Aristolochene biosynthesis and enzymatic cyclization of farnesyl pyrophosphate
作者:David E. Cane、P. C. Prabhakaran、E. J. Salaski、Paul H. M. Harrison、Hiroshi Noguchi、Bernard J. Rawlings
DOI:10.1021/ja00206a022
日期:1989.11
Proposition d'un schema reactionnel concernant la biosynthese d'un sesquiterpene, en l'occurrence l'aristolochene, chez Aspergillus terrus. Utilisation de la spectrometrie RMN
命题 d'un schema 反应与 la biosynthese d'un sesquiterpene, en l'occurrence l'aristolochene, chez Aspergillus terrus 有关。光谱测量 RMN 的利用
Genome Mining in <i>Streptomyces </i><i>c</i><i>oelicolor</i>: Molecular Cloning and Characterization of a New Sesquiterpene Synthase
作者:Xin Lin、Russell Hopson、David E. Cane
DOI:10.1021/ja061292s
日期:2006.5.1
The terpene synthase encoded by the SCO5222 (SC7E4.19) gene of Streptomyces coelicolor was cloned by PCR and expressed in Escherichia coli as an N-terminal-His6-tag protein. Incubation of the recombinant protein, SCO5222p, with farnesyl diphosphate (1, FPP) in the presence of Mg(II) gave a new sesquiterpene, (+)-epi-isozizaene (2), whose structure and stereochemistry were determined by a combination of 1H, 13C, COSY, HMQC, HMBC, and NOESY NMR. The steady-state kinetic parameters were kcat 0.049 +/- 0.001 s-1 and a Km (FPP) of 147 +/- 14 nM. Individual incubations of recombinant epi-isozizaene synthase with [1,1-2H2]FPP (1a), (1R)-[1-2H]-FPP (1b), and (1S)-[1-2H]-FPP (1c) and NMR analysis of the resulting deuterated epi-isozizaenes supported an isomerization-cyclization-rearrangement mechanism involving the intermediacy of (3R)-nerolidyl diphosphate (3).
CANE, DAVID E.;PRABHAKARAN, P. C.;SALASKI, EDWARD J.;HARRISON, PAUL H. M.+, J. AMER. CHEM. SOC., 111,(1989) N4, C. 8914-8916
作者:CANE, DAVID E.、PRABHAKARAN, P. C.、SALASKI, EDWARD J.、HARRISON, PAUL H. M.+
DOI:——
日期:——
BELINGHERI, L.;PAULY, G.;GLEIZES, M., ANALUSIS, 19,(1991) N, C. 111-113
作者:BELINGHERI, L.、PAULY, G.、GLEIZES, M.
DOI:——
日期:——
Cyclonerodiol biosynthesis and the enzymic conversion of farnesyl to nerolidyl pyrophosphate