Human Meprin alpha/MEP1A HEK293 Overexpression Lysate

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Human Meprin alpha/MEP1A HEK293 Overexpression Lysate: 产品信息

产品描述
This Human Meprin alpha/MEP1A overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of Meprin alpha/MEP1A protein (Cat: 10133-H08H) from the overexpression lysate was verified.
表达宿主
HEK293 Cells
种属
Human
蛋白构建信息
A DNA sequence encoding the human MEP1A (NP_005579.2) extracellular domain (Met 1-Gln 601) was expressed, fused with a polyhistidine tag at the C-terminus.
分子量
The secreted recombinant human MEP1A (pro form) consists of 591 amino acids with the predicted molecular mass of 67.7 kDa. As a result of glycosylation, rh MEP1A migrates as an approximately 80 kDa band in SDS-PAGE under reducing conditions.

Human Meprin alpha/MEP1A HEK293 Overexpression Lysate: 使用指南

制备方法
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
裂解缓冲液
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
使用建议
1.  Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube. 2.  Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
缓冲液
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
稳定性 & 储存条件
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
应用
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.

Human Meprin alpha/MEP1A HEK293 Overexpression Lysate: 别称

Human PPHA Overexpression Lysate

Meprin alpha/MEP1A 背景信息

Meprin A subunit alpha, also known as MEP1A, and Endopeptidase-2, is a single-pass type I membrane protein which belongs to thepeptidase M12A family. MEP1A contains oneEGF-like domain, oneMAM domain, and oneMATH domain. Meprins are unique plasma membrane and secreted metalloproteinases that are highly regulated at the transcriptional and post-translational levels. Meprin alpha and beta subunits are abundantly expressed in kidney and intestinal epithelial cells, are secreted into the urinary tract and intestinal lumen, and are found in leukocytes and cancer cells under certain conditions. Meprins are capable of proteolytically degrading extracellular matrix proteins, proteolytically processing bioactive proteins, and play a role in inflammatory processes. Meprin A and B are highly regulated, secreted and cell-surface homo- and hetero-oligomeric enzymes. Meprins are abundantly expressed in kidney and intestine. The multidomain alpha and beta subunits have high sequence identity. They have very different substrate specificities, oligomerization potentials and are differentially regulated. Meprin A appears to be an important therapeutic target and urinary excretion appears to be a potential biomarker of acute kidney injury ( AKI ).
全称
meprin A, alpha (PABA peptide hydrolase)
参考文献
  • Bertenshaw,GP. et al., 2002, Biol Chem. 383 (7-8):1175-83.
  • Bond, JS. et al., 2005, FEBS Lett. 579 (15): 3317-22.
  • Herzog, C. et al., 2007, Kidney Int. 71 (10): 1009-18.
  • Yura, RE. et al., 2009, Am J Physiol Renal Physiol. 296 (1): F135-44.
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