ID A0A2A9G4X3_9VIBR Unreviewed; 199 AA.
AC A0A2A9G4X3;
DT 20-DEC-2017, integrated into UniProtKB/TrEMBL.
DT 20-DEC-2017, sequence version 1.
DT 24-JAN-2024, entry version 18.
DE RecName: Full=HTH-type transcriptional regulator BetI {ECO:0000256|HAMAP-Rule:MF_00768};
GN Name=betI {ECO:0000256|HAMAP-Rule:MF_00768};
GN ORFNames=ATG66_0489 {ECO:0000313|EMBL:PFG57986.1};
OS Vibrio sp. ES.051.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Vibrio.
OX NCBI_TaxID=1761909 {ECO:0000313|EMBL:PFG57986.1, ECO:0000313|Proteomes:UP000223114};
RN [1] {ECO:0000313|EMBL:PFG57986.1, ECO:0000313|Proteomes:UP000223114}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ES.051 {ECO:0000313|EMBL:PFG57986.1,
RC ECO:0000313|Proteomes:UP000223114};
RA Fredrickson J.;
RT "Microbial Interactions in Extremophilic Mat Communities.";
RL Submitted (OCT-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Repressor involved in choline regulation of the bet genes.
CC {ECO:0000256|HAMAP-Rule:MF_00768}.
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. {ECO:0000256|ARBA:ARBA00024936}.
CC -!- PATHWAY: Amine and polyamine biosynthesis; betaine biosynthesis via
CC choline pathway [regulation]. {ECO:0000256|ARBA:ARBA00004719,
CC ECO:0000256|HAMAP-Rule:MF_00768}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PFG57986.1}.
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DR EMBL; PDJL01000003; PFG57986.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2A9G4X3; -.
DR OrthoDB; 7618612at2; -.
DR UniPathway; UPA00529; -.
DR Proteomes; UP000223114; Unassembled WGS sequence.
DR GO; GO:0003677; F:DNA binding; IEA:UniProtKB-UniRule.
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 DNA-templated transcription; IEA:UniProtKB-UniRule.
DR Gene3D; 1.10.357.10; Tetracycline Repressor, domain 2; 1.
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 NCBIfam; TIGR03384; betaine_BetI; 1.
DR PANTHER; PTHR30055:SF234; HTH-TYPE TRANSCRIPTIONAL REGULATOR BETI; 1.
DR PANTHER; PTHR30055; HTH-TYPE TRANSCRIPTIONAL REGULATOR RUTR; 1.
DR Pfam; PF13977; TetR_C_6; 1.
DR Pfam; PF00440; TetR_N; 1.
DR SUPFAM; SSF46689; Homeodomain-like; 1.
DR SUPFAM; SSF48498; Tetracyclin repressor-like, C-terminal domain; 1.
DR PROSITE; PS01081; HTH_TETR_1; 1.
DR PROSITE; PS50977; HTH_TETR_2; 1.
PE 3: Inferred from homology;
KW DNA-binding {ECO:0000256|HAMAP-Rule:MF_00768, ECO:0000256|PROSITE-
KW ProRule:PRU00335};
KW Repressor {ECO:0000256|ARBA:ARBA00022491, ECO:0000256|HAMAP-Rule:MF_00768};
KW Transcription {ECO:0000256|ARBA:ARBA00023163, ECO:0000256|HAMAP-
KW Rule:MF_00768};
KW Transcription regulation {ECO:0000256|ARBA:ARBA00023015, ECO:0000256|HAMAP-
KW Rule:MF_00768}.
FT DOMAIN 8..68
FT /note="HTH tetR-type"
FT /evidence="ECO:0000259|PROSITE:PS50977"
FT DNA_BIND 31..50
FT /note="H-T-H motif"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00768,
FT ECO:0000256|PROSITE-ProRule:PRU00335"
SQ SEQUENCE 199 AA; 22501 MW; DC254654DA71FF05 CRC64;
MPKVGMPEIR KPQLVKATMS VIDRVGLHAA SISLISKEAG VSTGIINHYF GGKHGLLEET
MREILRQLSS TITQKLRELP SDAHQQRINA IIDGNFVGYQ AENQVAKTWL AFWSYSMHDE
QLKRLQRVNE RRLLSHLRKE LKALLNTEQA ELVANGIASL IDGIWLRGTL NPQGIDAGKA
RIIINDYLEK QLTYYSQKN
//