ID   URK_BREBN               Reviewed;         214 AA.
AC   C0ZAS6;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   02-SEP-2026, entry version 86.
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};
GN   OrderedLocusNames=BBR47_19080;
OS   Brevibacillus brevis (strain 47 / JCM 6285 / NBRC 100599).
OC   Bacteria; Bacillati; Bacillota; Bacilli; Caryophanales; Paenibacillaceae;
OC   Brevibacillus.
OX   NCBI_TaxID=358681;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=47 / JCM 6285 / NBRC 100599;
RA   Hosoyama A., Yamada R., Hongo Y., Terui Y., Ankai A., Masuyama W.,
RA   Sekiguchi M., Takeda T., Asano K., Ohji S., Ichikawa N., Narita S.,
RA   Aoki N., Miura H., Matsushita S., Sekigawa T., Yamagata H., Yoshikawa H.,
RA   Udaka S., Tanikawa S., Fujita N.;
RT   "Brevibacillus brevis strain 47, complete genome.";
RL   Submitted (MAR-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=uridine + ATP = UMP + ADP + H(+); 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=cytidine + ATP = CMP + ADP + 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; AP008955; BAH42885.1; -; Genomic_DNA.
DR   RefSeq; WP_012685622.1; NC_012491.1.
DR   AlphaFoldDB; C0ZAS6; -.
DR   SMR; C0ZAS6; -.
DR   STRING; 358681.BBR47_19080; -.
DR   KEGG; bbe:BBR47_19080; -.
DR   eggNOG; COG0572; Bacteria.
DR   HOGENOM; CLU_021278_1_2_9; -.
DR   UniPathway; UPA00574; UER00637.
DR   UniPathway; UPA00579; UER00640.
DR   Proteomes; UP000001877; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0043771; F:cytidine kinase activity; IEA:RHEA.
DR   GO; GO:0004849; F:uridine kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0044211; P:CTP salvage; IEA:UniProtKB-UniRule.
DR   GO; GO:0044206; P:UMP salvage; IEA:UniProtKB-UniRule.
DR   CDD; cd02023; UMPK; 1.
DR   Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 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   NCBIfam; NF004018; PRK05480.1; 1.
DR   NCBIfam; TIGR00235; udk; 1.
DR   PANTHER; PTHR10285; URIDINE KINASE; 1.
DR   Pfam; PF00485; PRK; 1.
DR   PRINTS; PR00988; URIDINKINASE.
DR   SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Kinase; Nucleotide-binding; Reference proteome;
KW   Transferase.
FT   CHAIN           1..214
FT                   /note="Uridine kinase"
FT                   /id="PRO_1000200508"
FT   BINDING         11..18
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00551"
SQ   SEQUENCE   214 AA;  24530 MW;  A47C4D2C49FA2E53 CRC64;
     MGNPVLIGVA GGSGSGKTTV AKELYRQFQN DSVTMIEQDS YYKDQSHLSP EERALTNYDH
     PFAFDNDLLL AHLQELMQGK AIQKPIYDFK VHNRKPEQIQ VDPKDVIILE GMLILEDERI
     RNLMDIKVYV DTDADVRIAR RIVRDIEERG RSLDSVVTQY LNVVRPMHLQ FIEPTKRYAD
     VIIPEGGYNR VALDLLSTKI GNILLEKQQF TNQS
//