| Reactivity | HuSpecies Glossary |
| Applications | Enzyme Activity |
| Format | Carrier-Free |
| Details of Functionality | Measured by its ability to cleave Acetylthiocholine. The specific activity is >500 nmol/min/μg, as measured under the described conditions. |
| Source | Chinese Hamster Ovary cell line, CHO-derived human Acetylcholinesterase/ACHE protein Glu32-Leu614, with a C-terminal 6-His tag |
| Accession # | |
| N-terminal Sequence | Glu32 |
| Protein/Peptide Type | Recombinant Enzymes |
| Gene | ACHE |
| Purity | >90%, by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie® Blue stain at 5 μg per lane |
| Endotoxin Note | <0.10 EU per 1 μg of the protein by the LAL method. |
| Dilutions |
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| Theoretical MW | 65 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
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| SDS-PAGE | 60-75 kDa, reducing conditions |
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| Publications |
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| Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
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| Buffer | Supplied as a 0.2 μm filtered solution in Tris and NaCl. |
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| Purity | >90%, by SDS-PAGE under reducing conditions and visualized by Colloidal Coomassie® Blue stain at 5 μg per lane |
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| Assay Procedure |
*Adjusted for Substrate Blank **Using the extinction coefficient 13260 M-1cm-1 ***Using the path correction 0.32 cm Note: the output of many spectrophotometers is in mOD Per Well:
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The classical role of ACHE is to terminate cholinergic neurotransmission by hydrolysis of acetylcholine (ACH) (1). ACHE is thought to be involved in the pathology of Alzheimer's disease (AD) by accelerating the assembly of A beta peptides into fibrillar species through forming complexes with A beta via the peripheral anionic site on ACHE. ACHE inhibitors have been used to delay symptoms of AD patients by virtue of their ability to enhance ACH availability, as well as reduce amyloidogenesis and subsequent neurotoxicity (2). Its involvement in the cholinergic anti-inflammatory pathway connects ACHE with a possible marker of low-grade systemic inflammation in obesity, hypertension, coronary heart disease, and AD (3). Alternative splicing produces three isoforms: an amphipathic form that exists as both monomeric and multimeric forms, a soluble monomeric form lacking the cysteine residue near the C-terminus, and a GPI-anchored dimeric form found in the membranes of erythrocytes (1). The recombinant human ACHE (rhACHE) was expressed as the amphipathic form that consists of soluble monomer and multimeric forms.
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HIV-associated neurocognitive disorders involve extracellular Nef-induced modification of lipid rafts and redistribution of Alzheimer’s disease-related proteins Jamshed Arslan, Pharm D, PhD Cholesterol is an essential part of animal cell membranes. Cholesterol-rich lipid rafts maintain the fluidity and protein trafficking of plasma membranes. Cellular ABCA1 protein moves cho... Read full blog post. |
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