ID A0A1X3PBM7_9MICC Unreviewed; 574 AA.
AC A0A1X3PBM7;
DT 05-JUL-2017, integrated into UniProtKB/TrEMBL.
DT 05-JUL-2017, sequence version 1.
DT 27-MAR-2024, entry version 23.
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=BCY76_000785 {ECO:0000313|EMBL:OSM44674.1};
OS Nesterenkonia sp. PF2B19.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Micrococcaceae;
OC Nesterenkonia.
OX NCBI_TaxID=1881858 {ECO:0000313|EMBL:OSM44674.1, ECO:0000313|Proteomes:UP000175621};
RN [1] {ECO:0000313|EMBL:OSM44674.1, ECO:0000313|Proteomes:UP000175621}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PF2B19 {ECO:0000313|EMBL:OSM44674.1,
RC ECO:0000313|Proteomes:UP000175621};
RX PubMed=28408669;
RA Singh P., Kapse N., Roy U., Singh S.M., Dhakephalkar P.K.;
RT "Draft Genome Sequence of Permafrost Bacterium Nesterenkonia sp. Strain
RT PF2B19, Revealing a Cold Adaptation Strategy and Diverse Biotechnological
RT Potential.";
RL Genome Announc. 5:e00133-17(2017).
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:OSM44674.1}.
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DR EMBL; MDSS02000002; OSM44674.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1X3PBM7; -.
DR STRING; 1881858.BCY76_000785; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000175621; 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 Translocase {ECO:0000256|ARBA:ARBA00022967};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 61..80
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 126..145
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 157..177
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 222..246
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 279..300
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 356..376
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 396..415
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 435..452
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 28..254
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
FT REGION 547..574
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 574 AA; 64372 MW; 84F1BB713EC432A3 CRC64;
MSATTEKYTE AQYLEAEQYQ PATRTGRITN YVDQRVGGTG IVREFGRKIF PDHWTFMFGE
VALYSFVILI LSGTFLTFWF DPSMASTRYD GSYAPLQGLE MSTAYATALE LSFDVRGGLF
MRQLHHWAAL LFVMAMSIHM LRVFFTGAFR KPRELNWVVG CALLIMGLAA GFTGYSLPDE
VLSGNGLRII DGMMKAIPVV GTYMSFFLFG GEFPGGEVIP RLYVLHIMVI PALILVLIAV
HLFMVVTHKH TQYPGPGRTE RNVVGYPVGP VYAAKAGGFF FIVFGILAVI SGTFQINALW
NYGPYDPSPV QAGAQPDWYI GPFEGVLRLM PGFVGEIPLE FVIPTPWGGN SVATPVLIPM
IPIAVMFLVM FIWPWIEAWI TGDKKEHHIL DRPRNAPTRT AIGAASVTFY CIMWGMGSND
LIATHFMLSL NDITYWSRVL IFVGPVIAFV LTKRICLSLQ RKDRETVLHG HEAGVIEMLP
HGEFREKHTR PSDYELYTLV AFESPAPSGP QPNAKGKITR TEKLRARLNQ WFYQDRVEPV
SREEYLEALE HDHHGDGHEG GLEATDRRSI EASH
//
