ID A0A2N5XGP2_9ACTN Unreviewed; 545 AA.
AC A0A2N5XGP2;
DT 25-APR-2018, integrated into UniProtKB/TrEMBL.
DT 25-APR-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=C0036_06075 {ECO:0000313|EMBL:PLW73652.1};
OS Streptomyces sp. DJ.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=2067551 {ECO:0000313|EMBL:PLW73652.1, ECO:0000313|Proteomes:UP000235150};
RN [1] {ECO:0000313|EMBL:PLW73652.1, ECO:0000313|Proteomes:UP000235150}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DJ {ECO:0000313|EMBL:PLW73652.1,
RC ECO:0000313|Proteomes:UP000235150};
RA Ke Y., Yu G., Ye J., Yuan X.;
RT "Genome of Streptomyces sp. DJ strain.";
RL Submitted (JAN-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:PLW73652.1}.
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DR EMBL; PKSK01000525; PLW73652.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2N5XGP2; -.
DR Proteomes; UP000235150; 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:UP000235150};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 53..72
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 118..137
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 149..169
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 214..239
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 271..292
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 339..359
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 380..399
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 411..435
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 20..246
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
FT REGION 523..545
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 529..545
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 545 AA; 61011 MW; D40A649DB55B1736 CRC64;
MSTTTAADDK RQPAGKGEKL ADWADGRLGI YTIAKANLRK IFPDHWSFML GEVALYSFII
IILTGVYLTL FFKPSMQEVV YDGSYVPLQG IPMSEAFAST VEISFDVRGG LLMRQVHHWA
AIVFVASMLV HMFRVFFTGA FRKPREINWV FGFLLLVMGM FDGFLGYSLP DDLLSGTGVR
FMEGAVLSVP LVGTYLQMFL FGGEFPGTDV IPRFYTIHVL LLPGIMLGLL VAHLFLVFYH
KHTQFPGPGR TNNNVVGMPL MPVYMAKAGG FFFLVFGVIA AMSAIATINP IWSLGPYRPD
QVSTNAQPDW YMGFSEGLIR IMPGWEFVIP GGYTLNLGVF IPLMLFGLIL TAPMFYPFIE
AWVTGDKREH HLLDRPRNRP VRTGIGAAYI SLYLLLLVGG GNDLWATHFH LSINAITWTI
RIGFFVLPVI TFIVTKRICM ALQRRDRDKV LHGRETGVIK RLPHGEFIEV HAPLSQEELF
TLTSHEQPKP VELEAGTDEN GVVRKAGMAQ KLRAKLSRGF YGEDNQIPKP TADEYKEITS
GHGHH
//
