ID   YPB3_LACLL              Reviewed;         196 AA.
AC   P42097;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   25-MAY-2022, entry version 75.
DE   RecName: Full=Uncharacterized HTH-type transcriptional regulator in lacX 3'region;
DE   AltName: Full=ORF3;
OS   Lactococcus lactis subsp. lactis (Streptococcus lactis).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Lactococcus.
OX   NCBI_TaxID=1360;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=CNRZ 270;
RX   PubMed=1339371; DOI=10.1016/0378-1119(92)90246-l;
RA   Huang D.C., Novel M., Huang X.F., Novel G.;
RT   "Nonidentity between plasmid and chromosomal copies of ISS1-like sequences
RT   in Lactococcus lactis subsp. lactis CNRZ270 and their possible role in
RT   chromosomal integration of plasmid genes.";
RL   Gene 118:39-46(1992).
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DR   EMBL; X60456; CAA42989.1; -; Genomic_DNA.
DR   PIR; S25784; S25784.
DR   RefSeq; WP_015063504.1; NZ_QYRO01000022.1.
DR   AlphaFoldDB; P42097; -.
DR   SMR; P42097; -.
DR   GO; GO:0003677; F:DNA binding; IEA:UniProtKB-KW.
DR   InterPro; IPR009057; Homeobox-like_sf.
DR   InterPro; IPR001647; HTH_TetR.
DR   InterPro; IPR036271; Tet_transcr_reg_TetR-rel_C_sf.
DR   InterPro; IPR011075; TetR_C.
DR   Pfam; PF16925; TetR_C_13; 1.
DR   Pfam; PF00440; TetR_N; 1.
DR   PRINTS; PR00455; HTHTETR.
DR   SUPFAM; SSF46689; SSF46689; 1.
DR   SUPFAM; SSF48498; SSF48498; 1.
DR   PROSITE; PS50977; HTH_TETR_2; 1.
PE   4: Predicted;
KW   DNA-binding; Transcription; Transcription regulation.
FT   CHAIN           1..196
FT                   /note="Uncharacterized HTH-type transcriptional regulator
FT                   in lacX 3'region"
FT                   /id="PRO_0000070673"
FT   DOMAIN          7..67
FT                   /note="HTH tetR-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00335"
FT   DNA_BIND        30..49
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00335"
SQ   SEQUENCE   196 AA;  22240 MW;  449C9E462E0B7BDA CRC64;
     MEVYNLRNTK EKILTATEQL IYKKGYTGTS INDILDETAT GKGQFYYYFD SKKEACLAVI
     DNHVKIWQKH LLNGILSRDE SPLANLKEML DWIYSDHAQK KIYYGCPVGN LVIELSALDE
     DFRKPLEQLF SDLQKKIAEN LSALTGLLVK QNLPAAHAII AQIQGSLLLL KVTQDLNVLE
     SNFDLLKTSF EKVGEK