ID A0A1H6UEL4_9MICO Unreviewed; 540 AA.
AC A0A1H6UEL4;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 21.
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=SAMN05421637_0353 {ECO:0000313|EMBL:SEI90066.1};
OS Demequina mangrovi.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Demequinaceae;
OC Demequina.
OX NCBI_TaxID=1043493 {ECO:0000313|EMBL:SEI90066.1, ECO:0000313|Proteomes:UP000183315};
RN [1] {ECO:0000313|Proteomes:UP000183315}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 24868 {ECO:0000313|Proteomes:UP000183315};
RA Varghese N.;
RL Submitted (OCT-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 -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
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DR EMBL; FNZI01000001; SEI90066.1; -; Genomic_DNA.
DR RefSeq; WP_042211911.1; NZ_FNZI01000001.1.
DR AlphaFoldDB; A0A1H6UEL4; -.
DR STRING; 1043493.SAMN05421637_0353; -.
DR eggNOG; COG1290; Bacteria.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000183315; Unassembled WGS sequence.
DR GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; 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; IPR005798; Cyt_b/b6_C.
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; PS51003; CYTB_CTER; 1.
DR PROSITE; PS51002; CYTB_NTER; 1.
PE 4: Predicted;
KW Electron transport {ECO:0000256|ARBA:ARBA00022982};
KW Heme {ECO:0000256|ARBA:ARBA00022617}; Iron {ECO:0000256|ARBA:ARBA00023004};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Reference proteome {ECO:0000313|Proteomes:UP000183315};
KW Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}; Transport {ECO:0000256|ARBA:ARBA00022448}.
FT TRANSMEM 45..65
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 108..129
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 141..161
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 207..231
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 252..280
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 337..358
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 378..397
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 417..434
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 12..238
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
FT DOMAIN 239..440
FT /note="Cytochrome b/b6 C-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51003"
SQ SEQUENCE 540 AA; 60970 MW; 6B523993D593242A CRC64;
MGARLDAAAA GTANYVDERT SIGGFVKFFA RKLFPDHWSF MLGEIALYSF VVLLLSGVFL
TAFFVPSMTI VTYDGPLATM QGVEMSEAFA STLHMSFEVP GGLLMRQIHH WSALLFTAAI
VTHMARVFFT GAFRKPRELN WLVGFTLMIL SLAAGFSGYS LPDDVLSGNG LRIIEGVFRS
IPIVGEYASY WVFGGEFPGE ILIPRLFTMH ILLVPGLILV LIALHLFLVF LHKHTQYPGG
GRTHKNVVGL PLFPVYTAKA GGFFFVVFGI VALVAAVFTI NPVWNYGPYD PSPVSAGTQP
DWYILFVDGA LRLMPGWLFD IIPMEWELWG YTLSLNILIP AVILPGLFFG FVALYPFIEA
WATGDRGEKH VLDRPRNAPV RTGIGVATIT FYVILVMEGS NDIIANLFHL SLNDLTYFFR
IGIFVLPALA FWITRRLCFG LQRKDRELVL HGKETGRIVR HEHGEYQEVH EPLTDDERWI
LVSYEDIAPL EIEPEFNDRG VRRKGYRWDR FKQQLSRIYF EKRISPVTPE ELAEAQHSHH
//
