ID A0A160P7K9_STRLU Unreviewed; 220 AA.
AC A0A160P7K9;
DT 06-JUL-2016, integrated into UniProtKB/TrEMBL.
DT 06-JUL-2016, sequence version 1.
DT 24-JAN-2024, entry version 17.
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=SLA_7071 {ECO:0000313|EMBL:BAU87937.1};
OS Streptomyces laurentii.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=39478 {ECO:0000313|EMBL:BAU87937.1, ECO:0000313|Proteomes:UP000217676};
RN [1] {ECO:0000313|EMBL:BAU87937.1, ECO:0000313|Proteomes:UP000217676}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 31255 {ECO:0000313|EMBL:BAU87937.1,
RC ECO:0000313|Proteomes:UP000217676};
RA Doi K., Fujino Y., Nagayoshi Y., Ohshima T., Ogata S.;
RT "Complete Genome Sequence of Thiostrepton-Producing Streptomyces laurentii
RT ATCC 31255.";
RL Genome Announc. 4:e00360-16(2016).
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};
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DR EMBL; AP017424; BAU87937.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A160P7K9; -.
DR KEGG; slau:SLA_7071; -.
DR Proteomes; UP000217676; Chromosome.
DR GO; GO:0016020; C:membrane; 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 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:UP000217676};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 41..63
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 83..101
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 113..136
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 171..192
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 12..202
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
SQ SEQUENCE 220 AA; 24156 MW; 3377E384F39145F0 CRC64;
MSGTAPAPEH GWTAALRRRL VAALPPEKLL PDTQPAYMAS WVYVFGVLTV SSLVVVLVSG
GLLALKGPAW WHVSSVGKYV NSLHLWSVEL FMFVLVLHLW AKFFMAAWRG RRALTWVTGA
IAFLTSIGTA FSGYLVQQNF DSQWISDQAK DGMNAVGIGA FWNVLDFGQM LMWHIVLFPL
GLCLLSGWHV LLVRMRGIVP PIDALTPGPD RAPSGQEGRA
//