ID   CRCB2_ALKCK             Reviewed;         114 AA.
AC   Q5WJQ1;
DT   05-JUL-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 89.
DE   RecName: Full=Putative fluoride ion transporter CrcB 2 {ECO:0000255|HAMAP-Rule:MF_00454};
GN   Name=crcB2 {ECO:0000255|HAMAP-Rule:MF_00454}; OrderedLocusNames=ABC0865;
OS   Alkalihalobacillus clausii (strain KSM-K16) (Bacillus clausii).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Alkalihalobacillus.
OX   NCBI_TaxID=66692;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KSM-K16;
RA   Takaki Y., Kageyama Y., Shimamura S., Suzuki H., Nishi S., Hatada Y.,
RA   Kawai S., Ito S., Horikoshi K.;
RT   "The complete genome sequence of the alkaliphilic Bacillus clausii KSM-
RT   K16.";
RL   Submitted (OCT-2003) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Important for reducing fluoride concentration in the cell,
CC       thus reducing its toxicity. {ECO:0000255|HAMAP-Rule:MF_00454}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00454};
CC       Multi-pass membrane protein {ECO:0000255|HAMAP-Rule:MF_00454}.
CC   -!- SIMILARITY: Belongs to the CrcB (TC 9.B.71) family. {ECO:0000255|HAMAP-
CC       Rule:MF_00454}.
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DR   EMBL; AP006627; BAD63404.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q5WJQ1; -.
DR   SMR; Q5WJQ1; -.
DR   STRING; 66692.ABC0865; -.
DR   EnsemblBacteria; BAD63404; BAD63404; ABC0865.
DR   KEGG; bcl:ABC0865; -.
DR   eggNOG; COG0239; Bacteria.
DR   HOGENOM; CLU_114342_3_2_9; -.
DR   OrthoDB; 1942863at2; -.
DR   Proteomes; UP000001168; Chromosome.
DR   GO; GO:0005887; C:integral component of plasma membrane; IEA:UniProtKB-UniRule.
DR   GO; GO:1903425; F:fluoride transmembrane transporter activity; IEA:UniProt.
DR   HAMAP; MF_00454; CrcB; 1.
DR   InterPro; IPR003691; CrcB.
DR   PANTHER; PTHR28259; PTHR28259; 1.
DR   Pfam; PF02537; CRCB; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Reference proteome; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..114
FT                   /note="Putative fluoride ion transporter CrcB 2"
FT                   /id="PRO_0000110055"
FT   TRANSMEM        3..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        31..51
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        57..77
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        92..112
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
SQ   SEQUENCE   114 AA;  12668 MW;  FE372C226897DEFC CRC64;
     MMYVIIGGAV GACLRFAVSE CWLKFGKNAQ LMTAVFVINI SGCAMLGWIL AKPLPEGIEL
     LFISMLGGFT TFSTFCMEAL ELWRLKKRKQ AMIYLVISIV GSLFGFLFGW NVRA