ID   UCR9_EUGGR              Reviewed;         100 AA.
AC   P43266;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   25-MAY-2022, entry version 56.
DE   RecName: Full=Ubiquinol-cytochrome-C reductase complex subunit IX, mitochondrial;
DE   Flags: Precursor;
OS   Euglena gracilis.
OC   Eukaryota; Discoba; Euglenozoa; Euglenida; Spirocuta; Euglenophyceae;
OC   Euglenales; Euglenaceae; Euglena.
OX   NCBI_TaxID=3039;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], AND PROTEIN SEQUENCE OF 31-48.
RC   STRAIN=SM-ZK;
RX   PubMed=8188644; DOI=10.1093/oxfordjournals.jbchem.a124312;
RA   Cui J.-Y., Mukai K., Saeki K., Matsubara H.;
RT   "Molecular cloning and nucleotide sequences of cDNAs encoding subunits I,
RT   II, and IX of Euglena gracilis mitochondrial complex III.";
RL   J. Biochem. 115:98-107(1994).
CC   -!- FUNCTION: This is a component of the ubiquinol-cytochrome c reductase
CC       complex (complex III or cytochrome b-c1 complex), which is part of the
CC       mitochondrial respiratory chain.
CC   -!- SUBUNIT: Plants bc1 complex contains 10 subunits; 3 respiratory
CC       subunits, 2 core proteins and 5 low-molecular weight proteins.
CC   -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=BAA04081.2; Type=Miscellaneous discrepancy; Note=Incorrect translation table.; Evidence={ECO:0000305};
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DR   EMBL; D16673; BAA04081.2; ALT_SEQ; mRNA.
DR   PIR; JX0302; JX0302.
DR   AlphaFoldDB; P43266; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005743; C:mitochondrial inner membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Electron transport; Membrane; Mitochondrion;
KW   Mitochondrion inner membrane; Respiratory chain; Transit peptide;
KW   Transmembrane; Transmembrane helix; Transport.
FT   TRANSIT         1..30
FT                   /note="Mitochondrion"
FT                   /evidence="ECO:0000269|PubMed:8188644"
FT   CHAIN           31..100
FT                   /note="Ubiquinol-cytochrome-C reductase complex subunit IX,
FT                   mitochondrial"
FT                   /id="PRO_0000035996"
FT   TRANSMEM        66..86
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   100 AA;  11285 MW;  46D9917568CE4991 CRC64;
     MQTHVRRVAL QALRPCLRAG LMAPKFPVRF ATTAVSGELL TKTPYTRPGY AAQWTCLVVL
     FLKNQLLMRL FFAFVAYVVA MKVFGARFHV DHDEDATPAE