PYRR_PSEPU
ID PYRR_PSEPU Reviewed; 172 AA.
AC Q9Z441;
DT 30-AUG-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1999, sequence version 1.
DT 03-AUG-2022, entry version 70.
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};
OS Pseudomonas putida (Arthrobacter siderocapsulatus).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=303;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=PPN1;
RA Patel M.V., Kumar A.K., Fields C.J., O'Donovan G.A.;
RT "A transcriptional activator, PyrR, regulates expression of pyrimidine
RT biosynthetic genes in Pseudomonas aeruginosa and Pseudomonas putida.";
RL Submitted (OCT-1997) 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; AF031895; AAC98730.1; -; Genomic_DNA.
DR AlphaFoldDB; Q9Z441; -.
DR SMR; Q9Z441; -.
DR STRING; 1240350.AMZE01000005_gene2536; -.
DR eggNOG; COG2065; Bacteria.
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..172
FT /note="Bifunctional protein PyrR"
FT /id="PRO_0000183051"
FT MOTIF 90..102
FT /note="PRPP-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01219"
FT BINDING 36..37
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 77
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 94..102
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 151
FT /ligand="substrate"
FT /evidence="ECO:0000250"
SQ SEQUENCE 172 AA; 18733 MW; 91F956FCF1D11848 CRC64;
MSLPNPADLI RQMAVDLRAH LARRAITEPR YIGIRTGGVW VAQALQEAMG DSSPMGTLDV
SFYRDDFSQN GLHPQVRPSE LPFEVEGQHL VLVDDVLMSG RTIRAALNEL FDYGRPASVT
LVCLLDLDAG ELPIRPNVLG ATLSLAAHER VKLTGPAPLA LERQDLASRS AL