ID A0A0W0TLN2_9GAMM Unreviewed; 408 AA.
AC A0A0W0TLN2;
DT 16-MAR-2016, integrated into UniProtKB/TrEMBL.
DT 16-MAR-2016, sequence version 1.
DT 27-MAR-2024, entry version 39.
DE RecName: Full=Cytochrome b {ECO:0000256|ARBA:ARBA00013531, ECO:0000256|RuleBase:RU003385};
GN Name=petB {ECO:0000313|EMBL:KTC96514.1};
GN ORFNames=E4T54_07195 {ECO:0000313|EMBL:QBS12554.1}, Lgee_2197
GN {ECO:0000313|EMBL:KTC96514.1};
OS Legionella geestiana.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Legionellales;
OC Legionellaceae; Legionella.
OX NCBI_TaxID=45065 {ECO:0000313|EMBL:KTC96514.1, ECO:0000313|Proteomes:UP000054785};
RN [1] {ECO:0000313|EMBL:KTC96514.1, ECO:0000313|Proteomes:UP000054785}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49504 {ECO:0000313|EMBL:KTC96514.1,
RC ECO:0000313|Proteomes:UP000054785};
RA Burstein D., Amaro F., Zusman T., Lifshitz Z., Cohen O., Gilbert J.A.,
RA Pupko T., Shuman H.A., Segal G.;
RT "Genomic analysis of 38 Legionella species identifies large and diverse
RT effector repertoires.";
RL Submitted (NOV-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:QBS12554.1, ECO:0000313|Proteomes:UP000294523}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=1308 {ECO:0000313|EMBL:QBS12554.1,
RC ECO:0000313|Proteomes:UP000294523};
RA Durieux I., Ginevra C., Attaiech L., Picq K., Juan P.A., Jarraud S.,
RA Charpentier X.;
RT "Diverse conjugative elements silence natural transformation in Legionella
RT species.";
RL Submitted (MAR-2019) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Component of the ubiquinol-cytochrome c reductase complex
CC (complex III or cytochrome b-c1 complex), which is a respiratory chain
CC that generates an electrochemical potential coupled to ATP synthesis.
CC {ECO:0000256|ARBA:ARBA00002444, ECO:0000256|RuleBase:RU003385}.
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|RuleBase:RU003385};
CC Note=Binds 2 heme groups non-covalently.
CC {ECO:0000256|RuleBase:RU003385};
CC -!- COFACTOR:
CC Name=heme; Xref=ChEBI:CHEBI:30413;
CC Evidence={ECO:0000256|PIRSR:PIRSR038885-2};
CC Note=Binds 2 heme groups non-covalently.
CC {ECO:0000256|PIRSR:PIRSR038885-2};
CC -!- SUBUNIT: The main subunits of complex b-c1 are: cytochrome b,
CC cytochrome c1 and the Rieske protein. {ECO:0000256|ARBA:ARBA00011649,
CC ECO:0000256|RuleBase:RU003385}.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the cytochrome b family.
CC {ECO:0000256|RuleBase:RU003385}.
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DR EMBL; LNYC01000074; KTC96514.1; -; Genomic_DNA.
DR EMBL; CP038271; QBS12554.1; -; Genomic_DNA.
DR RefSeq; WP_028387269.1; NZ_UGNZ01000001.1.
DR AlphaFoldDB; A0A0W0TLN2; -.
DR STRING; 45065.Lgee_2197; -.
DR KEGG; lgt:E4T54_07195; -.
DR PATRIC; fig|45065.4.peg.2387; -.
DR OrthoDB; 9804503at2; -.
DR Proteomes; UP000054785; Unassembled WGS sequence.
DR Proteomes; UP000294523; Chromosome.
DR GO; GO:0045275; C:respiratory chain complex III; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0008121; F:ubiquinol-cytochrome-c reductase activity; IEA:InterPro.
DR GO; GO:0022904; P:respiratory electron transport chain; IEA:InterPro.
DR CDD; cd00284; Cytochrome_b_N; 1.
