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- Table of Contents
Designing an IHC experiment for Meprin A subunit beta? 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 MEP1B IHC GuideFacts about Meprin A subunit beta.
Known substrates include: FGF19, VGFA, IL1B, IL18, procollagen I and III, E-cadherin, KLK7, gastrin, ADAM10, tenascin-C. The presence of numerous pro-inflammatory cytokine one of substrates implicate MEP1B in inflammation.
| Human | |
|---|---|
| Gene Name: | MEP1B |
| Uniprot: | Q16820 |
| Entrez: | 4225 |

| Belongs to: |
|---|
| No superfamily |

EC 3.4.24.63; endopeptidase-2; MEP1B; meprin A subunit beta; meprin A, beta; Meprin B; Meprin beta Subunit; N-benzoyl-L-tyrosyl-p-amino-benzoic acid hydrolase beta subunit; N-benzoyl-L-tyrosyl-P-amino-benzoic acid hydrolase subunit beta; PABA peptide hydrolase; PPH beta
Mass (kDA):
79.571 kDA

| Human | |
|---|---|
| Location: | 18q12.1 |
| Sequence: | 18; NC_000018.10 (32190039..32222607) |
The major site of expression is the brush border membrane of small intestinal and kidney epithelial cells.
Cell membrane; Single-pass type I membrane protein. Secreted. Homodimers are essentially membrane bound but may also be shed from the surface by ADAM-10 and ADAM-17.





PMID: 9288916 by Eldering J.A., et al. Polarised expression of human intestinal N-benzoyl-L-tyrosyl-p- aminobenzoic acid hydrolase (human meprin) alpha and beta subunits in Madin-Darby canine kidney cells.
PMID: 8262185 by Dumermuth E., et al. Cloning of the PABA peptide hydrolase alpha subunit (PPH alpha) from human small intestine and its expression in COS-1 cells.