ID A0A2U3A322_9ACTN Unreviewed; 545 AA.
AC A0A2U3A322;
DT 18-JUL-2018, integrated into UniProtKB/TrEMBL.
DT 18-JUL-2018, sequence version 1.
DT 27-MAR-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=DI272_35555 {ECO:0000313|EMBL:PWI18870.1};
OS Streptomyces sp. Act143.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=2200760 {ECO:0000313|EMBL:PWI18870.1, ECO:0000313|Proteomes:UP000245455};
RN [1] {ECO:0000313|EMBL:PWI18870.1, ECO:0000313|Proteomes:UP000245455}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Act143 {ECO:0000313|EMBL:PWI18870.1,
RC ECO:0000313|Proteomes:UP000245455};
RA Valanrebinro G., Kumari S., Rameshkumar N.;
RT "Actinomycin D producing novel Streptomyces isolated from the rhizosphere
RT of saline tolerant kaipad rice and its draft genome analysis.";
RL Submitted (MAY-2018) 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:PWI18870.1}.
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DR EMBL; QFRX01000001; PWI18870.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2U3A322; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000245455; 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:UP000245455};
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 119..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 272..293
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..398
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 418..435
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; 61181 MW; 92F9614B5D36DD0A CRC64;
MSTNENNASR DRGKAPAGEK LADWADGRLG IYSLAKANMR KIFPDHWSFM LGEICLYSFI
IIILTGVYLT LFFHPSMNEV EYHGSYVPLQ GQLMSEAFNS TMHISFEVRG GLLIRQIHHW
AALIFLAGMF VHMMRVFFTG AFRKPREVNW LFGFLLFVLG MFTGFTGYSL PDDLLSGTGV
RFMEGAILSV PIVGTYLSFF LFGGEFPGGD FVARFYSIHV LLLPGIMLGL MVAHLILVFY
HKHTQYAGPG KNNNNVVGMP LLPVYTAKAG GFFFLVFGVI AVIAAIASIN PIWSLGPYRP
DQVSTGAQPD WYMGFSEGLI RVMPGWEINF WGHTLVLGVF IPLVIFPLVL VAIAVYPFVE
AWVTGDRREH HILDRPRNAP TRTAFGVAWI TWYMILLVGG GNDLWATHFH LSINSITWFV
RVAFFVGPVL AFIVTKRICL GLQRRDKDKV LHGRESGIIK RLPHGEFIEV HEPLSQDALH
TLTAHEQYKP AEIGPTVDEN GVERKVKGSE KLRVKLSEAY YGEESQIAKP TVEEYKEITS
GHGHH
//
