Transcriptional repressor which functions as a downstream effector of Notch signaling in cardiovascular development. Specifically required for the Notch-induced endocardial epithelial to mesenchymal transition, which is itself criticial for cardiac valve and septum development. May be required in conjunction with HEY1 to specify arterial cell fate or identity. Promotes maintenance of neuronal precursor cells and glial versus neuronal fate specification. Binds preferentially to the canonical E box sequence 5'-CACGTG-3'. Represses transcription by the cardiac transcriptional activators GATA4 and GATA6 and by the neuronal bHLH factors ASCL1/MASH1 and NEUROD4/MATH3.

Belongs to the HEY family.

339 amino acids

MKRPCEETTSESDLDETIDVGSENNYPGHATSSVMRSNSPTTTSQIMARKKRRGIIEKRRRDRINNSLSELRRLVPTAFEKQGSAKLEKAEILQMTVDHLKMLQATGGKGYFDAHALATDFMSIGFRECLTEVARYLSSVEGLDPSDPLRVRLVSHLSTCASQREAAVMTSSMAHHHHPLHPHHWAAAFHHLPTALLQPNGLHTSESTPCRLSTSSEVPSAHGSALLTATFAHADSALRMPSGGTVAPCVPPLSTSLLSLSATVHAAAAAATAAAHSFPLSFAGAFPMLPSNAAAAAAVAAATAISPPLSVSAASSPQQTSTGTNNKPYQPWGTEVGAF

35.9 kDa

(Note: Representative image - actual molecular weight may vary depending on tag type and expression method)

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