ID C8NAB4_CARH6 Unreviewed; 118 AA.
AC C8NAB4;
DT 03-NOV-2009, integrated into UniProtKB/TrEMBL.
DT 03-NOV-2009, sequence version 1.
DT 24-JAN-2024, entry version 59.
DE RecName: Full=Fluoride-specific ion channel FluC {ECO:0000256|HAMAP-Rule:MF_00454};
GN Name=crcB {ECO:0000256|HAMAP-Rule:MF_00454,
GN ECO:0000313|EMBL:EEV88457.1};
GN Synonyms=fluC {ECO:0000256|HAMAP-Rule:MF_00454};
GN ORFNames=HMPREF0198_1442 {ECO:0000313|EMBL:EEV88457.1};
OS Cardiobacterium hominis (strain ATCC 15826 / DSM 8339 / NCTC 10426 / 6573).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Cardiobacteriales;
OC Cardiobacteriaceae; Cardiobacterium.
OX NCBI_TaxID=638300 {ECO:0000313|EMBL:EEV88457.1, ECO:0000313|Proteomes:UP000004870};
RN [1] {ECO:0000313|EMBL:EEV88457.1, ECO:0000313|Proteomes:UP000004870}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 15826 / DSM 8339 / NCTC 10426 / 6573
RC {ECO:0000313|Proteomes:UP000004870};
RA Qin X., Bachman B., Battles P., Bell A., Bess C., Bickham C., Chaboub L.,
RA Chen D., Coyle M., Deiros D.R., Dinh H., Forbes L., Fowler G.,
RA Francisco L., Fu Q., Gubbala S., Hale W., Han Y., Hemphill L.,
RA Highlander S.K., Hirani K., Hogues M., Jackson L., Jakkamsetti A.,
RA Javaid M., Jiang H., Korchina V., Kovar C., Lara F., Lee S., Mata R.,
RA Mathew T., Moen C., Morales K., Munidasa M., Nazareth L., Ngo R.,
RA Nguyen L., Okwuonu G., Ongeri F., Patil S., Petrosino J., Pham C., Pham P.,
RA Pu L.-L., Puazo M., Raj R., Reid J., Rouhana J., Saada N., Shang Y.,
RA Simmons D., Thornton R., Warren J., Weissenberger G., Zhang J., Zhang L.,
RA Zhou C., Zhu D., Muzny D., Worley K., Gibbs R.;
RL Submitted (AUG-2009) 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}.
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:EEV88457.1}.
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DR EMBL; ACKY01000071; EEV88457.1; -; Genomic_DNA.
DR RefSeq; WP_004142803.1; NZ_GG694028.1.
DR AlphaFoldDB; C8NAB4; -.
DR STRING; 2718.CHUV0807_0095; -.
DR HOGENOM; CLU_114342_2_3_6; -.
DR OMA; FLMFESF; -.
DR OrthoDB; 9806299at2; -.
DR Proteomes; UP000004870; 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:UP000004870};
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 31..50
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 62..87
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT TRANSMEM 93..114
FT /note="Helical"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 69
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
FT BINDING 72
FT /ligand="Na(+)"
FT /ligand_id="ChEBI:CHEBI:29101"
FT /ligand_note="structural"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00454"
SQ SEQUENCE 118 AA; 12289 MW; 3D39169408C6629D CRC64;
MNFLLVFLGG GLGSVCRYAV SVAMARSGSP LPWATLLVNV LGCLLIGLLA QTLARDSVLR
GLFIAGFCGG FTTFSTFSLE CLTMWQAQQF GWLALYVVAS LALGLAAVAG GLALGRLL
//