Table II.

Properties of AtDPBFs

Properties	AtDPBF1 ABI5	AtDPBF2	AtDPBF3 AREB3	AtDPBF4	AtDPBF5a ABF3
Size	442  aa	331  aa	297  aa	262  aa	449  aa
ABA inducible	Yes	No	Possibleb	No	Yesc
Binding to PPR	Yes	No	Yes	Yes	N/Dd
Binding to DPR	Yes	No	Yes	No	N/D
Heterodimer	AtDPBF-3 and -4	AtDPBF-3 and -4	AtDPBF-1, -2, and -4	AtDPBF-1, -2, and -3	N/D
Transactivity in yeast	No	Yes	No	Yes	N/D

^aAtDPBF-5 was cloned recently and all properties have not been investigated yet. 

^bBased on conditions for cDNA library construction (Uno et al., 2000). 

^cChoi et al. (2000). 

^dN/D, Not determined.