ID   PREA_PORPU              Reviewed;         323 AA.
AC   P51268;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-1996, sequence version 1.
DT   03-AUG-2022, entry version 75.
DE   RecName: Full=Prenyl transferase;
DE            EC=2.5.1.-;
GN   Name=preA;
OS   Porphyra purpurea (Red seaweed) (Ulva purpurea).
OG   Plastid; Chloroplast.
OC   Eukaryota; Rhodophyta; Bangiophyceae; Bangiales; Bangiaceae; Porphyra.
OX   NCBI_TaxID=2787;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Avonport;
RA   Reith M.E., Munholland J.;
RT   "Complete nucleotide sequence of the Porphyra purpurea chloroplast
RT   genome.";
RL   Plant Mol. Biol. Rep. 13:333-335(1995).
CC   -!- FUNCTION: Possible role in synthesis of the nonaprenyl side chain of
CC       plastoquinone or in synthesis of other prenyl chains such as
CC       undekaprenyl pyrophosphate. {ECO:0000250}.
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC       Note=Binds 2 Mg(2+) ions per subunit. {ECO:0000250};
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the FPP/GGPP synthase family. {ECO:0000305}.
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DR   EMBL; U38804; AAC08154.1; -; Genomic_DNA.
DR   PIR; S73189; S73189.
DR   RefSeq; NP_053878.1; NC_000925.1.
DR   AlphaFoldDB; P51268; -.
DR   SMR; P51268; -.
DR   GeneID; 809897; -.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0016740; F:transferase activity; IEA:UniProtKB-KW.
DR   GO; GO:0008299; P:isoprenoid biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   CDD; cd00685; Trans_IPPS_HT; 1.
DR   Gene3D; 1.10.600.10; -; 1.
DR   InterPro; IPR008949; Isoprenoid_synthase_dom_sf.
DR   InterPro; IPR000092; Polyprenyl_synt.
DR   InterPro; IPR033749; Polyprenyl_synt_CS.
DR   Pfam; PF00348; polyprenyl_synt; 1.
DR   SUPFAM; SSF48576; SSF48576; 1.
DR   PROSITE; PS00723; POLYPRENYL_SYNTHASE_1; 1.
DR   PROSITE; PS00444; POLYPRENYL_SYNTHASE_2; 1.
PE   3: Inferred from homology;
KW   Chloroplast; Isoprene biosynthesis; Magnesium; Metal-binding;
KW   Photosynthesis; Plastid; Transferase.
FT   CHAIN           1..323
FT                   /note="Prenyl transferase"
FT                   /id="PRO_0000124000"
FT   BINDING         46
FT                   /ligand="isopentenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:128769"
FT                   /evidence="ECO:0000250|UniProtKB:P14324"
FT   BINDING         49
FT                   /ligand="isopentenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:128769"
FT                   /evidence="ECO:0000250|UniProtKB:P14324"
FT   BINDING         81
FT                   /ligand="isopentenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:128769"
FT                   /evidence="ECO:0000250|UniProtKB:Q12051"
FT   BINDING         88
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P14324"
FT   BINDING         88
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P14324"
FT   BINDING         92
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250|UniProtKB:P14324"
FT   BINDING         92
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250|UniProtKB:P14324"
FT   BINDING         97
FT                   /ligand="an all-trans-polyprenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58914"
FT                   /evidence="ECO:0000250"
FT   BINDING         98
FT                   /ligand="isopentenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:128769"
FT                   /evidence="ECO:0000250|UniProtKB:P14324"
FT   BINDING         174
FT                   /ligand="an all-trans-polyprenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58914"
FT                   /evidence="ECO:0000250"
FT   BINDING         175
FT                   /ligand="an all-trans-polyprenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58914"
FT                   /evidence="ECO:0000250"
FT   BINDING         212
FT                   /ligand="an all-trans-polyprenyl diphosphate"
FT                   /ligand_id="ChEBI:CHEBI:58914"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   323 AA;  35589 MW;  9FB02F4E2A2019B2 CRC64;
     MATSSSLFHP IEKELYSVEH NLKSVAGTRH PILYAAAKHL FEAGGKRLRP AIVLLVAKST
     SEQQEIKPGQ RRLAEITEII HTASLVHDDV IDECSTRRGE KTVHKLFNTK IAVLAGDFLF
     AQSSWYLANI GNLEVVKVIT KVITDFAEGE IRQGLVHFDP SISIDDYIEK SFYKTASLVA
     ASCRGAAMLN DLNSQMHNDL YLYGKHMGLA FQIMDDVLDI AGSTKSLGKP SGADFMNGNL
     TAPILFALTQ EGKLDQLIQR EFSDERDISL ALFLIKKSGG ITKAKDLAKE QVQAALCCLQ
     FLPKSAPVSS LKELTHFIIT RLS