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fast3

Gene
fast3
Protein
Forkhead activin signal transducer 3
Organism
Xenopus laevis
Length
344 amino acids
Function
Transcriptional activator. Upon TGF-beta induction, forms a transcriptionally active complex with smad2 and smad4 called activin-responsive factor 2 (ARF2), which binds a site on the mix-B/mix.2 promoter called the activin response element (ARE). Binds to activated smads and the ARE with much higher affinity than foxh1/fast-1. Acts with foxh1/fast-1 to control the convergent extension movements of gastrulation.
Mass
38.658 kDa
Sequence
MSFGLHPWDVAFRPSPPHNLEKKVVPPGADREKSLPSPKEDSDGAREPDSTVDLRKKNKKKKNYQRYAKPPYSYLAMISLVIQNSPEKRLKLSQILQDISSLFPFFKGNYQGWKDSIRHNLSSNDCFRKVLKDPLKPQAKGNYWTVDVTRIPPDALKLQNTAVTRQDLFPLDLAPYILHGQPYRSLERLSANHTRGRTTPRMEPEVQIPVSDPAVSFPMILWNLPTSYSKCVAPNVVAPPSIHPLLLYSNFPSISIYNYLPPPYGSPVYSDRRDLLASGLHPQIPLTPKPPELKNAPSDFPPNKTVFDIPVYTGHPGFLASQSLFSPHLPTATPPLVGYRPSGL