ID A0A2R4T099_9ACTN Unreviewed; 549 AA.
AC A0A2R4T099;
DT 20-JUN-2018, integrated into UniProtKB/TrEMBL.
DT 20-JUN-2018, 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=SLUN_10520 {ECO:0000313|EMBL:AVZ72560.1};
OS Streptomyces lunaelactis.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1535768 {ECO:0000313|EMBL:AVZ72560.1, ECO:0000313|Proteomes:UP000244201};
RN [1] {ECO:0000313|EMBL:AVZ72560.1, ECO:0000313|Proteomes:UP000244201}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MM109 {ECO:0000313|EMBL:AVZ72560.1,
RC ECO:0000313|Proteomes:UP000244201};
RA Naome A., Martinet L., Maciejewska M., Anderssen S., Adam D., Tenconi E.,
RA Deflandre B., Arguelles-Arias A., Calusinska M., Copieters W., Karim L.,
RA Hanikenne M., Baurain D., van Wezel G., Smargiasso N., de Pauw E.,
RA Delfosse P., Rigali S.;
RT "Complete genome sequence of Streptomyces lunaelactis MM109T, a Ferroverdin
RT A producer isolated from cave moonmilk deposits.";
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};
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DR EMBL; CP026304; AVZ72560.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2R4T099; -.
DR KEGG; slk:SLUN_10520; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000244201; Chromosome.
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:UP000244201};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 53..77
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 123..142
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 154..174
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 219..244
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 265..293
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 339..363
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 383..402
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 422..443
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 25..251
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
FT REGION 1..22
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 549 AA; 61255 MW; 6B975132A585810E CRC64;
MSTTPTNPSS AGAPGKRQAP AGERVADWAD GRLGIYGLAK ANMRKIFPDH WSFMLGEICL
YSFIIIILTG VYLTLFFHPS MNEVEYHGSY IPMQGVRMSE AYASTLDISF DVRGGLLIRQ
IHHWAALIFV AGMLVHMMRV FFTGAFRKPR EVNWLFGFLL LVLGMFTGFT GYSLPDDLLS
GTGVRFMEGA ILSVPVVGTY LSMFLFGGEF PGGEFVARFY SIHILLLPGI MMGLLVGHLI
LVFYHKHTQF AGPGRTNKNV VGMPLLPIYM AKAGGFFFLV FGVISVVSAV ASINPIWALG
PYRPDQVSTG AQPDWYMGFS EGLIRVMPGW EINAWGHTLV LGVFIPLIIF PLVLVAIAVY
PFIESWVTGD KREHHILDRP RNAPTRTAFG VAWLTWYFVL LIGGGNDIWA THFHLSINAI
TWFVRIFFFV GPVIAFVITK RICLGLQRRD RDKVLHGRES GIIKRLPHGE FVEVHEPLSQ
GALHTLTAHE QYEPAEVGPT VDENGVERKV TRAQKLKAKL SNSYYGEGNQ IPKPTTEEYK
EIIEGPGHH
//
