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Coding
BSMT1

Part:BBa_J45004

Designed by Boyuan Zhu   Group: iGEM2006_MIT   (2006-06-07)

From partsregistry.org

SAM:benzoic acid/salicylic acid carboxyl methyltransferase I; converts salicylic acid to methyl sali

BBa_J45004 encodes SAM benzoic acid/salicylic acid carboxyl methyltransferase I derived from BSMT1 from Petunia x hybrida. BSMT1 catalyzes the conversion of benzoic acid to methyl benzoate and salicylic acid to methyl salicylate. Methyl benzoate has a floral smell and methyl salicylate has a wintergreen smell.

Usage and Biology

Substrate pH optimum Apparent Km for Substrate (μM) kcat × 10-2 (s-1)) kcat/Km (mM-1⋅s-1))
SAMSA 1.93 ± 0.18 1.45 ± 0.024 7.65 ± 0.618
SAMBA 15.78 ± 1.34 0.75 ± 0.023 0.48 ± 0.047
Salicylic acid 7.0 to 8.0 51.55 ± 2.73 1.2 ± 0.16 0.23 ± 0.038
Benzoic acid 7.5 1273.2 ± 37 0.39 ± 0.04 0.003 ± 0.0003
  1. Negre F, Kish CM, Boatright J, Underwood B, Shibuya K, Wagner C, Clark DG, and Dudareva N. Regulation of methylbenzoate emission after pollination in snapdragon and petunia flowers. Plant Cell 2003 Dec; 15(12) 2992-3006. doi:10.1105/tpc.016766 pmid:14630969. PubMed HubMed [Negre-2003]
All Medline abstracts: PubMed HubMed

Sequence and Features

Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 21
    INCOMPATIBLE WITH RFC[21]
    Illegal BamHI site found at 663
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]


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Categories
//function/biosynthesis/odorant
//function/odor
//igem2006/mit/favorites
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Parameters
ec_numnone
keggnone
proteinBSMT1
swissproQ84UB5