ID A0A2A9M4F5_9APIC Unreviewed; 160 AA.
AC A0A2A9M4F5;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 16.
DE RecName: Full=Cytochrome b {ECO:0000256|ARBA:ARBA00013531};
GN ORFNames=BESB_018890 {ECO:0000313|EMBL:PFH30749.1}, BESB_027050
GN {ECO:0000313|EMBL:PFH30706.1}, BESB_031610
GN {ECO:0000313|EMBL:PFH30676.1}, BESB_033310
GN {ECO:0000313|EMBL:PFH30642.1}, BESB_042050
GN {ECO:0000313|EMBL:PFH30631.1}, BESB_042380
GN {ECO:0000313|EMBL:PFH30628.1}, BESB_042560
GN {ECO:0000313|EMBL:PFH30613.1}, BESB_042590
GN {ECO:0000313|EMBL:PFH30610.1}, BESB_051330
GN {ECO:0000313|EMBL:PFH30969.1}, BESB_057940
GN {ECO:0000313|EMBL:PFH30951.1}, BESB_058010
GN {ECO:0000313|EMBL:PFH30933.1}, BESB_058240
GN {ECO:0000313|EMBL:PFH30920.1}, BESB_063990
GN {ECO:0000313|EMBL:PFH30908.1}, BESB_064020
GN {ECO:0000313|EMBL:PFH30912.1}, BESB_064360
GN {ECO:0000313|EMBL:PFH30878.1}, BESB_070310
GN {ECO:0000313|EMBL:PFH30837.1}, BESB_081080
GN {ECO:0000313|EMBL:PFH30816.1}, BESB_081110
GN {ECO:0000313|EMBL:PFH30815.1}, BESB_085950
GN {ECO:0000313|EMBL:PFH30786.1};
OS Besnoitia besnoiti.
OC Eukaryota; Sar; Alveolata; Apicomplexa; Conoidasida; Coccidia;
OC Eucoccidiorida; Eimeriorina; Sarcocystidae; Besnoitia.
OX NCBI_TaxID=94643 {ECO:0000313|EMBL:PFH30786.1, ECO:0000313|Proteomes:UP000224006};
RN [1] {ECO:0000313|EMBL:PFH30786.1, ECO:0000313|Proteomes:UP000224006}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Bb-Ger1 {ECO:0000313|EMBL:PFH30786.1,
RC ECO:0000313|Proteomes:UP000224006};
RA Schares G., Venepally P., Lorenzi H.A.;
RT "Genome sequencing of Besnoitia besnoiti strain Bb-Ger1.";
RL Submitted (SEP-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Component of the ubiquinol-cytochrome c reductase complex
CC (complex III or cytochrome b-c1 complex) that is part of the
CC mitochondrial respiratory chain. The b-c1 complex mediates electron
CC transfer from ubiquinol to cytochrome c. Contributes to the generation
CC of a proton gradient across the mitochondrial membrane that is then
CC used for ATP synthesis. {ECO:0000256|ARBA:ARBA00002566}.
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|ARBA:ARBA00001970};
CC -!- SUBUNIT: The main subunits of complex b-c1 are: cytochrome b,
CC cytochrome c1 and the Rieske protein. {ECO:0000256|ARBA:ARBA00011649}.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}. Mitochondrion
CC inner membrane {ECO:0000256|ARBA:ARBA00004448}; Multi-pass membrane
CC protein {ECO:0000256|ARBA:ARBA00004448}.
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:PFH30786.1}.
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DR EMBL; NWUJ01000181; PFH30610.1; -; Genomic_DNA.
DR EMBL; NWUJ01000178; PFH30613.1; -; Genomic_DNA.
DR EMBL; NWUJ01000170; PFH30628.1; -; Genomic_DNA.
DR EMBL; NWUJ01000168; PFH30631.1; -; Genomic_DNA.
DR EMBL; NWUJ01000161; PFH30642.1; -; Genomic_DNA.
DR EMBL; NWUJ01000140; PFH30676.1; -; Genomic_DNA.
DR EMBL; NWUJ01000123; PFH30706.1; -; Genomic_DNA.
DR EMBL; NWUJ01000099; PFH30749.1; -; Genomic_DNA.
