ID   CRCB_DEIRA              Reviewed;         126 AA.
AC   Q9RXX0;
DT   26-SEP-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   25-MAY-2022, entry version 111.
DE   RecName: Full=Putative fluoride ion transporter CrcB {ECO:0000255|HAMAP-Rule:MF_00454};
GN   Name=crcB {ECO:0000255|HAMAP-Rule:MF_00454}; OrderedLocusNames=DR_0185;
OS   Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG
OS   4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422).
OC   Bacteria; Deinococcus-Thermus; Deinococci; Deinococcales; Deinococcaceae;
OC   Deinococcus.
OX   NCBI_TaxID=243230;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB
RC   9279 / R1 / VKM B-1422;
RX   PubMed=10567266; DOI=10.1126/science.286.5444.1571;
RA   White O., Eisen J.A., Heidelberg J.F., Hickey E.K., Peterson J.D.,
RA   Dodson R.J., Haft D.H., Gwinn M.L., Nelson W.C., Richardson D.L.,
RA   Moffat K.S., Qin H., Jiang L., Pamphile W., Crosby M., Shen M.,
RA   Vamathevan J.J., Lam P., McDonald L.A., Utterback T.R., Zalewski C.,
RA   Makarova K.S., Aravind L., Daly M.J., Minton K.W., Fleischmann R.D.,
RA   Ketchum K.A., Nelson K.E., Salzberg S.L., Smith H.O., Venter J.C.,
RA   Fraser C.M.;
RT   "Genome sequence of the radioresistant bacterium Deinococcus radiodurans
RT   R1.";
RL   Science 286:1571-1577(1999).
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; AE000513; AAF09781.1; -; Genomic_DNA.
DR   PIR; B75549; B75549.
DR   RefSeq; NP_293909.1; NC_001263.1.
DR   RefSeq; WP_010886831.1; NZ_CP015081.1.
DR   AlphaFoldDB; Q9RXX0; -.
DR   SMR; Q9RXX0; -.
DR   STRING; 243230.DR_0185; -.
DR   EnsemblBacteria; AAF09781; AAF09781; DR_0185.
DR   KEGG; dra:DR_0185; -.
DR   PATRIC; fig|243230.17.peg.349; -.
DR   eggNOG; COG0239; Bacteria.
DR   HOGENOM; CLU_114342_1_1_0; -.
DR   InParanoid; Q9RXX0; -.
DR   OMA; TWMLETH; -.
DR   Proteomes; UP000002524; Chromosome I.
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.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Reference proteome; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..126
FT                   /note="Putative fluoride ion transporter CrcB"
FT                   /id="PRO_0000110094"
FT   TRANSMEM        7..27
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        36..56
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        74..94
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        98..118
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
SQ   SEQUENCE   126 AA;  12784 MW;  69ABFB9D4C54CA0B CRC64;
     MSFPLWLWLA LGGAVGAVCR QAAVLLLAPL VARTGFPAAV LLINVLGSFL LGLTLALTGR
     GVWPEAVRMT FGTGVLGAFT TFSTFSTELD GLLLRGQGGL ALAYAALSVG LGLTAAVAGR
     VLGARL