ID   GTAB_STAEQ              Reviewed;         288 AA.
AC   Q5HLD1;
DT   23-OCT-2007, integrated into UniProtKB/Swiss-Prot.
DT   15-FEB-2005, sequence version 1.
DT   25-MAY-2022, entry version 90.
DE   RecName: Full=UTP--glucose-1-phosphate uridylyltransferase;
DE            EC=2.7.7.9;
DE   AltName: Full=Alpha-D-glucosyl-1-phosphate uridylyltransferase;
DE   AltName: Full=UDP-glucose pyrophosphorylase;
DE            Short=UDPGP;
DE   AltName: Full=Uridine diphosphoglucose pyrophosphorylase;
GN   Name=gtaB; Synonyms=galU; OrderedLocusNames=SERP2056;
OS   Staphylococcus epidermidis (strain ATCC 35984 / RP62A).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=176279;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35984 / RP62A;
RX   PubMed=15774886; DOI=10.1128/jb.187.7.2426-2438.2005;
RA   Gill S.R., Fouts D.E., Archer G.L., Mongodin E.F., DeBoy R.T., Ravel J.,
RA   Paulsen I.T., Kolonay J.F., Brinkac L.M., Beanan M.J., Dodson R.J.,
RA   Daugherty S.C., Madupu R., Angiuoli S.V., Durkin A.S., Haft D.H.,
RA   Vamathevan J.J., Khouri H., Utterback T.R., Lee C., Dimitrov G., Jiang L.,
RA   Qin H., Weidman J., Tran K., Kang K.H., Hance I.R., Nelson K.E.,
RA   Fraser C.M.;
RT   "Insights on evolution of virulence and resistance from the complete genome
RT   analysis of an early methicillin-resistant Staphylococcus aureus strain and
RT   a biofilm-producing methicillin-resistant Staphylococcus epidermidis
RT   strain.";
RL   J. Bacteriol. 187:2426-2438(2005).
CC   -!- FUNCTION: Catalyzes the formation of UDP-glucose from glucose-1-
CC       phosphate and UTP. This is an intermediate step in the biosynthesis of
CC       diglucosyl-diacylglycerol (Glc2-DAG), i.e. a glycolipid found in the
CC       membrane, which is also used as a membrane anchor for lipoteichoic acid
CC       (LTA) (By similarity). {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=alpha-D-glucose 1-phosphate + H(+) + UTP = diphosphate + UDP-
CC         alpha-D-glucose; Xref=Rhea:RHEA:19889, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:46398, ChEBI:CHEBI:58601,
CC         ChEBI:CHEBI:58885; EC=2.7.7.9;
CC   -!- PATHWAY: Glycolipid metabolism; diglucosyl-diacylglycerol biosynthesis.
CC   -!- SIMILARITY: Belongs to the UDPGP type 2 family. {ECO:0000305}.
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DR   EMBL; CP000029; AAW52903.1; -; Genomic_DNA.
DR   RefSeq; WP_001831553.1; NC_002976.3.
DR   AlphaFoldDB; Q5HLD1; -.
DR   SMR; Q5HLD1; -.
DR   STRING; 176279.SERP2056; -.
DR   EnsemblBacteria; AAW52903; AAW52903; SERP2056.
DR   KEGG; ser:SERP2056; -.
DR   eggNOG; COG1210; Bacteria.
DR   HOGENOM; CLU_029499_1_2_9; -.
DR   OMA; MHYVRQG; -.
DR   OrthoDB; 1402673at2; -.
DR   UniPathway; UPA00894; -.
DR   Proteomes; UP000000531; Chromosome.
DR   GO; GO:0003983; F:UTP:glucose-1-phosphate uridylyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009246; P:enterobacterial common antigen biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0006011; P:UDP-glucose metabolic process; IEA:InterPro.
DR   CDD; cd02541; UGPase_prokaryotic; 1.
DR   Gene3D; 3.90.550.10; -; 1.
DR   InterPro; IPR005771; GalU_uridylyltTrfase_bac/arc.
DR   InterPro; IPR005835; NTP_transferase_dom.
DR   InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR   PANTHER; PTHR43197; PTHR43197; 1.
DR   Pfam; PF00483; NTP_transferase; 1.
DR   SUPFAM; SSF53448; SSF53448; 1.
DR   TIGRFAMs; TIGR01099; galU; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Nucleotidyltransferase; Reference proteome;
KW   Transferase.
FT   CHAIN           1..288
FT                   /note="UTP--glucose-1-phosphate uridylyltransferase"
FT                   /id="PRO_0000308310"
SQ   SEQUENCE   288 AA;  32424 MW;  ED5422E73E60672F CRC64;
     MKKIKKAIIP AAGLGTRFLP ATKAMPKEML PILDKPTIQY IVEEASKAGI EDIIIVTGKH
     KRAIEDHFDN QKELEMVLEN KGKADLLEKV QYSTDLANIF YVRQKEQKGL GHAIHTAKQF
     IGNEPFAVLL GDDIVESDTP AIKQLMDVYE ETGHSVIGVQ EVPESDTHRY GVIDPSAKEG
     SRYEVRQFVE KPKQGTAPSN LAIMGRYVLT PEIFDYLETQ QEGAGNEIQL TDAIERMNSK
     QQVYAYDFEG NRYDVGEKLG FVKTTIEYAL KDPEMSQDLK AFIKQLDI