Creative Biolabs

Recombinant Human BACE1 Protien

[CAT#: NPP2007FY114]

Involved in the proteolytic processing of APP and the pathogenesis of Alzheimer's disease


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β-secretase 1 (BACE1), also known as β-site APP lyase 1 (β-site amyloid precursor protein lyase 1), memapsin-2 (membrane-associated aspartic protease 2) and aspartic acid Aspartyl protease 2 (ASP2), β-secretase, is a member of the peptidase A1 protein family. BACE1 is a type I integral membrane glycoprotein and aspartic protease mainly found in the Golgi apparatus. BACE1 is an aspartic protease, which plays an important role in the pathogenesis of Alzheimer's disease and the formation of myelin sheath in peripheral nerve cells. [1] The transmembrane protein contains two active site aspartic acid residues in its extracellular protein domain and may act as a dimer. This protease is responsible for the proteolytic process of amyloid precursor protein (APP). The production of 40 or 42 amino acid long amyloid beta peptides that accumulate in the brains of Alzheimer's patients requires two consecutive cleavage of APP. BACE performs extracellular cleavage of APP, producing soluble extracellular fragments and cell membrane-bound fragments, called C99. In the early pathological stage before neuron death occurs, amyloid plaques around neurons can induce an increase in BACE1 levels and may lead to a positive feedback loop in AD.
Biological Activity
Measured by its ability to cleave a fluorescent peptide substrate Mca-Ser-Glu-Val-Asn-Leu-Asp-Ala-Glu-Phe-Arg-Lys(Dnp)-Arg-Arg-NH2. Cleavage of the substrate can be measured using excitation and emission wavelengths of 320 and 405 nm, respectively.
Expression Host
HEK293 cells
Molecule Mass
This protein contains no "tags" and has a calculated MW of 49 kDa. The predicted N-terminus is Thr22. DTT-reduced protein migrates as 50-65 kDa polypeptide in SDS-PAGE due to glycosylation
Relevant Diseases
Alzheimer's Disease
Lyophilized powder
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization.
Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 µg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.
Carrier Protein
BSA free
Endotoxin Level
<1 EU/μg by LAL method
Gel Pack
Handling Advice
Centrifuge the vial prior to opening.
Research Use Only
For research use only, not for diagnostic or therapeutic use.
Official Name
Full Name
Beta-Secretase 1
Alternative Names
Beta-Secretase 1; Membrane-Associated Aspartic Protease 2; Beta-Site APP Cleaving Enzyme 1; Beta-Site APP-Cleaving Enzyme; Aspartyl Protease 2; EC; Memapsin-2; Asp 2; BACE; ASP2;
Gene ID
23621 (Human); 23821 (Mouse); 29392 (Rat)
Uniprot ID
P56817 (Human); P56818 (Mouse); P56819 (Rat)
Figure 1 Human recombinant BACE1.
Neural Vectors
Neural Antibodies
Neural Proteins & Peptides
Animal Models
For Research Use Only. Not For Clinical Use.
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