ID   ISPT_STRT1              Reviewed;         249 AA.
AC   Q5M1N6;
DT   30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 1.
DT   03-AUG-2022, entry version 94.
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=str0197;
OS   Streptococcus thermophilus (strain CNRZ 1066).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=299768;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CNRZ 1066;
RX   PubMed=15543133; DOI=10.1038/nbt1034;
RA   Bolotin A., Quinquis B., Renault P., Sorokin A., Ehrlich S.D.,
RA   Kulakauskas S., Lapidus A., Goltsman E., Mazur M., Pusch G.D., Fonstein M.,
RA   Overbeek R., Kyprides N., Purnelle B., Prozzi D., Ngui K., Masuy D.,
RA   Hancy F., Burteau S., Boutry M., Delcour J., Goffeau A., Hols P.;
RT   "Complete sequence and comparative genome analysis of the dairy bacterium
RT   Streptococcus thermophilus.";
RL   Nat. Biotechnol. 22:1554-1558(2004).
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; CP000024; AAV61811.1; -; Genomic_DNA.
DR   RefSeq; WP_002949314.1; NC_006449.1.
DR   AlphaFoldDB; Q5M1N6; -.
DR   SMR; Q5M1N6; -.
DR   GeneID; 66898133; -.
DR   KEGG; stc:str0197; -.
DR   HOGENOM; CLU_038505_1_1_9; -.
DR   OMA; PRTEGHK; -.
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..249
FT                   /note="Isoprenyl transferase"
FT                   /id="PRO_0000123696"
FT   ACT_SITE        25
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   ACT_SITE        73
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         25
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         26..29
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         30
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         38
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         42
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         70..72
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         74
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         76
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         197
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         203..205
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
FT   BINDING         216
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01139"
SQ   SEQUENCE   249 AA;  28691 MW;  67A86D6C343893A6 CRC64;
     MFKFRKKSHQ EVLDNIPNHI GIIMDGNGRW AKKRLQPRVM GHKAGMDALQ KVTIEASQLG
     VKVLTVYAFS TENWSRPQDE VKFIMNLPVE FFNKYVPELD KNNVRILTIG DNSRLPKETL
     DALEKAVEQT KHNSGLILNF ALNYGGRAEI VSAVQAIAKE VEIGRLRPEA IDEDLIAKHL
     MTDKLPYLYR DPDLIIRTSG ELRLSNFLPW QSAYSEFYFT DVFWPDFDQQ GLHQAISDYN
     KRHRRFGGV