ID   CRCB1_METBF             Reviewed;         116 AA.
AC   Q46F67;
DT   17-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 2.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Putative fluoride ion transporter CrcB 1 {ECO:0000255|HAMAP-Rule:MF_00454};
GN   Name=crcB1 {ECO:0000255|HAMAP-Rule:MF_00454}; OrderedLocusNames=Mbar_A0493;
OS   Methanosarcina barkeri (strain Fusaro / DSM 804).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=269797;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Fusaro / DSM 804;
RX   PubMed=16980466; DOI=10.1128/jb.00810-06;
RA   Maeder D.L., Anderson I., Brettin T.S., Bruce D.C., Gilna P., Han C.S.,
RA   Lapidus A., Metcalf W.W., Saunders E., Tapia R., Sowers K.R.;
RT   "The Methanosarcina barkeri genome: comparative analysis with
RT   Methanosarcina acetivorans and Methanosarcina mazei reveals extensive
RT   rearrangement within methanosarcinal genomes.";
RL   J. Bacteriol. 188:7922-7931(2006).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAZ69475.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000099; AAZ69475.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; Q46F67; -.
DR   SMR; Q46F67; -.
DR   STRING; 269797.Mbar_A0493; -.
DR   EnsemblBacteria; AAZ69475; AAZ69475; Mbar_A0493.
DR   KEGG; mba:Mbar_A0493; -.
DR   eggNOG; arCOG04701; Archaea.
DR   HOGENOM; CLU_114342_3_2_2; -.
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.
DR   TIGRFAMs; TIGR00494; crcB; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; Transmembrane; Transmembrane helix; Transport.
FT   CHAIN           1..116
FT                   /note="Putative fluoride ion transporter CrcB 1"
FT                   /id="PRO_0000252962"
FT   TRANSMEM        1..21
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        58..78
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   116 AA;  12517 MW;  A28479FFE31CF71C CRC64;
     MGKLFLIGAG GFIGACLRYT VSSQVPRIKN IPAGTLTVNL LGTIVLAFLT FSSEPQSMVY
     LVNIGILGSF TTFSTFAYET FKLLEEGQNF SFFLNIFLNV ALCLVGVSIA YLALSL