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SHH Q15465

音猬因子蛋白 (SHH) (EC 3.1.-.-) (HHG-1) (Shh未加工N端信号和C端自加工结构域) (ShhNC) [裂解为:音猬因子蛋白N产物 (ShhN) (Shh N端加工信号结构域) (ShhNp)]

蛋白质信息 (UniProt)

音猬因子蛋白 (SHH) (EC 3.1.-.-) (HHG-1) (Shh未加工N端信号和C端自加工结构域) (ShhNC) [裂解为:音猬因子蛋白N产物 (ShhN) (Shh N端加工信号结构域) (ShhNp)]

Q15465

功能描述

[Sonic hedgehog protein]: Sonic hedgehog protein前体的C端部分表现出自水解和胆固醇转移酶活性(By similarity)。这两种活性导致全长蛋白裂解为两部分(ShhN和ShhC),随后胆固醇部分共价连接到新生成的ShhN的C端(By similarity)。这两种活性均发生在内质网中(By similarity)。一旦裂解,ShhC在内质网中被降解(By similarity)。 {ECO:0000250|UniProtKB:Q62226}.; FUNCTION: [Sonic hedgehog protein N-product]: 双重脂质化的sonic hedgehog protein N-product (ShhNp)是一种形态发生素,对发育过程中的多种图式形成事件至关重要。诱导神经管和体节的腹侧细胞命运(PubMed:24863049)。参与发育中肢芽前后轴的图式形成(By similarity)。对轴突导向至关重要(By similarity)。与patched (PTCH1)受体结合,该受体与smoothened (SMO)协同作用,激活靶基因的转录(PubMed:10753901)。在缺乏SHH的情况下,PTCH1抑制SMO的组成型信号活性(PubMed:10753901)。 {ECO:0000250|UniProtKB:Q62226, ECO:0000269|PubMed:10753901, ECO:0000269|PubMed:24863049, ECO:0000303|PubMed:24522195}.

亚细胞定位

[Sonic hedgehog protein]: Endoplasmic reticulum membrane

关键词

3D-structure Autocatalytic cleavage Calcium Cell membrane Developmental protein Direct protein sequencing Disease variant Endoplasmic reticulum Glycoprotein Golgi apparatus