ID   CRCB3_METBF             Reviewed;         132 AA.
AC   Q464W5;
DT   17-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 100.
DE   RecName: Full=Putative fluoride ion transporter CrcB 3 {ECO:0000255|HAMAP-Rule:MF_00454};
GN   Name=crcB3 {ECO:0000255|HAMAP-Rule:MF_00454}; OrderedLocusNames=Mbar_A3714;
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}.
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DR   EMBL; CP000099; AAZ72577.1; -; Genomic_DNA.
DR   RefSeq; WP_011308614.1; NC_007355.1.
DR   AlphaFoldDB; Q464W5; -.
DR   SMR; Q464W5; -.
DR   STRING; 269797.Mbar_A3714; -.
DR   EnsemblBacteria; AAZ72577; AAZ72577; Mbar_A3714.
DR   GeneID; 3624945; -.
DR   KEGG; mba:Mbar_A3714; -.
DR   eggNOG; arCOG04701; Archaea.
DR   HOGENOM; CLU_114342_3_2_2; -.
DR   OMA; FLMFESF; -.
DR   OrthoDB; 112898at2157; -.
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..132
FT                   /note="Putative fluoride ion transporter CrcB 3"
FT                   /id="PRO_0000252964"
FT   TRANSMEM        4..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        32..52
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        66..86
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
FT   TRANSMEM        95..115
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00454"
SQ   SEQUENCE   132 AA;  14471 MW;  00C3EAF564556F7D CRC64;
     MYTILLVGIG GFIGATLRYV FGGWIQNSFV NFPVGTLTIN TIGSFFLGLI MYFSEYQGLF
     SDQTRIFLTI GILGAFTTLS TFGYESFRLL DDSKLMLMSI NVVSTVLFSM MAVYLGKTVA
     LGVSSYLLGG MK