DR InterPro; IPR005798; Cyt_b/b6_C.
DR InterPro; IPR036150; Cyt_b/b6_C_sf.
DR InterPro; IPR005797; Cyt_b/b6_N.
DR InterPro; IPR027387; Cytb/b6-like_sf.
DR InterPro; IPR030689; Cytochrome_b.
DR InterPro; IPR048259; Cytochrome_b_N_euk/bac.
DR InterPro; IPR016174; Di-haem_cyt_TM.
DR PANTHER; PTHR19271; CYTOCHROME B; 1.
DR PANTHER; PTHR19271:SF16; CYTOCHROME B; 1.
DR Pfam; PF00032; Cytochrom_B_C; 1.
DR Pfam; PF00033; Cytochrome_B; 1.
DR PIRSF; PIRSF038885; COB; 1.
DR SUPFAM; SSF81648; a domain/subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase); 1.
DR SUPFAM; SSF81342; Transmembrane di-heme cytochromes; 1.
DR PROSITE; PS51003; CYTB_CTER; 1.
DR PROSITE; PS51002; CYTB_NTER; 1.
PE 3: Inferred from homology;
KW Electron transport {ECO:0000256|ARBA:ARBA00022982,
KW ECO:0000256|RuleBase:RU003385};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|PIRSR:PIRSR038885-2};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR038885-2};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR038885-2};
KW Reference proteome {ECO:0000313|Proteomes:UP000054785};
KW Respiratory chain {ECO:0000256|ARBA:ARBA00022660,
KW ECO:0000256|RuleBase:RU003385};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692,
KW ECO:0000256|RuleBase:RU003385};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius};
KW Transport {ECO:0000256|ARBA:ARBA00022448, ECO:0000256|RuleBase:RU003385}.
FT TRANSMEM 33..60
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 81..102
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 117..139
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 146..163
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 183..202
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 245..262
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 307..327
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 339..361
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 367..388
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 4..216
FT /note="Cytochrome b/b6 N-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51002"
FT DOMAIN 226..399
FT /note="Cytochrome b/b6 C-terminal region profile"
FT /evidence="ECO:0000259|PROSITE:PS51003"
FT BINDING 87
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_label="b562"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR038885-2"
FT BINDING 101
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_label="b566"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR038885-2"
FT BINDING 188
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_label="b562"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR038885-2"
FT BINDING 203
FT /ligand="heme b"
FT /ligand_id="ChEBI:CHEBI:60344"
FT /ligand_label="b566"
FT /ligand_part="Fe"
FT /ligand_part_id="ChEBI:CHEBI:18248"
FT /note="axial binding residue"
FT /evidence="ECO:0000256|PIRSR:PIRSR038885-2"
FT BINDING 208
FT /ligand="a ubiquinone"
FT /ligand_id="ChEBI:CHEBI:16389"
FT /evidence="ECO:0000256|PIRSR:PIRSR038885-1"
SQ SEQUENCE 408 AA; 46504 MW; 92863668D40B5010 CRC64;
MKGLSDWVNA RFPLAKTWKA HASEYHVPRN LNFWYYFGSL ALLVLVIQLL SGIWLTMFYT
PSAKGAFDSV EYIMRDVHFG WILRYTHSTG ASAFFIVIYL HIFRALLYGS YKKPRELVWL
LGMLLFVLLM SEAFFGYLLP WGQMSYWGAQ VITSLFGAIP FIGDSLATWI RGDFTVANAT
LQRFFALHVI AIPLLFVMIV WLHMVALHAV GSNNPEGIDI RKPKDGRAPT RDTLPFHPWY
TVKDCSGAIV FLMLFFSVVF FFPEMGGYFL EHANFEAANP MVTPEHIAPV WYLTPFYAML
RAIPDKLFGV AVMGGAIVIL FFLPWLDKSP VRSMRYKGWA SRVALMLFVL STAILGYLGT
LPVTPPALWT ARVCTAIYFG YFLLMPLYTR LEACKTPPEH LEEEHAHA
//
