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kn | Transcription factor collier; May act as a 'second-level regulator' of head patterning. Required for establishment of the PS(-1)/PS0 parasegmental border and formation of the intercalary segment. Required for expression of the segment polarity genes hedgehog, engrailed and wingless, and the segment-identity genes CAP and collar in the intercalary segment. Required at the onset of the gastrulation for the correct formation of the mandibular segment. (689 aa) | ||||
Hr78 | Hormone-receptor-like in 78 (Hr78) encodes a protein induced above a basal level by 20-hydroxyecdysone. Hr78 mutants die during mid-larval stages with defects in molting of the tracheal cuticle; Belongs to the nuclear hormone receptor family. NR2 subfamily. (601 aa) |