Patched (Ptc) is a conserved 12-pass transmembrane protein receptor that plays an obligate negative regulatory role in the Hedgehog signaling pathway in insects and vertebrates. Patched is an essential gene in embryogenesis for proper segmentation in the fly embryo, mutations in which may be embryonic lethal. Patched functions as the receptor for the Hedgehog protein and controls its spatial distribution, in part via endocytosis of bound Hedgehog protein, which is then targeted for lysosomal degradation.
Phenyl
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A hydrocarbon radical (C6H5) regarded as the essential residueof benzene, and the basis of an immense number of aromaticderivatives. Phenyl hydrate (Chem.), phenol or carbolic acid.-- Phenyl hydrazine (Chem.), a nitrogenous base (C6H5.N2H3) producedartificially as a colorless oil which unites with acids, ketones,etc., to form well-crystallized compounds.
Phenyl meaning & definition 1 of Phenyl.
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