ID   ISPT_STRA3              Reviewed;         250 AA.
AC   Q8E359;
DT   16-FEB-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 99.
DE   RecName: Full=Isoprenyl transferase {ECO:0000255|HAMAP-Rule:MF_01139};
DE            EC=2.5.1.- {ECO:0000255|HAMAP-Rule:MF_01139};
GN   Name=uppS {ECO:0000255|HAMAP-Rule:MF_01139}; OrderedLocusNames=gbs1903;
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 condensation of isopentenyl diphosphate (IPP)
CC       with allylic pyrophosphates generating different type of terpenoids.
CC       {ECO:0000255|HAMAP-Rule:MF_01139}.
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01139};
CC       Note=Binds 2 magnesium ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_01139};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01139}.
CC   -!- SIMILARITY: Belongs to the UPP synthase family. {ECO:0000255|HAMAP-
CC       Rule:MF_01139}.
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DR   EMBL; AL766854; CAD47562.1; -; Genomic_DNA.
DR   RefSeq; WP_000469562.1; NC_004368.1.
DR   AlphaFoldDB; Q8E359; -.
DR   SMR; Q8E359; -.
DR   STRING; 211110.gbs1903; -.
DR   EnsemblBacteria; CAD47562; CAD47562; CAD47562.
DR   KEGG; san:gbs1903; -.
DR   eggNOG; COG0020; Bacteria.
DR   HOGENOM; CLU_038505_1_1_9; -.
DR   OMA; PRTEGHK; -.
DR   Proteomes; UP000000823; Chromosome.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004659; F:prenyltransferase activity; IEA:UniProtKB-UniRule.
DR   CDD; cd00475; Cis_IPPS; 1.
DR   Gene3D; 3.40.1180.10; -; 1.
DR   HAMAP; MF_01139; ISPT; 1.
DR   InterPro; IPR001441; UPP_synth-like.
DR   InterPro; IPR018520; UPP_synth-like_CS.
DR   InterPro; IPR036424; UPP_synth-like_sf.
DR   PANTHER; PTHR10291; PTHR10291; 1.
DR   Pfam; PF01255; Prenyltransf; 1.
DR   SUPFAM; SSF64005; SSF64005; 1.
DR   TIGRFAMs; TIGR00055; uppS; 1.
DR   PROSITE; PS01066; UPP_SYNTHASE; 1.
PE   3: Inferred from homology;
KW   Magnesium; Metal-binding; Transferase.
FT   CHAIN           1..250
FT                   /note="Isoprenyl transferase"
FT                   /id="PRO_0000123681"
FT   ACT_SITE        26
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   ACT_SITE        74
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         26
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         27..30
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         31
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         39
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         43
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         71..73
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         75
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         77
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         198
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         204..206
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         217
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
SQ   SEQUENCE   250 AA;  28755 MW;  390253C5EA7710EF CRC64;
     MFIFKRKKQV EMPLEKIPAH IGIIMDGNGR WAKKRLKPRV MGHKAGMDAL QEVTIAASGL
     GVKVLTVYAF STENWSRPDD EVKFIMNLPV EFFDKYVPEL DKNNVRVQVI GDTHKLPKAT
     YDAMQRACLR TKHNSGLVLN FALNYGGRSE ITNAIKEIAQ DVLEAKLNPD DITEDLVANH
     LMTNSLPYLY RDPDLIIRTS GELRLSNFLP WQSAYSEFYF TPVLWPDFKK DELHKAIVDY
     NQRHRRFGSV