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- Table of Contents
Designing an IHC experiment for Cysteine protease ATG4D? The guide has the expected staining pattern, antigen retrieval and fixation, antibodies backed by real IHC images, the tissue controls to run alongside, and protocols taken from published papers.
Open the ATG4D IHC GuideFacts about Cysteine protease ATG4D.
Exposure of the glycine in the C-terminus is vital for ATG8 proteins conjugation into phosphatidylethanolamine (PE) and insertion to membranes, which is essential for autophagy. Has also an activity of delipidating receptor to the PE-conjugated forms.
| Human | |
|---|---|
| Gene Name: | ATG4D |
| Uniprot: | Q86TL0 |
| Entrez: | 84971 |

| Belongs to: |
|---|
| peptidase C54 family |

APG4 autophagy 4 homolog D (S. cerevisiae); APG4 autophagy 4 homolog D; APG4D; APG4-D; ATG4 autophagy related 4 homolog D (S. cerevisiae); AUTL4; AUT-like 4 cysteine endopeptidase; AUT-like 4, cysteine endopeptidase (S. cerevisiae); AUT-like 4, cysteine endopeptidase; autophagin-4; Autophagy-related cysteine endopeptidase 4; Autophagy-related protein 4 homolog D; cysteine protease ATG4D; cysteine protease involved in autophagy; EC 3.4.22; EC 3.4.22.-
Mass (kDA):
52.922 kDA

| Human | |
|---|---|
| Location: | 19p13.2 |
| Sequence: | 19; NC_000019.10 (10543897..10553418) |
Mainly expressed in skeletal muscle and, to a lower extent, in testis.
[Cysteine protease ATG4D]: Cytoplasm.; [Cysteine protease ATG4D, mitochondrial]: Cytoplasm. Mitochondrion matrix. Imported into mitochondrial matrix after cleavage by CASP3 during oxidative stress and cell death.





PMID: 12446702 by Marino G., et al. Human autophagins, a family of cysteine proteinases potentially implicated in cell degradation by autophagy.
PMID: 19549685 by Betin V.M., et al. Caspase cleavage of Atg4D stimulates GABARAP-L1 processing and triggers mitochondrial targeting and apoptosis.