ID   URK_STRPG               Reviewed;         208 AA.
AC   A2RDZ9;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-MAR-2007, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Uridine kinase {ECO:0000255|HAMAP-Rule:MF_00551};
DE            EC=2.7.1.48 {ECO:0000255|HAMAP-Rule:MF_00551};
DE   AltName: Full=Cytidine monophosphokinase {ECO:0000255|HAMAP-Rule:MF_00551};
DE   AltName: Full=Uridine monophosphokinase {ECO:0000255|HAMAP-Rule:MF_00551};
GN   Name=udk {ECO:0000255|HAMAP-Rule:MF_00551}; OrderedLocusNames=SpyM50744;
OS   Streptococcus pyogenes serotype M5 (strain Manfredo).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=160491;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Manfredo;
RX   PubMed=17012393; DOI=10.1128/jb.01227-06;
RA   Holden M.T.G., Scott A., Cherevach I., Chillingworth T., Churcher C.,
RA   Cronin A., Dowd L., Feltwell T., Hamlin N., Holroyd S., Jagels K.,
RA   Moule S., Mungall K., Quail M.A., Price C., Rabbinowitsch E., Sharp S.,
RA   Skelton J., Whitehead S., Barrell B.G., Kehoe M., Parkhill J.;
RT   "Complete genome of acute rheumatic fever-associated serotype M5
RT   Streptococcus pyogenes strain Manfredo.";
RL   J. Bacteriol. 189:1473-1477(2007).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + uridine = ADP + H(+) + UMP; Xref=Rhea:RHEA:16825,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16704, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:57865, ChEBI:CHEBI:456216; EC=2.7.1.48;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00551};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + cytidine = ADP + CMP + H(+); Xref=Rhea:RHEA:24674,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17562, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:60377, ChEBI:CHEBI:456216; EC=2.7.1.48;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00551};
CC   -!- PATHWAY: Pyrimidine metabolism; CTP biosynthesis via salvage pathway;
CC       CTP from cytidine: step 1/3. {ECO:0000255|HAMAP-Rule:MF_00551}.
CC   -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via salvage pathway;
CC       UMP from uridine: step 1/1. {ECO:0000255|HAMAP-Rule:MF_00551}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00551}.
CC   -!- SIMILARITY: Belongs to the uridine kinase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00551}.
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DR   EMBL; AM295007; CAM30074.1; -; Genomic_DNA.
DR   RefSeq; WP_002984060.1; NC_009332.1.
DR   AlphaFoldDB; A2RDZ9; -.
DR   SMR; A2RDZ9; -.
DR   GeneID; 57852870; -.
DR   KEGG; spf:SpyM50744; -.
DR   HOGENOM; CLU_021278_1_2_9; -.
DR   OMA; TTLKPMH; -.
DR   UniPathway; UPA00574; UER00637.
DR   UniPathway; UPA00579; UER00640.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016773; F:phosphotransferase activity, alcohol group as acceptor; IEA:InterPro.
DR   GO; GO:0004849; F:uridine kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0044211; P:CTP salvage; IEA:UniProtKB-UniPathway.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0044206; P:UMP salvage; IEA:UniProtKB-UniPathway.
DR   CDD; cd02023; UMPK; 1.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_00551; Uridine_kinase; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR006083; PRK/URK.
DR   InterPro; IPR026008; Uridine_kinase.
DR   InterPro; IPR000764; Uridine_kinase-like.
DR   Pfam; PF00485; PRK; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00235; udk; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Nucleotide-binding; Transferase.
FT   CHAIN           1..208
FT                   /note="Uridine kinase"
FT                   /id="PRO_1000017909"
FT   BINDING         12..19
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00551"
SQ   SEQUENCE   208 AA;  23816 MW;  510007D58B379DB6 CRC64;
     MLKKPIIIGV TGGSGGGKTS VSRAILDSFP NARIAMIQHD SYYKDQSHMS FEERVKTNYD
     HPLAFDTDFM IQQLKELLAG RPVDIPIYDY KKHTRSNTTF RQDPQDVIIV EGILVLEDER
     LRDLMDIKLF VDTDDDIRII RRIKRDMMER GRSLESIIDQ YTSVVKPMYH QFIEPSKRYA
     DIVIPEGVSN VVAIDVINSK IASILGEV