SHH Antibody - #BF0146
*The optimal dilutions should be determined by the end user.
WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.
引用格式: Affinity Biosciences Cat# BF0146, RRID:AB_2834021.
HHG 1; HHG-1; HHG1; HLP 3; HLP3; Holoprosencephaly 3; HPE 3; HPE3; MCOPCB5; shh; SHH_HUMAN; SMMC I; SMMCI; Sonic Hedgehog (Drosophila) homolog; sonic hedgehog homolog (Drosophila); Sonic hedgehog homolog; Sonic hedgehog protein; Sonic hedgehog protein C-product; TPT; TPTPS;
Purified recombinant fragment of human SHH expressed in E. Coli.
翻译修饰 - Q15465 作为底物
The C-terminal part of the sonic hedgehog protein precursor displays an autoproteolysis and a cholesterol transferase activity (By similarity). Both activities result in the cleavage of the full-length protein into two parts (ShhN and ShhC) followed by the covalent attachment of a cholesterol moiety to the C-terminal of the newly generated ShhN (By similarity). Both activities occur in the reticulum endoplasmic (By similarity). Once cleaved, ShhC is degraded in the endoplasmic reticulum (By similarity).
The dually lipidated sonic hedgehog protein N-product (ShhNp) is a morphogen which is essential for a variety of patterning events during development. Induces ventral cell fate in the neural tube and somites. Involved in the patterning of the anterior-posterior axis of the developing limb bud (By similarity). Essential for axon guidance (By similarity). Binds to the patched (PTCH1) receptor, which functions in association with smoothened (SMO), to activate the transcription of target genes. In the absence of SHH, PTCH1 represses the constitutive signaling activity of SMO.
The C-terminal domain displays an autoproteolysis activity and a cholesterol transferase activity (By similarity). Both activities result in the cleavage of the full-length protein and covalent attachment of a cholesterol moiety to the C-terminal of the newly generated N-terminal fragment (ShhN) (By similarity). Cholesterylation is required for the sonic hedgehog protein N-product targeting to lipid rafts and multimerization. ShhN is the active species in both local and long-range signaling, whereas the C-product (ShhC) is degraded in the reticulum endoplasmic (By similarity).
N-palmitoylation by HHAT of ShhN is required for sonic hedgehog protein N-product multimerization and full activity (By similarity). It is a prerequisite for the membrane-proximal positioning and the subsequent shedding of this N-terminal peptide.
The lipidated N- and C-terminal peptides of ShhNp can be cleaved (shedding). The N-terminal palmitoylated peptide is cleaved at the Cardin-Weintraub (CW) motif site. The cleavage reduced the interactions with heparan sulfate. The cleavage is enhanced by SCUBE2.
Note: The dual-lipidated sonic hedgehog protein N-product (ShhNp) is firmly tethered to the cell membrane where it forms multimers (PubMed:24522195). Further solubilization and release from the cell surface seem to be achieved through different mechanisms, including the interaction with DISP1 and SCUBE2, movement by lipoprotein particles, transport by cellular extensions called cytonemes or by the proteolytic removal of both terminal lipidated peptides (PubMed:26875496, PubMed:24522195).
Interacts with HHATL/GUP1 which negatively regulates HHAT-mediated palmitoylation of the SHH N-terminus (By similarity). ShhNp is active as a multimer. Interacts with BOC and CDON (By similarity). Interacts with HHIP. Interacts with DISP1 via its cholesterol anchor. Interacts with SCUBE2. Interacts with glypican GPC3 (By similarity).
Binds calcium and zinc ions; this stabilizes the protein fold and is essential for protein-protein interactions mediated by this domain.
The Cardin-Weintraub (CW) motif is required for heparan sulfate binding of the solubilized ShhNp (PubMed:23118222). The N-terminal palmitoylated peptide is cleaved at the heparan sulfate-binding Cardin-Weintraub (CW) motif site (PubMed:24522195). The cleavage reduced the interactions with heparan sulfate. The cleavage is enhanced by SCUBE2 (PubMed:24522195).
Belongs to the hedgehog family.
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