FEATURES

FAMILY

DESCRIPTION

Also known as GIGAN_ARATH, GI. Involved in regulation of circadian rhythm and photoperiodic flowering. May play a role in maintenance of circadian amplitude and period length. Is involved in phytochrome B signaling. Stabilizes ADO3 and the circadian photoreceptor ADO1/ZTL. Regulates 'CONSTANS' (CO) in the long-day flowering pathway by modulating the ADO3-dependent protein stability of CDF1 and CDF2, but is not essential to activate CO transcription. Regulates, via the microRNA miR172, a CO-independent pathway that promotes photoperiodic flowering by inducing 'FLOWERING LOCUS T'. Interacts with SPY (PubMed:15155885). Interacts with ADO1 (via N-terminus) and ADO2 (PubMed:17704763). Interacts with ADO3 (via N-terminus) (PubMed:17704763, PubMed:17872410). Interacts (via N-terminus) with CDF1 (PubMed:17872410). Interacts (via N-terminus) with TCP4 (PubMed:28628608).

EXTERNAL LINKS

GI

Protein GIGANTEA

GI

Molecular Synopsis