ID   TARI_STRA3              Reviewed;         239 AA.
AC   Q8E4B4;
DT   31-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=Ribitol-5-phosphate cytidylyltransferase {ECO:0000255|HAMAP-Rule:MF_02068};
DE            EC=2.7.7.40 {ECO:0000255|HAMAP-Rule:MF_02068};
GN   Name=tarI {ECO:0000255|HAMAP-Rule:MF_02068}; OrderedLocusNames=gbs1487;
OS   Streptococcus agalactiae serotype III (strain NEM316).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=211110;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NEM316;
RX   PubMed=12354221; DOI=10.1046/j.1365-2958.2002.03126.x;
RA   Glaser P., Rusniok C., Buchrieser C., Chevalier F., Frangeul L., Msadek T.,
RA   Zouine M., Couve E., Lalioui L., Poyart C., Trieu-Cuot P., Kunst F.;
RT   "Genome sequence of Streptococcus agalactiae, a pathogen causing invasive
RT   neonatal disease.";
RL   Mol. Microbiol. 45:1499-1513(2002).
CC   -!- FUNCTION: Catalyzes the transfer of the cytidylyl group of CTP to D-
CC       ribitol 5-phosphate. {ECO:0000255|HAMAP-Rule:MF_02068}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=CTP + D-ribitol 5-phosphate + H(+) = CDP-L-ribitol +
CC         diphosphate; Xref=Rhea:RHEA:12456, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:37563, ChEBI:CHEBI:57608,
CC         ChEBI:CHEBI:57695; EC=2.7.7.40; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_02068};
CC   -!- PATHWAY: Cell wall biogenesis; poly(ribitol phosphate) teichoic acid
CC       biosynthesis. {ECO:0000255|HAMAP-Rule:MF_02068}.
CC   -!- SIMILARITY: Belongs to the IspD/TarI cytidylyltransferase family. TarI
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_02068}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; AL766851; CAD47146.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8E4B4; -.
DR   SMR; Q8E4B4; -.
DR   STRING; 211110.gbs1487; -.
DR   EnsemblBacteria; CAD47146; CAD47146; CAD47146.
DR   KEGG; san:gbs1487; -.
DR   eggNOG; COG1211; Bacteria.
DR   HOGENOM; CLU_061281_2_3_9; -.
DR   OMA; VCKSGWE; -.
DR   UniPathway; UPA00790; -.
DR   Proteomes; UP000000823; Chromosome.
DR   GO; GO:0047349; F:D-ribitol-5-phosphate cytidylyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0008299; P:isoprenoid biosynthetic process; IEA:InterPro.
DR   GO; GO:1902012; P:poly(ribitol phosphate) teichoic acid biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02516; CDP-ME_synthetase; 1.
DR   Gene3D; 3.90.550.10; -; 1.
DR   HAMAP; MF_02068; TarI; 1.
DR   InterPro; IPR034683; IspD/TarI.
DR   InterPro; IPR018294; ISPD_synthase_CS.
DR   InterPro; IPR029044; Nucleotide-diphossugar_trans.
DR   InterPro; IPR034709; TarI.
DR   Pfam; PF01128; IspD; 1.
DR   SUPFAM; SSF53448; SSF53448; 1.
DR   PROSITE; PS01295; ISPD; 1.
PE   3: Inferred from homology;
KW   Cell wall biogenesis/degradation; Nucleotidyltransferase;
KW   Teichoic acid biosynthesis; Transferase.
FT   CHAIN           1..239
FT                   /note="Ribitol-5-phosphate cytidylyltransferase"
FT                   /id="PRO_0000075627"
FT   BINDING         7..10
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02068"
FT   BINDING         80..86
FT                   /ligand="CTP"
FT                   /ligand_id="ChEBI:CHEBI:37563"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02068"
FT   SITE            14
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02068"
FT   SITE            22
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02068"
FT   SITE            157
FT                   /note="Positions ribitol 5-phosphate for the nucleophilic
FT                   attack"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02068"
FT   SITE            214
FT                   /note="Positions ribitol 5-phosphate for the nucleophilic
FT                   attack"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_02068"
SQ   SEQUENCE   239 AA;  26356 MW;  602E692AD861B9E9 CRC64;
     MNIGVIFAGG VGRRMNTKGK PKQFLEVHGK PIIVHTIDIF QNTEAIDAVV VVCVSDWLDY
     MNNLVERFNL TKVKAVVAGG ETGQMSIFKG LEAAEQLATD DAVVLIHDGV RPLINEEVIN
     ANIKSVKETG SAVTSVRAKE TVVLVNDSSK ISEVVDRTRS FIAKAPQSFY LSDILSVERD
     AISKGITDAI DSSTLMGMYN RELTIVEGPY ENIKITTPDD FYMFKALYDA RENEQIYGM