ID   CRCB2_BACCR             Reviewed;         118 AA.
AC   Q815R5;
DT   24-MAY-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 94.
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=BC_5068;
OS   Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC
OS   15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=226900;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373
RC   / NCTC 2599 / NRRL B-3711;
RX   PubMed=12721630; DOI=10.1038/nature01582;
RA   Ivanova N., Sorokin A., Anderson I., Galleron N., Candelon B., Kapatral V.,
RA   Bhattacharyya A., Reznik G., Mikhailova N., Lapidus A., Chu L., Mazur M.,
RA   Goltsman E., Larsen N., D'Souza M., Walunas T., Grechkin Y., Pusch G.,
RA   Haselkorn R., Fonstein M., Ehrlich S.D., Overbeek R., Kyrpides N.C.;
RT   "Genome sequence of Bacillus cereus and comparative analysis with Bacillus
RT   anthracis.";
RL   Nature 423:87-91(2003).
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; AE016877; AAP11937.1; -; Genomic_DNA.
DR   RefSeq; NP_834736.1; NC_004722.1.
DR   RefSeq; WP_000568587.1; NZ_CP034551.1.
DR   AlphaFoldDB; Q815R5; -.
DR   SMR; Q815R5; -.
DR   STRING; 226900.BC_5068; -.
DR   EnsemblBacteria; AAP11937; AAP11937; BC_5068.
DR   GeneID; 67509729; -.
DR   KEGG; bce:BC5068; -.
DR   PATRIC; fig|226900.8.peg.5227; -.
DR   HOGENOM; CLU_114342_2_3_9; -.
DR   OMA; FLMFESF; -.
DR   Proteomes; UP000001417; Chromosome.
DR   GO; GO:0005887; C:integral component of plasma membrane; IBA:GO_Central.
DR   GO; GO:1903425; F:fluoride transmembrane transporter activity; IBA:GO_Central.
DR   GO; GO:1903424; P:fluoride transmembrane transport; IBA:GO_Central.
DR   HAMAP; MF_00454; CrcB; 1.
DR   InterPro; IPR003691; CrcB.
DR   PANTHER; PTHR28259; PTHR28259; 1.
DR   Pfam; PF02537; CRCB; 1.
DR   TIGRFAMs; TIGR00494; crcB; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Reference proteome; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..118
FT                   /note="Putative fluoride ion transporter CrcB 2"
FT                   /id="PRO_0000110044"
FT   TRANSMEM        1..21
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        33..53
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        55..75
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        91..111
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
SQ   SEQUENCE   118 AA;  12917 MW;  AE9902B72E0874CD CRC64;
     MIEALLVATG GFFGAITRFA ISNWFKKRNK TQFPLATFLI NITGAFLLGY IIGNGVTTGW
     QLLLGTGFMG AFTTFSTFKL EAVQLLNRKN ISTFLLYLSA TYIIGILFAF LGMKLGGI