UCRI_SOLTU
ID UCRI_SOLTU Reviewed; 265 AA.
AC P37841;
DT 01-OCT-1994, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-1994, sequence version 1.
DT 03-AUG-2022, entry version 115.
DE RecName: Full=Cytochrome b-c1 complex subunit Rieske, mitochondrial;
DE EC=7.1.1.8;
DE AltName: Full=Complex III subunit 5;
DE AltName: Full=Rieske iron-sulfur protein;
DE Short=RISP;
DE AltName: Full=Ubiquinol-cytochrome c reductase iron-sulfur subunit;
DE Flags: Precursor;
GN Name=FES1;
OS Solanum tuberosum (Potato).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Solanales; Solanaceae; Solanoideae; Solaneae; Solanum.
OX NCBI_TaxID=4113;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], AND PARTIAL PROTEIN SEQUENCE.
RC STRAIN=cv. Desiree; TISSUE=Leaf;
RX PubMed=8018875; DOI=10.1007/bf00023243;
RA Emmermann M., Clericus M., Braun H.P., Mozo T., Heins L., Kruft V.,
RA Schmitz U.K.;
RT "Molecular features, processing and import of the Rieske iron-sulfur
RT protein from potato mitochondria.";
RL Plant Mol. Biol. 25:271-281(1994).
CC -!- FUNCTION: Component of the ubiquinol-cytochrome c oxidoreductase, a
CC multisubunit transmembrane complex that is part of the mitochondrial
CC electron transport chain which drives oxidative phosphorylation. The
CC respiratory chain contains 3 multisubunit complexes succinate
CC dehydrogenase (complex II, CII), ubiquinol-cytochrome c oxidoreductase
CC (cytochrome b-c1 complex, complex III, CIII) and cytochrome c oxidase
CC (complex IV, CIV), that cooperate to transfer electrons derived from
CC NADH and succinate to molecular oxygen, creating an electrochemical
CC gradient over the inner membrane that drives transmembrane transport
CC and the ATP synthase. The cytochrome b-c1 complex catalyzes electron
CC transfer from ubiquinol to cytochrome c, linking this redox reaction to
CC translocation of protons across the mitochondrial inner membrane, with
CC protons being carried across the membrane as hydrogens on the quinol.
CC In the process called Q cycle, 2 protons are consumed from the matrix,
CC 4 protons are released into the intermembrane space and 2 electrons are
CC passed to cytochrome c. The Rieske protein is a catalytic core subunit
CC containing a [2Fe-2S] iron-sulfur cluster. It cycles between 2
CC conformational states during catalysis to transfer electrons from the
CC quinol bound in the Q(0) site in cytochrome b to cytochrome c1.
CC {ECO:0000250|UniProtKB:P08067}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a quinol + 2 Fe(III)-[cytochrome c](out) = a quinone + 2
CC Fe(II)-[cytochrome c](out) + 2 H(+)(out); Xref=Rhea:RHEA:11484,
CC Rhea:RHEA-COMP:10350, Rhea:RHEA-COMP:14399, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:24646, ChEBI:CHEBI:29033, ChEBI:CHEBI:29034,
CC ChEBI:CHEBI:132124; EC=7.1.1.8;
CC Evidence={ECO:0000250|UniProtKB:P08067};
CC -!- COFACTOR:
CC Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC Evidence={ECO:0000255|PROSITE-ProRule:PRU00628};
CC Note=Binds 1 [2Fe-2S] cluster per subunit. {ECO:0000255|PROSITE-
CC ProRule:PRU00628};
CC -!- SUBUNIT: Component of the ubiquinol-cytochrome c oxidoreductase
CC (cytochrome b-c1 complex, complex III, CIII), a multisubunit enzyme
CC composed of 3 respiratory subunits cytochrome b, cytochrome c1 and
CC Rieske protein, 2 core protein subunits, and several low-molecular
CC weight protein subunits. The complex exists as an obligatory dimer and
CC forms supercomplexes (SCs) in the inner mitochondrial membrane with
CC cytochrome c oxidase (complex IV, CIV). {ECO:0000250|UniProtKB:P08067}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane
CC {ECO:0000250|UniProtKB:P08067}; Single-pass membrane protein
CC {ECO:0000250|UniProtKB:P08067}.
