ID   BETI_VIBVU              Reviewed;         198 AA.
AC   Q8D3K4;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   26-APR-2004, sequence version 2.
DT   25-MAY-2022, entry version 106.
DE   RecName: Full=HTH-type transcriptional regulator BetI {ECO:0000255|HAMAP-Rule:MF_00768};
GN   Name=betI {ECO:0000255|HAMAP-Rule:MF_00768}; OrderedLocusNames=VV2_1686;
OS   Vibrio vulnificus (strain CMCP6).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=216895;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CMCP6;
RA   Rhee J.H., Kim S.Y., Chung S.S., Kim J.J., Moon Y.H., Jeong H., Choy H.E.;
RT   "Complete genome sequence of Vibrio vulnificus CMCP6.";
RL   Submitted (DEC-2002) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Repressor involved in the biosynthesis of the osmoprotectant
CC       glycine betaine. It represses transcription of the choline transporter
CC       BetT and the genes of BetAB involved in the synthesis of glycine
CC       betaine (By similarity). {ECO:0000250}.
CC   -!- PATHWAY: Amine and polyamine biosynthesis; betaine biosynthesis via
CC       choline pathway [regulation].
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DR   EMBL; AE016796; AAO08542.2; -; Genomic_DNA.
DR   RefSeq; WP_011082524.1; NC_004460.2.
DR   AlphaFoldDB; Q8D3K4; -.
DR   SMR; Q8D3K4; -.
DR   EnsemblBacteria; AAO08542; AAO08542; VV2_1686.
DR   GeneID; 66967032; -.
DR   KEGG; vvu:VV2_1686; -.
DR   HOGENOM; CLU_069356_15_4_6; -.
DR   OMA; WLAFYAE; -.
DR   UniPathway; UPA00529; -.
DR   Proteomes; UP000002275; Chromosome 2.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0003700; F:DNA-binding transcription factor activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019285; P:glycine betaine biosynthetic process from choline; IEA:UniProtKB-UniRule.
DR   GO; GO:0045892; P:negative regulation of transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00768; HTH_type_BetI; 1.
DR   InterPro; IPR039538; BetI_C.
DR   InterPro; IPR023772; DNA-bd_HTH_TetR-type_CS.
DR   InterPro; IPR009057; Homeobox-like_sf.
DR   InterPro; IPR001647; HTH_TetR.
DR   InterPro; IPR036271; Tet_transcr_reg_TetR-rel_C_sf.
DR   InterPro; IPR017757; Tscrpt_rep_BetI.
DR   Pfam; PF13977; TetR_C_6; 1.
DR   Pfam; PF00440; TetR_N; 1.
DR   SUPFAM; SSF46689; SSF46689; 1.
DR   SUPFAM; SSF48498; SSF48498; 1.
DR   TIGRFAMs; TIGR03384; betaine_BetI; 1.
DR   PROSITE; PS01081; HTH_TETR_1; 1.
DR   PROSITE; PS50977; HTH_TETR_2; 1.
PE   3: Inferred from homology;
KW   DNA-binding; Repressor; Transcription; Transcription regulation.
FT   CHAIN           1..198
FT                   /note="HTH-type transcriptional regulator BetI"
FT                   /id="PRO_0000070589"
FT   DOMAIN          8..68
FT                   /note="HTH tetR-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00768"
FT   DNA_BIND        31..50
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00768"
SQ   SEQUENCE   198 AA;  22303 MW;  B01C64C0CB8FE0AD CRC64;
     MPKVGMPKIR RPQLVSATMT VIDRVGLHGA SVSLISQEAG VSSGIINHYF GGKHGLLEET
     MRDILRQLSC DATKRLNLLP KQAHMQRINA ILDANFVGFQ SESKVIKTWL AFWSYSMHDE
     ALKRLQRVNE KRLLSHLKRE LKALMSKEQA DIVAQGIAAL IDGIWLRGAL NPEGINANKA
     RIIINDYLEK QLTFYSQQ