ID A0A1P8Q2D7_9LACO Unreviewed; 112 AA.
AC A0A1P8Q2D7;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 28.
DE RecName: Full=Fluoride-specific ion channel FluC {ECO:0000256|HAMAP-Rule:MF_00454};
GN Name=fluC {ECO:0000256|HAMAP-Rule:MF_00454};
GN Synonyms=crcB {ECO:0000256|HAMAP-Rule:MF_00454};
GN ORFNames=BTM29_05340 {ECO:0000313|EMBL:APX72018.1};
OS Companilactobacillus allii.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Lactobacillaceae;
OC Companilactobacillus.
OX NCBI_TaxID=1847728 {ECO:0000313|EMBL:APX72018.1, ECO:0000313|Proteomes:UP000187499};
RN [1] {ECO:0000313|Proteomes:UP000187499}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WiKim39 {ECO:0000313|Proteomes:UP000187499};
RA Jung M.Y., Lee S.H.;
RL Submitted (DEC-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Fluoride-specific ion channel. Important for reducing
CC fluoride concentration in the cell, thus reducing its toxicity.
CC {ECO:0000256|HAMAP-Rule:MF_00454}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=fluoride(in) = fluoride(out); Xref=Rhea:RHEA:76159,
CC ChEBI:CHEBI:17051; Evidence={ECO:0000256|ARBA:ARBA00035585};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:76160;
CC Evidence={ECO:0000256|ARBA:ARBA00035585};
CC -!- ACTIVITY REGULATION: Na(+) is not transported, but it plays an
CC essential structural role and its presence is essential for fluoride
CC channel function. {ECO:0000256|HAMAP-Rule:MF_00454}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|HAMAP-Rule:MF_00454};
CC Multi-pass membrane protein {ECO:0000256|HAMAP-Rule:MF_00454}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the fluoride channel Fluc/FEX (TC 1.A.43)
CC family. {ECO:0000256|ARBA:ARBA00035120, ECO:0000256|HAMAP-
CC Rule:MF_00454}.
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DR EMBL; CP019323; APX72018.1; -; Genomic_DNA.
DR RefSeq; WP_076614522.1; NZ_RHNV01000004.1.
DR AlphaFoldDB; A0A1P8Q2D7; -.
DR STRING; 1847728.BTM29_05340; -.
DR KEGG; lalw:BTM29_05340; -.
DR OrthoDB; 9815830at2; -.
DR Proteomes; UP000187499; Chromosome.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0062054; F:fluoride channel activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0140114; P:cellular detoxification of fluoride; IEA:UniProtKB-UniRule.
DR HAMAP; MF_00454; CrcB; 1.
DR InterPro; IPR003691; FluC.
DR Pfam; PF02537; CRCB; 1.
PE 3: Inferred from homology;
KW Cell membrane {ECO:0000256|ARBA:ARBA00022475, ECO:0000256|HAMAP-
KW Rule:MF_00454};
KW Ion channel {ECO:0000256|ARBA:ARBA00023303, ECO:0000256|HAMAP-
KW Rule:MF_00454}; Ion transport {ECO:0000256|HAMAP-Rule:MF_00454};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|HAMAP-Rule:MF_00454};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00454};
KW Reference proteome {ECO:0000313|Proteomes:UP000187499};
KW Sodium {ECO:0000256|HAMAP-Rule:MF_00454};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|HAMAP-
KW Rule:MF_00454};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989, ECO:0000256|HAMAP-
KW Rule:MF_00454}; Transport {ECO:0000256|HAMAP-Rule:MF_00454}.
FT TRANSMEM 27..51
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 57..79
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 91..110
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 67
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 70
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
SQ SEQUENCE 112 AA; 12391 MW; 5BA4EA2AB38F702E CRC64;
MSIFLVGFGA GIGAFFRNEL THLSRKITVD FPVITLLINI FGAFALGIFT AHINGSLLLF
LGTGFCGGFT TYGTMNMELS QLWFQKKFVR CFLYFALTYI IGILGFIVGI NL
//
