ID A0A0F5VQA4_9ACTN Unreviewed; 544 AA.
AC A0A0F5VQA4;
DT 24-JUN-2015, integrated into UniProtKB/TrEMBL.
DT 24-JUN-2015, sequence version 1.
DT 27-MAR-2024, entry version 24.
DE RecName: Full=Cytochrome bc1 complex cytochrome b subunit {ECO:0000256|ARBA:ARBA00016116};
DE EC=7.1.1.8 {ECO:0000256|ARBA:ARBA00012951};
DE AltName: Full=Cytochrome bc1 reductase complex subunit QcrB {ECO:0000256|ARBA:ARBA00029568};
GN ORFNames=TN53_30285 {ECO:0000313|EMBL:KKD04384.1};
OS Streptomyces sp. WM6386.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1415558 {ECO:0000313|EMBL:KKD04384.1, ECO:0000313|Proteomes:UP000033641};
RN [1] {ECO:0000313|EMBL:KKD04384.1, ECO:0000313|Proteomes:UP000033641}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WM6386 {ECO:0000313|EMBL:KKD04384.1,
RC ECO:0000313|Proteomes:UP000033641};
RA Ju K.-S., Doroghazi J.R., Metcalf W.;
RL Submitted (JAN-2015) to the EMBL/GenBank/DDBJ databases.
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:0000256|ARBA:ARBA00029351};
CC -!- COFACTOR:
CC Name=heme; Xref=ChEBI:CHEBI:30413;
CC Evidence={ECO:0000256|ARBA:ARBA00001971};
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KKD04384.1}.
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DR EMBL; JXTE01000060; KKD04384.1; -; Genomic_DNA.
DR RefSeq; WP_046261912.1; NZ_JXTE01000060.1.
DR AlphaFoldDB; A0A0F5VQA4; -.
DR PATRIC; fig|1415558.3.peg.7066; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000033641; Unassembled WGS sequence.
DR GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
DR GO; GO:0008121; F:ubiquinol-cytochrome-c reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0022904; P:respiratory electron transport chain; IEA:InterPro.
DR InterPro; IPR005797; Cyt_b/b6_N.
DR InterPro; IPR027387; Cytb/b6-like_sf.
DR InterPro; IPR016174; Di-haem_cyt_TM.
DR PANTHER; PTHR19271; CYTOCHROME B; 1.
DR PANTHER; PTHR19271:SF16; CYTOCHROME B; 1.
DR Pfam; PF13631; Cytochrom_B_N_2; 1.
DR SUPFAM; SSF81342; Transmembrane di-heme cytochromes; 1.
DR PROSITE; PS51002; CYTB_NTER; 1.
PE 4: Predicted;
KW Membrane {ECO:0000256|SAM:Phobius};
KW Reference proteome {ECO:0000313|Proteomes:UP000033641};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 49..73
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 117..138
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 150..170
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 182..203
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 215..240
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 269..289
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 335..359
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 379..399
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 411..434
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 21..247
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
SQ SEQUENCE 544 AA; 60654 MW; D224E66FC55B48AC CRC64;
MDGARSVDEA RGRTPAKGER IADWADGRLG LYGLAKANMR KVFPDHWSFM LGEICLYSFL
VIILTGIYLT LFFEPSGVEV VYSGSYEPLN GIVMTRAFES TLDISFDVRG GLLIRQIHHW
AALVFVTGML VHMMRVFFTG AFRKPRELNW VFGWTLLMLG ILTGLTGYSL PDDLLSGTGI
RFAQGAILSV PIIGTYLSFF LFGGEFPGHD IIPRLFPIHV LLLPGIMLGL VVAHLILVFY
HKHTQYPGPG RDERTVVGMP LLPVYTAKAG GFFFLVFGVL ALMGGLAQIN PVWAFGPYRP
DLVTTGAQPD WYLGFSEGLI RVMPGWEISA WGHSLVLGVL IPFSLFPLIL LAIGVYPFVE
AWITGDRREH HILDRPRNVP VRTGLGVAWL SLYVVLLIGG GNDIVATHLH LSINAITWFV
RISVFLVPVL AFIVTKRVCL GLQRRDRDKV LHGRESGVIK RLPHGEYVEI HEPLAQDQLH
TLTQHEQNPP YEIGPLVDAN GVRRPVTVSQ RVRARLAYVM FGPETRIPKP TAQEYRQISS
GDPH
//
