Gene3D; 1.20.5.700; Single helix bin; 1.
DR HAMAP; MF_01335; Cytb6_f_Rieske; 1.
DR InterPro; IPR023960; Cyt_b6_f_Rieske.
DR InterPro; IPR017941; Rieske_2Fe-2S.
DR InterPro; IPR036922; Rieske_2Fe-2S_sf.
DR InterPro; IPR014349; Rieske_Fe-S_prot.
DR InterPro; IPR005805; Rieske_Fe-S_prot_C.
DR PANTHER; PTHR10134; CYTOCHROME B-C1 COMPLEX SUBUNIT RIESKE, MITOCHONDRIAL; 1.
DR PANTHER; PTHR10134:SF50; CYTOCHROME B6-F COMPLEX IRON-SULFUR SUBUNIT, CHLOROPLASTIC; 1.
DR Pfam; PF00355; Rieske; 1.
DR PRINTS; PR00162; RIESKE.
DR SUPFAM; SSF50022; ISP domain; 1.
DR PROSITE; PS51296; RIESKE; 1.
PE 2: Evidence at transcript level;
KW 2Fe-2S {ECO:0000256|ARBA:ARBA00022714};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW Electron transport {ECO:0000256|ARBA:ARBA00022982};
KW Iron {ECO:0000256|ARBA:ARBA00023004};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}; Transport {ECO:0000256|ARBA:ARBA00022448}.
FT TRANSMEM 67..87
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 112..208
FT /note="Rieske"
FT /evidence="ECO:0000259|PROSITE:PS51296"
SQ SEQUENCE 226 AA; 23994 MW; E58946938B89750C CRC64;
MATSAALSTA ANPTQLCRSR ASLGKPVKGL GLSMGRERAQ RSIVCQAASS ISADRVPDME
KRKLMNLLLL GAISLPTVGM VVPYGAFFVP AGSGNAGGGT YAKDKLGNDI TVEAWLNTHG
PNDRTLAQGL KGDPTYLVVE QDKTLATYGI NAVCTHLGCV VPWNGAENKF ICPCHGSQYN
NQGKVVRGPA PLSLALVHAD VDDGKVLFVP WVETDFRTGE DPWWKA
//
