ID   URK_STRPS               Reviewed;         212 AA.
AC   B2IPS2;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 78.
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=SPCG_1092;
OS   Streptococcus pneumoniae (strain CGSP14).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=516950;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CGSP14;
RX   PubMed=19361343; DOI=10.1186/1471-2164-10-158;
RA   Ding F., Tang P., Hsu M.-H., Cui P., Hu S., Yu J., Chiu C.-H.;
RT   "Genome evolution driven by host adaptations results in a more virulent and
RT   antimicrobial-resistant Streptococcus pneumoniae serotype 14.";
RL   BMC Genomics 10:158-158(2009).
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; CP001033; ACB90344.1; -; Genomic_DNA.
DR   RefSeq; WP_001181378.1; NC_010582.1.
DR   AlphaFoldDB; B2IPS2; -.
DR   SMR; B2IPS2; -.
DR   EnsemblBacteria; ACB90344; ACB90344; SPCG_1092.
DR   GeneID; 60233216; -.
DR   GeneID; 66806324; -.
DR   KEGG; spw:SPCG_1092; -.
DR   HOGENOM; CLU_021278_1_2_9; -.
DR   OMA; TTLKPMH; -.
DR   UniPathway; UPA00574; UER00637.
DR   UniPathway; UPA00579; UER00640.
DR   Proteomes; UP000001682; Chromosome.
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..212
FT                   /note="Uridine kinase"
FT                   /id="PRO_1000129093"
FT   BINDING         12..19
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00551"
SQ   SEQUENCE   212 AA;  24466 MW;  47B405D377C70A8A CRC64;
     MQNRPIIIGV TGGSGGGKTS VSRAILSHFP DEKISMIEHD SYYKDQSHLT FEERVKTNYD
     HPFAFDTDLM IEQIKELLAG RPVDIPTYDY TEHTRSSKTY RQEPQDVFIV EGILVLEDKR
     LRDLMDIKIF VDTDDDVRII RRIKRDMEER GRSLDSVINQ YLGVVKPMYH QFIESTKRYA
     DIVIPEGVSN TVAIDLLTTK IAKILEEARN SK