ID A0A101QZZ6_9ACTN Unreviewed; 545 AA.
AC A0A101QZZ6;
DT 13-APR-2016, integrated into UniProtKB/TrEMBL.
DT 13-APR-2016, sequence version 1.
DT 27-MAR-2024, entry version 20.
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=AQJ30_10550 {ECO:0000313|EMBL:KUN39187.1};
OS Streptomyces longwoodensis.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=68231 {ECO:0000313|EMBL:KUN39187.1, ECO:0000313|Proteomes:UP000053271};
RN [1] {ECO:0000313|EMBL:KUN39187.1, ECO:0000313|Proteomes:UP000053271}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 41677 {ECO:0000313|EMBL:KUN39187.1,
RC ECO:0000313|Proteomes:UP000053271};
RA Ruckert C., Winkler A., Kalinowski J., Kampfer P., Glaeser S.;
RT "Draft genome sequence of Streptomyces longwoodensis DSM 41677, type strain
RT for the species Streptomyces longwoodensis.";
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:KUN39187.1}.
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DR EMBL; LMWS01000013; KUN39187.1; -; Genomic_DNA.
DR RefSeq; WP_067231690.1; NZ_KQ948551.1.
DR AlphaFoldDB; A0A101QZZ6; -.
DR STRING; 68231.AQJ30_10550; -.
DR Proteomes; UP000053271; 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:UP000053271};
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 330..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; 60901 MW; 9A878978C1D2E0CD CRC64;
MSTTASNTSR SRGKAPGGER VADWADGRLG IYTLAKSNMR KIFPDHWSFM LGEVCLYSFI
IIILTGVYLT LFFHPSMNEV EYHGSYVPLQ GQLMSEAFNS TLHISFDVRG GLLIRQIHHW
AAVVFIAGMF VHMMRVFFTG AFRKPREVNW LFGFLLFVLG MFTGFTGYSL PDDLLSGTGV
RFMEGAILSV PIVGTYISFF LFGGEFPGGD FVARFYSIHI LLLPGIMLGL VVGHLILVFY
HKHTQFAGPG KTNNNVVGMP LLPVYMAKAG GFFFLVFGVI AFVAAIAQIN PIWAIGPYRP
DQVSTGAQPD WYMGMAEGLI RAMPGWEINL WGHTLVLGVF IPLVLFGVIL VAIAAYPFIE
AWVTGDKREH HILDRPRNAP TRTAFGVAWL TVYFVMLIGG GNDIFATHFH LSINAVTWFV
RISYFVGPVI AFIVTKRICL GLQRRDKDKV LHGRETGTIK RLPHGEFIEV HEPLSQEQLH
TLTAHDQYKP LELGPAVDEN GVERKVRATQ KVRAKLSEAY FGEESQITKP SVEEYKEITS
GHGHH
//
