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. 2007 Oct;19(10):3212–3229. doi: 10.1105/tpc.107.054155

Table 1.

Relative Activities of Functionally Expressed Basil CCMTs and CCMT1-H160M with Different Substrates

Substitution Pattern
Relative Specific Activity
Substrate Structure R1 R2 R3 R4 CCMT1 CCMT2 CCMT3 CCMT1-H160M
CA-like
trans-Cinnamic acid (CA) H H H H 100 (1.7) 100 (7.1) 100 (15.1) 100 (7.5)
Hydrocinnamic acida H H H H 21.4 (1.0) 6.8 (3.4) 39.3 (5.5) 21.8 (1.9)
p-Coumaric acid (pCA) H H OH H 29.6 (3.9) 24.5 (5.7) 63.5 (8.0) 80.2 (1.6)
4-Hydroxyhydrocinnamic acida H H OH H 22.4 (4.8) 19.1 (6.5) 23.5 (2.0) 0.9 (0.7)
m-Coumaric acid H OH H H 6.8 (1.5) 0 0 0
o-Coumaric acid OH H H H 0 0 0 0
Caffeic acid H OH OH H 0 0 0 0
Hydrocaffeic acida H OH OH H 0 0 0 0
Ferulic acid H OMe OH H 0 0 0 0
Hydroferulic acida H OMe OH H 0 0 0 0
3,4-Dimethoxycinnamic acid H OMe OMe H 0 0 0 0
Sinapic acid H OMe OH OMe 0 0 0 0
BA-like
Benzoic acid (BA) H H H H 7.8 (0.8) 10.1 (4.8) 6.2 (1.3) 161.9 (2.2)
Salicylic acid (SA) OH H H H 0 0 0 61.1 (0.4)
Anthranilic acid NH2 H H H 0 0 0 20.5 (0.7)
Shikimic acid H OH OH OH 0 0 0 0
Other
Phenylacetic acid 0 0 0 0
Phenylpyruvic acid 0 0 0 0
Indole-3-acetic acid 0 0 0 0
Jasmonic acid 0 0 0 0
a

These substrates have a single carbon bond between C7 and C8 and not the double bond shown in the generalized structures in the table.