ID A0A117PM55_9ACTN Unreviewed; 545 AA.
AC A0A117PM55;
DT 13-APR-2016, integrated into UniProtKB/TrEMBL.
DT 13-APR-2016, 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=AQI70_02250 {ECO:0000313|EMBL:KUM82149.1};
OS Streptomyces curacoi.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=146536 {ECO:0000313|EMBL:KUM82149.1, ECO:0000313|Proteomes:UP000054024};
RN [1] {ECO:0000313|EMBL:KUM82149.1, ECO:0000313|Proteomes:UP000054024}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 40107 {ECO:0000313|EMBL:KUM82149.1,
RC ECO:0000313|Proteomes:UP000054024};
RA Ruckert C., Winkler A., Kalinowski J., Kampfer P., Glaeser S.;
RT "Draft genome sequence of Streptomyces curacoi DSM 40107, type strain for
RT the species Streptomyces curacoi.";
RL Submitted (OCT-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:KUM82149.1}.
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DR EMBL; LMWJ01000001; KUM82149.1; -; Genomic_DNA.
DR RefSeq; WP_062143276.1; NZ_KQ947984.1.
DR AlphaFoldDB; A0A117PM55; -.
DR STRING; 146536.AQI70_02250; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000054024; 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:UP000054024};
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 545 AA; 60732 MW; F66FC4E8DBE43F7A CRC64;
MSTTETTTSR SRGKAPAGER VADWADGRLG IYSLAKANMR KIFPDHWSFM LGEVCLYSFI
IIILTGVYLT LFFHPSMNEV EYHGSYVPMQ GQLMSEAFSS TLHISFDVRG GLLIRQIHHW
AAIIFLAGMF VHMMRVFFTG AFRKPREINW LFGFLLFVLG MFTGFTGYSL PDDLLSGTGV
RFTQGAILSM PIVGTYISMF LFGGEFPGGD FVARFYSIHI LLLPGIMLGL VVGHLILVFY
HKHTQFAGPG RTNKNVVGMP LLPVYMAKAG GFFFLVFGVI AALAGIASVN PIWAMGPYRP
DHVSTGAQPD WYMGFAEGLV RAMPGWEINF WGHTLVLGVF VPLVVFGLFL GAIALYPFIE
SWVTGDKREH HLLDRPRNAP TRTAFGVAWV TAYMIMLIGG GNDIVATHFH LSINAVTWFV
RIGFFAGPVL AFIVTKRICL GLQRRDKDKV LHGRESGIIK RLPHGEFIEV HEPLSQEQLH
TLTAHEQYKP LEIGPTVDVN GVERKVKGSE KLRAKLSKAY FGDDSQIAKP TVEEYKEITS
GHGHH
//
