Geranylgeranyl Diphosphate Synthase from Scoparia dulcis and Croton sublyratus. Plastid Localization and Conversion to a Farnesyl Diphosphate Synthase by Mutagenesis

cDNAs encoding geranylgeranyl diphosphate synthase (GGPPS) of two diterpene-producing plants, Scoparia dulcis and Croton sublyratus, have been isolated using the homology-based polymerase chain reaction (PCR) method. Both clones contained highly conserved aspartate-rich motifs (DDXX(XX)D) and their...

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Veröffentlicht in:Chemical & pharmaceutical bulletin 2001, Vol.49(2), pp.197-202
Hauptverfasser: SITTHITHAWORN, Worapan, KOJIMA, Naoe, VIROONCHATAPAN, Ekapop, SUH, Dae-Yeon, IWANAMI, Naoko, HAYASHI, Toshimitsu, NOJI, Masaaki, SAITO, Kazuki, NIWA, Yasuo, SANKAWA, Ushio
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container_title Chemical & pharmaceutical bulletin
container_volume 49
creator SITTHITHAWORN, Worapan
KOJIMA, Naoe
VIROONCHATAPAN, Ekapop
SUH, Dae-Yeon
IWANAMI, Naoko
HAYASHI, Toshimitsu
NOJI, Masaaki
SAITO, Kazuki
NIWA, Yasuo
SANKAWA, Ushio
description cDNAs encoding geranylgeranyl diphosphate synthase (GGPPS) of two diterpene-producing plants, Scoparia dulcis and Croton sublyratus, have been isolated using the homology-based polymerase chain reaction (PCR) method. Both clones contained highly conserved aspartate-rich motifs (DDXX(XX)D) and their N-terminal residues exhibited the characteristics of chloroplast targeting sequence. When expressed in Escherichia coli, both the full-length and truncated proteins in which the putative targeting sequence was deleted catalyzed the condensation of farnesyl diphosphate and isopentenyl diphosphate to produce geranylgeranyl diphosphate (GGPP). The structural factors determining the product length in plant GGPPSs were investigated by constructing S. dulcis GGPPS mutants on the basis of sequence comparison with the first aspartate-rich motif (FARM) of plant farnesyl diphosphate synthase. The result indicated that in plant GGPPSs small amino acids, Met and Ser, at the fourth and fifth positions before FARM and Pro and Cys insertion in FARM play essential roles in determination of product length. Further, when a chimeric gene comprised of the putative transit peptide of the S. dulcis GGPPS gene and a green fluorescent protein was introduced into Arabidopsis leaves by particle gun bombardment, the chimeric protein was localized in chloroplasts, indicating that the cloned S. dulcis GGPPS is a chloroplast protein.
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Plastid Localization and Conversion to a Farnesyl Diphosphate Synthase by Mutagenesis</atitle><jtitle>Chemical &amp; pharmaceutical bulletin</jtitle><addtitle>Chem. Pharm. Bull.</addtitle><date>2001</date><risdate>2001</risdate><volume>49</volume><issue>2</issue><spage>197</spage><epage>202</epage><pages>197-202</pages><issn>0009-2363</issn><eissn>1347-5223</eissn><coden>CPBTAL</coden><abstract>cDNAs encoding geranylgeranyl diphosphate synthase (GGPPS) of two diterpene-producing plants, Scoparia dulcis and Croton sublyratus, have been isolated using the homology-based polymerase chain reaction (PCR) method. Both clones contained highly conserved aspartate-rich motifs (DDXX(XX)D) and their N-terminal residues exhibited the characteristics of chloroplast targeting sequence. When expressed in Escherichia coli, both the full-length and truncated proteins in which the putative targeting sequence was deleted catalyzed the condensation of farnesyl diphosphate and isopentenyl diphosphate to produce geranylgeranyl diphosphate (GGPP). The structural factors determining the product length in plant GGPPSs were investigated by constructing S. dulcis GGPPS mutants on the basis of sequence comparison with the first aspartate-rich motif (FARM) of plant farnesyl diphosphate synthase. The result indicated that in plant GGPPSs small amino acids, Met and Ser, at the fourth and fifth positions before FARM and Pro and Cys insertion in FARM play essential roles in determination of product length. Further, when a chimeric gene comprised of the putative transit peptide of the S. dulcis GGPPS gene and a green fluorescent protein was introduced into Arabidopsis leaves by particle gun bombardment, the chimeric protein was localized in chloroplasts, indicating that the cloned S. dulcis GGPPS is a chloroplast protein.</abstract><cop>Tokyo</cop><pub>The Pharmaceutical Society of Japan</pub><pmid>11217109</pmid><doi>10.1248/cpb.49.197</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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subjects Alkyl and Aryl Transferases - chemistry
Alkyl and Aryl Transferases - genetics
Alkyl and Aryl Transferases - isolation & purification
Alkyl and Aryl Transferases - metabolism
Amino Acid Sequence
Analytical, structural and metabolic biochemistry
Base Sequence
Biological and medical sciences
cDNA cloning
chloroplast localization
Cloning, Molecular
DNA Primers
DNA, Complementary
Enzymes and enzyme inhibitors
farnesyl diphosphate synthase
Farnesyltranstransferase
Fundamental and applied biological sciences. Psychology
geranylgeranyl diphosphate synthase
Geranyltranstransferase
Magnoliopsida - enzymology
Magnoliopsida - ultrastructure
Molecular Sequence Data
Mutagenesis
Plastids
Sequence Homology, Amino Acid
sitedirected mutagenesis
Subcellular Fractions - enzymology
Transferases
title Geranylgeranyl Diphosphate Synthase from Scoparia dulcis and Croton sublyratus. Plastid Localization and Conversion to a Farnesyl Diphosphate Synthase by Mutagenesis
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