. 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 acid^a		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 acid^a		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 acid^a		H	OH	OH	H	0	0	0	0
Ferulic acid		H	OMe	OH	H	0	0	0	0
Hydroferulic acid^a		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

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