ID A0A0J7LTT9_9FLAO Unreviewed; 121 AA.
AC A0A0J7LTT9;
DT 14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2015, sequence version 1.
DT 24-JAN-2024, entry version 27.
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=ACM44_02620 {ECO:0000313|EMBL:KMQ72350.1};
OS Chryseobacterium koreense CCUG 49689.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales; Weeksellaceae;
OC Chryseobacterium group; Chryseobacterium.
OX NCBI_TaxID=1304281 {ECO:0000313|EMBL:KMQ72350.1, ECO:0000313|Proteomes:UP000035900};
RN [1] {ECO:0000313|EMBL:KMQ72350.1, ECO:0000313|Proteomes:UP000035900}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCUG 49689 {ECO:0000313|EMBL:KMQ72350.1,
RC ECO:0000313|Proteomes:UP000035900};
RX PubMed=15545478; DOI=10.1099/ijs.0.02998-0;
RA Kim M.K., Im W.T., Shin Y.K., Lim J.H., Kim S.H., Lee B.C., Park M.Y.,
RA Lee K.Y., Lee S.T.;
RT "Kaistella koreensis gen. nov., sp. nov., a novel member of the
RT Chryseobacterium-Bergeyella-Riemerella branch.";
RL Int. J. Syst. Evol. Microbiol. 54:2319-2324(2004).
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}.
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:KMQ72350.1}.
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DR EMBL; LFNG01000003; KMQ72350.1; -; Genomic_DNA.
DR RefSeq; WP_048498546.1; NZ_LFNG01000003.1.
DR AlphaFoldDB; A0A0J7LTT9; -.
DR PATRIC; fig|1304281.5.peg.569; -.
DR OrthoDB; 9815830at2; -.
DR Proteomes; UP000035900; Unassembled WGS sequence.
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 NCBIfam; TIGR00494; crcB; 1.
DR PANTHER; PTHR28259; FLUORIDE EXPORT PROTEIN 1-RELATED; 1.
DR PANTHER; PTHR28259:SF1; FLUORIDE EXPORT PROTEIN 1-RELATED; 1.
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:UP000035900};
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 34..56
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 63..82
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 94..116
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 73
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 76
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
SQ SEQUENCE 121 AA; 13462 MW; DDC9D13F311C1285 CRC64;
MKAILYIFLG GGLGSVLRFL MSNYTQKLWN INSFPMGTFV VNLLGCFLIG LFTSYFMKFD
NPLKFLLIAG FCGGFTTFST FSAENVSLWQ SGNYGILALY ILLSIIFGIF AVYLGLNLSK
N
//