ID A0A2P8PTR4_9ACTN Unreviewed; 500 AA.
AC A0A2P8PTR4;
DT 23-MAY-2018, integrated into UniProtKB/TrEMBL.
DT 23-MAY-2018, sequence version 1.
DT 27-MAR-2024, entry version 18.
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=C6Y14_42450 {ECO:0000313|EMBL:PSM37380.1};
OS Streptomyces dioscori.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces; Streptomyces aurantiacus group.
OX NCBI_TaxID=2109333 {ECO:0000313|EMBL:PSM37380.1, ECO:0000313|Proteomes:UP000240429};
RN [1] {ECO:0000313|EMBL:PSM37380.1, ECO:0000313|Proteomes:UP000240429}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=A217 {ECO:0000313|EMBL:PSM37380.1,
RC ECO:0000313|Proteomes:UP000240429};
RA Zhikuan W.;
RT "Streptomyces dioscori sp. nov., a novel endophytic actinobacterium
RT isolated from bulbil of Dioscorea bulbifera L.";
RL Submitted (MAR-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:PSM37380.1}.
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DR EMBL; PYBJ01000042; PSM37380.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2P8PTR4; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000240429; 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:UP000240429};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 48..74
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 120..139
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 151..171
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 183..204
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 216..241
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 262..290
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 336..360
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 381..399
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 419..436
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 22..248
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
SQ SEQUENCE 500 AA; 55497 MW; 04DCDA8BF4E2013A CRC64;
MTATEQETPG SRGPAASSGQ RVADWFDGRL GTHTLGRKYL RKVFPDHWSF LLGEICLYSF
VILILTGVYL TLFFHPSMNE VTYNGSYVPL NGIRMSEAYA STLDISFDVR GGLLIRQIHH
WAALIFIAGM LMHMMRHFFT GSFRRPREVN WLFGWTLLFL GLFEGLFGYS LPDDLLSGTG
MRFVDGAVLS VPIVGTYLSF FLFGGEYPGH DIIARFYSLH ILVIPGIMAA LVVAHLILVV
YHKHTQFPGP GKTERNVVGS PFMPVYLAKA GGFFFLVFGV IALISAVASI NPVWSYGPYR
ADQVSTGAQP DWYLGFAEGL VRIMPGWEIT VAGHTLVLGV LIPIVVFPLP LVFIGAYPFL
ESWLTGDKRE HHLLDRPRNR PVRTSIGAAW ISLYLILLAG GGNDIVATRL HLSINTVTWA
VRIAVFAVPV LVLVATRRIC LGLQRRDRDL VLHGRETGVI KRLPHGEYAE VHRPLSPAEL
HTLTQHEQPQ EVSGTGRPGG
//
