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PYRR_CHLSY
ID   PYRR_CHLSY              Reviewed;         182 AA.
AC   B9LFU4;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 64.
DE   RecName: Full=Bifunctional protein PyrR {ECO:0000255|HAMAP-Rule:MF_01219};
DE   Includes:
DE     RecName: Full=Pyrimidine operon regulatory protein {ECO:0000255|HAMAP-Rule:MF_01219};
DE   Includes:
DE     RecName: Full=Uracil phosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_01219};
DE              Short=UPRTase {ECO:0000255|HAMAP-Rule:MF_01219};
DE              EC=2.4.2.9 {ECO:0000255|HAMAP-Rule:MF_01219};
GN   Name=pyrR {ECO:0000255|HAMAP-Rule:MF_01219}; OrderedLocusNames=Chy400_2042;
OS   Chloroflexus aurantiacus (strain ATCC 29364 / DSM 637 / Y-400-fl).
OC   Bacteria; Chloroflexi; Chloroflexia; Chloroflexales; Chloroflexineae;
OC   Chloroflexaceae; Chloroflexus.
OX   NCBI_TaxID=480224;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29364 / DSM 637 / Y-400-fl;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Sims D., Kiss H., Brettin T.,
RA   Detter J.C., Han C., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Ovchinnikova G., Bryant D.A., Richardson P.;
RT   "Complete sequence of Chloroflexus sp. Y-400-fl.";
RL   Submitted (JAN-2009) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Regulates the transcription of the pyrimidine nucleotide
CC       (pyr) operon in response to exogenous pyrimidines. {ECO:0000255|HAMAP-
CC       Rule:MF_01219}.
CC   -!- FUNCTION: Also displays a weak uracil phosphoribosyltransferase
CC       activity which is not physiologically significant. {ECO:0000255|HAMAP-
CC       Rule:MF_01219}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=diphosphate + UMP = 5-phospho-alpha-D-ribose 1-diphosphate +
CC         uracil; Xref=Rhea:RHEA:13017, ChEBI:CHEBI:17568, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:57865, ChEBI:CHEBI:58017; EC=2.4.2.9;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01219};
CC   -!- SIMILARITY: Belongs to the purine/pyrimidine phosphoribosyltransferase
CC       family. PyrR subfamily. {ECO:0000255|HAMAP-Rule:MF_01219}.
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DR   EMBL; CP001364; ACM53445.1; -; Genomic_DNA.
DR   RefSeq; WP_012257759.1; NC_012032.1.
DR   AlphaFoldDB; B9LFU4; -.
DR   SMR; B9LFU4; -.
DR   KEGG; chl:Chy400_2042; -.
DR   HOGENOM; CLU_094234_2_1_0; -.
DR   OMA; PIQPDFC; -.
DR   OrthoDB; 1725260at2; -.
DR   GO; GO:0004845; F:uracil phosphoribosyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006355; P:regulation of transcription, DNA-templated; IEA:UniProtKB-UniRule.
DR   CDD; cd06223; PRTases_typeI; 1.
DR   Gene3D; 3.40.50.2020; -; 1.
DR   HAMAP; MF_01219; PyrR; 1.
DR   InterPro; IPR000836; PRibTrfase_dom.
DR   InterPro; IPR029057; PRTase-like.
DR   InterPro; IPR023050; PyrR.
DR   Pfam; PF00156; Pribosyltran; 1.
DR   SUPFAM; SSF53271; SSF53271; 1.
PE   3: Inferred from homology;
KW   Glycosyltransferase; Transcription; Transcription regulation; Transferase.
FT   CHAIN           1..182
FT                   /note="Bifunctional protein PyrR"
FT                   /id="PRO_1000164847"
FT   MOTIF           99..111
FT                   /note="PRPP-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01219"
SQ   SEQUENCE   182 AA;  19995 MW;  B5344BB5FAC18A64 CRC64;
     MGNEKQILSA DEIRRALVRI AHEIDERNGG LRDVVLVGIR SRGVPLAERI AAAIADFEGT
     RIPVGQLDIT LYRDDLKLRG PAPRVRKTDL PIDITGKTVV LVDDVLFTGR TVRAALDAIA
     DLGRPARIQL AVLIDRGHRE LPIRADFVGK NVPTSLSERV MVRLRETDGV DEVVILRGSA
     ND
 
 
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