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- Table of Contents
Designing a Western blot for APH1A? The guide has the expected band size, antibodies backed by real blot images, the controls to run alongside, and protocols taken from published papers.
Open the APH1A Western Blot GuideFacts about Gamma-secretase subunit APH-1A.
The gamma-secretase complex plays a role in Notch and Wnt signaling cascades and regulation of downstream processes via its role in processing key regulatory proteins, and by regulating cytosolic CTNNB1 levels (Probable). .
| Human | |
|---|---|
| Gene Name: | APH1A |
| Uniprot: | Q96BI3 |
| Entrez: | 51107 |

| Belongs to: |
|---|
| APH-1 family |

6530402N02Rik; anterior pharynx defective 1 homolog A (C. elegans); APH-1; APH1A; APH-1A; aph-1alpha; CGI-78; gamma-secretase subunit APH-1A; Presenilin-stabilization factor; PSF
Mass (kDA):
28.996 kDA

| Human | |
|---|---|
| Location: | 1q21.2 |
| Sequence: | 1; NC_000001.11 (150265399..150282179, complement) |
Widely expressed. Expressed in leukocytes, lung, placenta, small intestine, liver, kidney, spleen thymus, skeletal muscle, heart and brain. Isoform 1 and isoform 2 are nearly expressed at the same level.
Endoplasmic reticulum membrane; Multi-pass membrane protein. Golgi apparatus, Golgi stack membrane; Multi-pass membrane protein. Predominantly located in the endoplasmic reticulum and in the cis-Golgi.






PMID: 12297508 by Lee S.-F., et al. Mammalian APH-1 interacts with presenilin and nicastrin and is required for intramembrane proteolysis of amyloid-beta precursor protein and Notch.
PMID: 12110170 by Francis R., et al. aph-1 and pen-2 are required for Notch pathway signaling, gamma- secretase cleavage of betaAPP, and presenilin protein accumulation.