CC -!- MISCELLANEOUS: The Rieske protein is a high potential 2Fe-2S protein.
CC -!- SIMILARITY: Belongs to the Rieske iron-sulfur protein family.
CC {ECO:0000305}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; X79332; CAA55894.1; -; mRNA.
DR PIR; S46534; S46534.
DR AlphaFoldDB; P37841; -.
DR SMR; P37841; -.
DR STRING; 4113.PGSC0003DMT400041105; -.
DR eggNOG; KOG1671; Eukaryota.
DR InParanoid; P37841; -.
DR Proteomes; UP000011115; Unassembled WGS sequence.
DR ExpressionAtlas; P37841; baseline.
DR GO; GO:0005750; C:mitochondrial respiratory chain complex III; IBA:GO_Central.
DR GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0016491; F:oxidoreductase activity; IBA:GO_Central.
DR GO; GO:0008121; F:ubiquinol-cytochrome-c reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0006122; P:mitochondrial electron transport, ubiquinol to cytochrome c; IBA:GO_Central.
DR Gene3D; 2.102.10.10; -; 1.
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 InterPro; IPR004192; Rieske_TM.
DR InterPro; IPR006317; Ubiquinol_cyt_c_Rdtase_Fe-S-su.
DR PANTHER; PTHR10134; PTHR10134; 1.
DR Pfam; PF00355; Rieske; 1.
DR Pfam; PF02921; UCR_TM; 1.
DR PRINTS; PR00162; RIESKE.
DR SUPFAM; SSF50022; SSF50022; 1.
DR TIGRFAMs; TIGR01416; Rieske_proteo; 1.
DR PROSITE; PS51296; RIESKE; 1.
PE 1: Evidence at protein level;
KW 2Fe-2S; Direct protein sequencing; Disulfide bond; Electron transport;
KW Iron; Iron-sulfur; Membrane; Metal-binding; Mitochondrion;
KW Mitochondrion inner membrane; Reference proteome; Respiratory chain;
KW Transit peptide; Translocase; Transmembrane; Transmembrane helix;
KW Transport.
FT TRANSIT 1..53
FT /note="Mitochondrion"
FT CHAIN 54..265
FT /note="Cytochrome b-c1 complex subunit Rieske,
FT mitochondrial"
FT /id="PRO_0000030675"
FT TOPO_DOM 54..102
FT /note="Mitochondrial matrix"
FT /evidence="ECO:0000305"
FT TRANSMEM 103..125
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TOPO_DOM 126..265
FT /note="Mitochondrial intermembrane"
FT /evidence="ECO:0000305"
FT DOMAIN 175..263
FT /note="Rieske"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT BINDING 208
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT BINDING 210
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT BINDING 227
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT BINDING 230
FT /ligand="[2Fe-2S] cluster"
FT /ligand_id="ChEBI:CHEBI:190135"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
FT DISULFID 213..229
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00628"
SQ SEQUENCE 265 AA; 28841 MW; 78C8C0AC6F09D932 CRC64;
MLRVAGRRLS SSAARSSSTF FTRSSFTVTD DSSPARSPSP SLTSSFLDQI RGFSSNSVSP
AHQLGLVSDL PATVAAIKNP SSKIVYDDSN HERYPPGDPS KRAFAYFVLT GGRFVYASSV
RLLILKFVLS MSASKDVLAL ASLEVDLSSI EPGSTVTVKW RGKPVFIRRR TDDDIKLANS
VDLGTLRDPQ QDAERVKNPE WLVVVGVCTH LGCIPLPNAG DFGGWFCPCH GSHYDISGRI
RKGPAPYNLE VPTYSFLEEN KLLIG
