ID A0A1Q8CRM8_9PSEU Unreviewed; 560 AA.
AC A0A1Q8CRM8;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 19.
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=BU204_13995 {ECO:0000313|EMBL:OLF16974.1};
OS Actinophytocola xanthii.
OC Bacteria; Actinomycetota; Actinomycetes; Pseudonocardiales;
OC Pseudonocardiaceae.
OX NCBI_TaxID=1912961 {ECO:0000313|EMBL:OLF16974.1, ECO:0000313|Proteomes:UP000185596};
RN [1] {ECO:0000313|EMBL:OLF16974.1, ECO:0000313|Proteomes:UP000185596}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=11-183 {ECO:0000313|EMBL:OLF16974.1,
RC ECO:0000313|Proteomes:UP000185596};
RA Wang W., Yuan L.;
RT "The draft genome sequence of Actinophytocola sp. 11-183.";
RL Submitted (DEC-2016) 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:OLF16974.1}.
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DR EMBL; MSIE01000023; OLF16974.1; -; Genomic_DNA.
DR RefSeq; WP_075126097.1; NZ_MSIE01000023.1.
DR AlphaFoldDB; A0A1Q8CRM8; -.
DR STRING; 1912961.BU204_13995; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000185596; 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:UP000185596};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 54..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..201
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 221..240
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 261..287
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 339..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..439
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"
FT REGION 508..560
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 560 AA; 61687 MW; E49EA7119CC3F20D CRC64;
MSGLTTPTKP DNLAMRAAGG AAKWVDDRFH AAGGMRRQLN KVFPTHWSFL LGEIALYSFI
VLLLSGTYLA LFFDPSMAEV TYQGSFVNLR GLEMSRAYES TLYLSFDVRG GLFVRQVHHW
AALLFASAIV LHMFRTFFTG AFRRPRETNW VIGVLIFLLA CVEGFAGYSL PDDLLSGAGL
RILSGLMMSL PVVGTWINWL IFGSEFPGTE VIPRLYTLHI LLVPGILLAL IGIHVGLVWY
QKHTQFPGVR RKETNVVGVR IMPTFALKAG GFTAVVIGVT ALMGGLFQIN PVWNFGPYNA
SHISAGTVPD WYMAWTDGLV RLWPAWEVYL GNYTIPAPFF PFMMGLPLLT GIAAVYPWIE
RKFTKDYAHH NLLQRPRDVP VRTSLGAMAI TFFMVSLLSA ANDVLAFKFD ISLNATTWMG
RIGLLVLPPL AYAITYRLCL GLQRSDRQVL EHGVETGIIK RLPHGEFIEV HQPLGPVDDH
GHPVPLEYQG APVPKKMNKL GSAGEPVAGS LLKADPPEET AALAKARAAQ LGHRAEQVES
GATETGSSIA RSQEDPSKKL
//
