Table 2. Comparison of nucleotide and (in parentheses) amino acid sequence identities (%) among the four At4CL isoforms and their closest AtCLL relative in the A. thaliana genome.

	At4CL1	At4CL2	At4CL3	At4CL4
At4CL1	—	74 (83)	54 (61)	63 (66)
At4CL2	—	—	54 (62)	62 (65)
At4CL3	—	—	—	52 (58)
At1g20510	40 (41)	37 (38)	34 (40)	39 (38)

cDNA coding regions were used for nucleotide sequence comparison.