DR EMBL; NWUJ01000080; PFH30786.1; -; Genomic_DNA.
DR EMBL; NWUJ01000071; PFH30815.1; -; Genomic_DNA.
DR EMBL; NWUJ01000070; PFH30816.1; -; Genomic_DNA.
DR EMBL; NWUJ01000062; PFH30837.1; -; Genomic_DNA.
DR EMBL; NWUJ01000051; PFH30878.1; -; Genomic_DNA.
DR EMBL; NWUJ01000043; PFH30908.1; -; Genomic_DNA.
DR EMBL; NWUJ01000043; PFH30912.1; -; Genomic_DNA.
DR EMBL; NWUJ01000041; PFH30920.1; -; Genomic_DNA.
DR EMBL; NWUJ01000036; PFH30933.1; -; Genomic_DNA.
DR EMBL; NWUJ01000034; PFH30951.1; -; Genomic_DNA.
DR EMBL; NWUJ01000033; PFH30969.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2A9M4F5; -.
DR STRING; 94643.A0A2A9M4F5; -.
DR VEuPathDB; ToxoDB:BESB_018890; -.
DR VEuPathDB; ToxoDB:BESB_027050; -.
DR VEuPathDB; ToxoDB:BESB_031610; -.
DR VEuPathDB; ToxoDB:BESB_033310; -.
DR VEuPathDB; ToxoDB:BESB_042050; -.
DR VEuPathDB; ToxoDB:BESB_042380; -.
DR VEuPathDB; ToxoDB:BESB_042560; -.
DR VEuPathDB; ToxoDB:BESB_042590; -.
DR VEuPathDB; ToxoDB:BESB_051330; -.
DR VEuPathDB; ToxoDB:BESB_057940; -.
DR VEuPathDB; ToxoDB:BESB_058010; -.
DR VEuPathDB; ToxoDB:BESB_058240; -.
DR VEuPathDB; ToxoDB:BESB_063990; -.
DR VEuPathDB; ToxoDB:BESB_064020; -.
DR VEuPathDB; ToxoDB:BESB_064360; -.
DR VEuPathDB; ToxoDB:BESB_070310; -.
DR VEuPathDB; ToxoDB:BESB_081080; -.
DR VEuPathDB; ToxoDB:BESB_081110; -.
DR VEuPathDB; ToxoDB:BESB_085950; -.
DR OrthoDB; 231992at2759; -.
DR Proteomes; UP000224006; Unassembled WGS sequence.
DR GO; GO:0005743; C:mitochondrial inner membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
DR GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR InterPro; IPR005798; Cyt_b/b6_C.
DR InterPro; IPR036150; Cyt_b/b6_C_sf.
DR InterPro; IPR027387; Cytb/b6-like_sf.
DR PANTHER; PTHR19271; CYTOCHROME B; 1.
DR PANTHER; PTHR19271:SF30; CYTOCHROME B; 1.
DR Pfam; PF00032; Cytochrom_B_C; 1.
DR SUPFAM; SSF81648; a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase); 1.
DR PROSITE; PS51003; CYTB_CTER; 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 Mitochondrion {ECO:0000256|ARBA:ARBA00022792};
KW Mitochondrion inner membrane {ECO:0000256|ARBA:ARBA00022792};
KW Reference proteome {ECO:0000313|Proteomes:UP000224006};
KW Respiratory chain {ECO:0000256|ARBA:ARBA00022660};
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};
KW Ubiquinone {ECO:0000256|ARBA:ARBA00023075}.
FT TRANSMEM 20..37
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 73..91
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 112..134
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 140..159
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 1..160
FT /note="Cytochrome b/b6 C-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51003"
SQ SEQUENCE 160 AA; 18238 MW; 903FE39813D88C1E CRC64;
MSAHYSLVIE QDSFVPYLPY YLIGLIFLQT AFGLIELSHP DNSIPVNRFV TPLHIVPEWY
FLAYYAVLKV IPSKTGGLLV FMSSLINLAL LSEIRALNTR MLIRQHFMTR NVVSGWVIIW
VYSMIFLIII GSAIPQATYI LYGRLATIVY LTTGLVLCLY
//