ID   LRP_RHIME               Reviewed;         156 AA.
AC   P56901;
DT   30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT   30-MAY-2000, sequence version 1.
DT   03-AUG-2022, entry version 122.
DE   RecName: Full=Leucine-responsive regulatory protein;
GN   Name=lrp; OrderedLocusNames=R01568; ORFNames=SMc01223;
OS   Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium
OS   meliloti).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Sinorhizobium/Ensifer group; Sinorhizobium.
OX   NCBI_TaxID=266834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=RCR2011 / SU47;
RX   PubMed=11157937; DOI=10.1128/jb.183.4.1248-1258.2001;
RA   Lagares A., Hozbor D.F., Niehaus K., Pich Otero A.J.L., Lorenzen J.,
RA   Arnold W., Puehler A.;
RT   "Genetic characterization of a Sinorhizobium meliloti chromosomal region
RT   involved in lipopolysaccharide biosynthesis.";
RL   J. Bacteriol. 183:1248-1258(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11481430; DOI=10.1073/pnas.161294398;
RA   Capela D., Barloy-Hubler F., Gouzy J., Bothe G., Ampe F., Batut J.,
RA   Boistard P., Becker A., Boutry M., Cadieu E., Dreano S., Gloux S.,
RA   Godrie T., Goffeau A., Kahn D., Kiss E., Lelaure V., Masuy D., Pohl T.,
RA   Portetelle D., Puehler A., Purnelle B., Ramsperger U., Renard C.,
RA   Thebault P., Vandenbol M., Weidner S., Galibert F.;
RT   "Analysis of the chromosome sequence of the legume symbiont Sinorhizobium
RT   meliloti strain 1021.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:9877-9882(2001).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1021;
RX   PubMed=11474104; DOI=10.1126/science.1060966;
RA   Galibert F., Finan T.M., Long S.R., Puehler A., Abola P., Ampe F.,
RA   Barloy-Hubler F., Barnett M.J., Becker A., Boistard P., Bothe G.,
RA   Boutry M., Bowser L., Buhrmester J., Cadieu E., Capela D., Chain P.,
RA   Cowie A., Davis R.W., Dreano S., Federspiel N.A., Fisher R.F., Gloux S.,
RA   Godrie T., Goffeau A., Golding B., Gouzy J., Gurjal M., Hernandez-Lucas I.,
RA   Hong A., Huizar L., Hyman R.W., Jones T., Kahn D., Kahn M.L., Kalman S.,
RA   Keating D.H., Kiss E., Komp C., Lelaure V., Masuy D., Palm C., Peck M.C.,
RA   Pohl T.M., Portetelle D., Purnelle B., Ramsperger U., Surzycki R.,
RA   Thebault P., Vandenbol M., Vorhoelter F.J., Weidner S., Wells D.H.,
RA   Wong K., Yeh K.-C., Batut J.;
RT   "The composite genome of the legume symbiont Sinorhizobium meliloti.";
RL   Science 293:668-672(2001).
CC   -!- FUNCTION: Mediates a global response to leucine. Exogenous leucine
CC       affects the expression of a number of different operons; lrp mediates
CC       this effect for at least some of these operons (By similarity).
CC       {ECO:0000250}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
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DR   EMBL; AF193023; AAF06012.1; -; Genomic_DNA.
DR   EMBL; AL591688; CAC46147.1; -; Genomic_DNA.
DR   RefSeq; NP_385674.1; NC_003047.1.
DR   RefSeq; WP_003529557.1; NC_003047.1.
DR   AlphaFoldDB; P56901; -.
DR   SMR; P56901; -.
DR   STRING; 266834.SMc01223; -.
DR   EnsemblBacteria; CAC46147; CAC46147; SMc01223.
DR   GeneID; 61603030; -.
DR   KEGG; sme:SMc01223; -.
DR   PATRIC; fig|266834.11.peg.2994; -.
DR   eggNOG; COG1522; Bacteria.
DR   HOGENOM; CLU_091233_0_3_5; -.
DR   OMA; VSMRQED; -.
DR   Proteomes; UP000001976; Chromosome.
DR   GO; GO:0043565; F:sequence-specific DNA binding; IEA:InterPro.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:UniProt.
DR   CDD; cd00090; HTH_ARSR; 1.
DR   Gene3D; 1.10.10.10; -; 1.
DR   InterPro; IPR011991; ArsR-like_HTH.
DR   InterPro; IPR000485; AsnC-type_HTH_dom.
DR   InterPro; IPR011008; Dimeric_a/b-barrel.
DR   InterPro; IPR019888; Tscrpt_reg_AsnC-like.
DR   InterPro; IPR019887; Tscrpt_reg_AsnC/Lrp_C.
DR   InterPro; IPR019885; Tscrpt_reg_HTH_AsnC-type_CS.
DR   InterPro; IPR036388; WH-like_DNA-bd_sf.
DR   InterPro; IPR036390; WH_DNA-bd_sf.
DR   Pfam; PF01037; AsnC_trans_reg; 1.
DR   PRINTS; PR00033; HTHASNC.
DR   SMART; SM00344; HTH_ASNC; 1.
DR   SUPFAM; SSF46785; SSF46785; 1.
DR   SUPFAM; SSF54909; SSF54909; 1.
DR   PROSITE; PS00519; HTH_ASNC_1; 1.
DR   PROSITE; PS50956; HTH_ASNC_2; 1.
PE   3: Inferred from homology;
KW   Activator; DNA-binding; Reference proteome; Transcription;
KW   Transcription regulation.
FT   CHAIN           1..156
FT                   /note="Leucine-responsive regulatory protein"
FT                   /id="PRO_0000111734"
FT   DOMAIN          7..68
FT                   /note="HTH asnC-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00319"
FT   DNA_BIND        26..45
FT                   /note="H-T-H motif"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00319"
SQ   SEQUENCE   156 AA;  17413 MW;  278285498E0903B2 CRC64;
     MVVRVELDAI DMKILRELQD DGRITNVELA ERVGISAPPC LRRVRKLEEA GVIRGYRALL
     NASALGYDLV AFCMVGLKHQ SDANLKAFAA RTASWPLVRE AWMVSGESDF LLQCVAENLA
     SFQDFVIEEL TATENVDTVR TMLTIRQVKD ACQVEI