ID Q8HEG9_PLEPL Unreviewed; 380 AA. AC Q8HEG9; DT 01-MAR-2003, integrated into UniProtKB/TrEMBL. DT 01-MAR-2003, sequence version 1. DT 11-MAY-2016, entry version 66. DE RecName: Full=Cytochrome b {ECO:0000256|RuleBase:RU362117}; DE Flags: Fragment; GN Name=cytb {ECO:0000313|EMBL:AAN87027.1}; OS Pleuronectes platessa (European plaice). OG Mitochondrion {ECO:0000313|EMBL:AAN87027.1}. OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata; OC Carangaria; Pleuronectiformes; Pleuronectoidei; Pleuronectidae; OC Pleuronectes. OX NCBI_TaxID=8262 {ECO:0000313|EMBL:AAN87027.1}; RN [1] {ECO:0000313|EMBL:AAN87027.1} RP NUCLEOTIDE SEQUENCE. RA Cunha R., Castilho R.; RT "Molecular systematics of Pleuronectiformes based on mitochondrial RT DNA."; RL Submitted (OCT-2002) to the EMBL/GenBank/DDBJ databases. CC -!- FUNCTION: Component of the ubiquinol-cytochrome c reductase CC complex (complex III or cytochrome b-c1 complex), which is a CC respiratory chain that generates an electrochemical potential CC coupled to ATP synthesis. {ECO:0000256|RuleBase:RU362117}. CC -!- COFACTOR: CC Name=heme; Xref=ChEBI:CHEBI:30413; CC Evidence={ECO:0000256|RuleBase:RU362117}; CC Note=Binds 2 heme groups non-covalently. CC {ECO:0000256|RuleBase:RU362117}; CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane CC {ECO:0000256|RuleBase:RU362117}. CC -!- SIMILARITY: Belongs to the cytochrome b family. CC {ECO:0000256|RuleBase:RU362117}. 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; AY164472; AAN87027.1; -; Genomic_DNA. DR ProteinModelPortal; Q8HEG9; -. DR HOVERGEN; HBG017694; -. DR GO; GO:0005743; C:mitochondrial inner membrane; IEA:UniProtKB-SubCell. DR GO; GO:0045275; C:respiratory chain complex III; IEA:InterPro. DR GO; GO:0009055; F:electron carrier activity; IEA:InterPro. DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW. DR GO; GO:0008121; F:ubiquinol-cytochrome-c reductase activity; IEA:InterPro. DR GO; GO:0006122; P:mitochondrial electron transport, ubiquinol to cytochrome c; IEA:InterPro. DR Gene3D; 1.20.810.10; -; 1. DR InterPro; IPR005798; Cyt_b/b6_C. DR InterPro; IPR005797; Cyt_b/b6_N. DR InterPro; IPR027387; Cytb/b6-like. DR InterPro; IPR030689; Cytochrome_b. DR InterPro; IPR016174; Di-haem_cyt_TM. DR Pfam; PF00032; Cytochrom_B_C; 1. DR Pfam; PF00033; Cytochrome_B; 1. DR PIRSF; PIRSF038885; COB; 1. DR SUPFAM; SSF81342; SSF81342; 1. DR SUPFAM; SSF81648; SSF81648; 1. DR PROSITE; PS51003; CYTB_CTER; 1. DR PROSITE; PS51002; CYTB_NTER; 1. PE 3: Inferred from homology; KW Electron transport {ECO:0000256|RuleBase:RU362117}; KW Heme {ECO:0000256|RuleBase:RU362117}; KW Iron {ECO:0000256|RuleBase:RU362117}; KW Membrane {ECO:0000256|RuleBase:RU362117}; KW Metal-binding {ECO:0000256|RuleBase:RU362117}; KW Mitochondrion {ECO:0000256|RuleBase:RU362117, KW ECO:0000313|EMBL:AAN87027.1}; KW Respiratory chain {ECO:0000256|RuleBase:RU362117}; KW Transmembrane {ECO:0000256|RuleBase:RU362117}; KW Transmembrane helix {ECO:0000256|RuleBase:RU362117}; KW Transport {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 29 56 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 77 98 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 113 133 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 145 166 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 178 200 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 229 250 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 288 308 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 320 340 Helical. {ECO:0000256|RuleBase:RU362117}. FT TRANSMEM 346 366 Helical. {ECO:0000256|RuleBase:RU362117}. FT DOMAIN 1 209 CYTB_NTER. {ECO:0000259|PROSITE:PS51002}. FT DOMAIN 210 380 CYTB_CTER. {ECO:0000259|PROSITE:PS51003}. FT NON_TER 380 380 {ECO:0000313|EMBL:AAN87027.1}. SQ SEQUENCE 380 AA; 42368 MW; D0531A294EAD99CD CRC64; MASLRKSHPL LKIANDALVD LPAPSNISVW WNFGSLLGLC LVTQIATGLF LAMHYTSDIA TAFTSVAHIC RDVNYGWLIR SIHANGASFF FICIYLHIGR GLYYGSYLYK ETWTIGVVLL LLVMMTAFVG YVLPWGQMSF WGATVITNLL SAVPYVGGTL VQWIWGGFSV DNATLTRFFA FHFLFPFIIA AATVIHLLFL HETGSNNPTG LNSDSDKVPF HPYFTYKDLL GFAVLLTALA SLALFSPNLL GDPDNFTPAN PLVTPPHIKP EWYFLFAYAI LRSIPNKLGG VLALLFSILV LMLVPFLHTS KQRSLMFRPV TQFLFWSLVA DVMILTWIGG MPVEHPFVII GQVASLIYFS LFLVLIPTAG WMENKVLGWK //