ID W4QG15_9BACI Unreviewed; 126 AA.
AC W4QG15;
DT 19-MAR-2014, integrated into UniProtKB/TrEMBL.
DT 19-MAR-2014, sequence version 1.
DT 24-JAN-2024, entry version 30.
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=JCM9152_2292 {ECO:0000313|EMBL:GAE30867.1};
OS Halalkalibacter hemicellulosilyticusJCM 9152.
OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Halalkalibacter.
OX NCBI_TaxID=1236971 {ECO:0000313|EMBL:GAE30867.1, ECO:0000313|Proteomes:UP000018895};
RN [1] {ECO:0000313|EMBL:GAE30867.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 9152 {ECO:0000313|EMBL:GAE30867.1};
RA Yuki M., Oshima K., Suda W., Oshida Y., Kitamura K., Iida T., Hattori M.,
RA Ohkuma M.;
RT "Draft Genome Sequences of Three Alkaliphilic Bacillus Strains, Bacillus
RT wakoensis JCM 9140T, Bacillus akibai JCM 9157T, and Bacillus
RT hemicellulosilyticus JCM 9152T.";
RL Genome Announc. 2:e01258-13(2014).
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:GAE30867.1}.
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DR EMBL; BAUU01000014; GAE30867.1; -; Genomic_DNA.
DR RefSeq; WP_035343914.1; NZ_BAZO01000014.1.
DR AlphaFoldDB; W4QG15; -.
DR STRING; 1236971.JCM9152_2292; -.
DR Proteomes; UP000018895; 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:SF16; FLUORIDE ION TRANSPORTER CRCB 2-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|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00454}; Reference proteome {ECO:0000313|Proteomes:UP000018895};
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 33..56
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 68..87
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 102..124
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 78
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 81
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
SQ SEQUENCE 126 AA; 14359 MW; A13985ED52A1EE99 CRC64;
MNLILLAISG ALGAISRYLV GLYMMERFPN PPIPIAMLCV NTIGSFGLGF FFSFYFSQLP
IGAYEDPYYL FIGIGFFGAF TTFSTYSVEA MQLYKQKKWK ELVLYVSFSI FGSILFFLIG
FTVFRF
//