ID   CLCB_ECOBW              Reviewed;         418 AA.
AC   C4ZY54;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   28-JUL-2009, sequence version 1.
DT   03-AUG-2022, entry version 66.
DE   RecName: Full=Voltage-gated ClC-type chloride channel ClcB {ECO:0000255|HAMAP-Rule:MF_01203};
GN   Name=clcB {ECO:0000255|HAMAP-Rule:MF_01203}; OrderedLocusNames=BWG_1406;
OS   Escherichia coli (strain K12 / MC4100 / BW2952).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=595496;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=K12 / MC4100 / BW2952;
RX   PubMed=19376874; DOI=10.1128/jb.00118-09;
RA   Ferenci T., Zhou Z., Betteridge T., Ren Y., Liu Y., Feng L., Reeves P.R.,
RA   Wang L.;
RT   "Genomic sequencing reveals regulatory mutations and recombinational events
RT   in the widely used MC4100 lineage of Escherichia coli K-12.";
RL   J. Bacteriol. 191:4025-4029(2009).
CC   -!- FUNCTION: Probably acts as an electrical shunt for an outwardly-
CC       directed proton pump that is linked to amino acid decarboxylation, as
CC       part of the extreme acid resistance (XAR) response. {ECO:0000255|HAMAP-
CC       Rule:MF_01203}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01203}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01203}.
CC   -!- SIMILARITY: Belongs to the chloride channel (TC 2.A.49) family. ClcB
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01203}.
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DR   EMBL; CP001396; ACR65258.1; -; Genomic_DNA.
DR   AlphaFoldDB; C4ZY54; -.
DR   SMR; C4ZY54; -.
DR   KEGG; ebw:BWG_1406; -.
DR   HOGENOM; CLU_015263_5_2_6; -.
DR   OMA; GPLTMTF; -.
DR   GO; GO:0034707; C:chloride channel complex; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0005247; F:voltage-gated chloride channel activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0034765; P:regulation of ion transmembrane transport; IEA:UniProtKB-KW.
DR   GO; GO:0010447; P:response to acidic pH; IEA:InterPro.
DR   HAMAP; MF_01203; CLC_ClcB; 1.
DR   InterPro; IPR014743; Cl-channel_core.
DR   InterPro; IPR001807; Cl-channel_volt-gated.
DR   InterPro; IPR023790; Cl-channel_volt-gated_ClcB.
DR   Pfam; PF00654; Voltage_CLC; 1.
DR   PRINTS; PR00762; CLCHANNEL.
DR   SUPFAM; SSF81340; SSF81340; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Chloride; Chloride channel;
KW   Ion channel; Ion transport; Membrane; Transmembrane; Transmembrane helix;
KW   Transport; Voltage-gated channel.
FT   CHAIN           1..418
FT                   /note="Voltage-gated ClC-type chloride channel ClcB"
FT                   /id="PRO_1000213849"
FT   TRANSMEM        2..22
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        54..74
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        146..166
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        168..188
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        222..242
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        258..278
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        291..311
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        316..336
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        352..372
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
FT   TRANSMEM        380..400
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01203"
SQ   SEQUENCE   418 AA;  44153 MW;  F19EAFD7C87F4C01 CRC64;
     MFHRLLIATV VGILAAFAVA GFRHAMLLLE WLFLNNDSGS LVNAATNLSP WRRLLTPALG
     GLAAGLLLMG WQKFTQQRPH APTDYMEALQ TDGQFDYAAS LVKSLASLLV VTSGSAIGRE
     GAMILLAALA ASCFAQRFTP RQEWKLWIAC GAAAGMAAAY RAPLAGSLFI AEVLFGTMML
     ASLGPVIISA VVALLVSNLI NHSDALLYNV QLSVTVQARD YALIISTGVL AGLCGPLLLT
     LMNACHRGFV SLKLAPPWQL ALGGLIVGLL SLFTPAVWGN GYSTVQSFLT APPLLMIIAG
     IFLCKLCAVL ASSGSGAPGG VFTPTLFIGL AIGMLYGRSL GLWFPDGEEI TLLLGLTGMA
     TLLAATTHAP IMSTLMICEM TGEYQLLPGL LIACVIASVI SRTLHRDSIY RQHTAQHS