Table 4.

APETALA2 family TFs and their recognition sequences.

S. N.	Sub family	TFs	Core sequence/TFBS	Primary metabolism genes	Specialized metabolism genes	References
1	DREB (ERF subfamily)	DREB1/CBF, DREB2A, DREB1D, ORCA1	A/GCCGAC	COR15a, COR78, esk1, LEA, CAB, AS, DXS	STR, TDC, D4H, CPR	Xin and Browse, 2000; Agarwal et al., 2006; Sakuma et al., 2006; Lata and Prasad, 2011; Licausi et al., 2013; Yamada and Sato, 2013
2	ERF	ERF-I-V, ORCA2, ERF221, EIN3, CRF, RAP2.6, RAP2.12, RAP2.2	AGCCGCC	AOX, PDC, ADH1	DcPAL3, PMT, QPT, ODC, QS, MPO	Kimura et al., 2008; Yamada and Sato, 2013
3	RAV	RAV1, RAV3, TEM1	CAACA	Em genes (Em1 and Em6), LEA, AS	GST, LOX, SamDC	Woo et al., 2010; Licausi et al., 2013; Feng et al., 2014; Moran Lauter et al., 2014

esk1, eskimo1 gene; CAB, Chlorophyll a/b-binding protein; AS, Anthranilate synthase; DXS, D-1-deoxyxylulose 5-phosphate synthase; STR, Strictosidine synthase; TDC, tryptophan decarboxylase; D4H, desacetoxyvindoline 4-hydroxylase; CPR, cytochrome P450 reductase; PMT, putrescine N-methyltransferase; QPT, quinolinate phosphoribosyltransferase; AOX, aspartate oxidase; ODC, ornithine decarboxylase; QS, quinolinic acid synthase; MPO, N-methylputrescine oxidase; PDC, Pyruvate decarboxylase.