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- 规格参数
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General description
Tau-441 is a member of the Tau family of proteins. Tau proteins are mainly expressed in the neurons of the central nervous system where they exert a role in stabilizing microtubules, key components of axonal transport, as well as in signal transduction.Tau proteins are subject to phosphorylation and this phenomenon regulates the association of the Tau protein with the microtubules. Deposits of Alzheimer′s disease AD-associated proteins, such as hyperphosphorylated Tau, as well as other shared misfolded proteins, such as, β-amyloid precursor protein (βAPP), ubiquitin, and various chaperones and protein kinases are thought to play a pathologic role in the cognitive decline and muscular failure.3 Malfunctioning of Tau proteins is associated with microtubules disintegration and collapsing of the neuronal transport system Among other diseases, Tau forms in cerebrospinal fluid are considered a reliable biomarker for progressive supranuclear palsy, where the levels of Tau forms ratio were significantly reduced.
Immunogen
MAEPRQEFEVMEDHAGTYGLGDRKDQGGYTMHQDQEGDTDAGLKESPLQTPTEDGSEEPGSETSDAKSTPTAEDVTAPLVDEGAPGKQAAAQPHTEIPEGTTAEEAGIGDTPSLEDEAAGHVTQARMVSKSKDGTGSDDKKAKGADGKTKIATPRGAAPPGQKGQANATRIPAKTPPAPKTPPSSGEPPKSGDRSGYSSPGSPGTPGSRSRTPSLPTPPTREPKKVAVVRTPPKSPSSAKSRLQTAPVPMPDLKNVKSKIGSTENLKHQPGGGKVQIINKKLDLSNVQSKCGSKDNIKHVPGGGSVQIVYKPVDLSKVTSKCGSLGNIHHKPGGGQVEVKSEKLDFKDRVQSKIGSLDNITHVPGGGNKKIETHKLTFRENAKAKTDHGAEIVYKSPVVSGDTSPRHLSNVSSTGSIDMVDSPQLATLADEVSASLAKQGLDRIRGRKLGPFEGKPIPNPLLGLDSTRTGHHHHHHHHGGQ
Biochem/physiol Actions
SILu™Lite MAPT is a recombinant human protein expressed in human 293 cells. It consists of 481 amino acids (including C-terminal V5 and polyhistidine tags), with a calculated molecular mass of 50 kDa. SILu Lite MAPT is an analytical standard designed to be used as starting material for preparation of calibrators and controls in LC-MS applications.
Physical form
Supplied as a lyophilized powder containing phosphate buffered saline.
Legal Information
SILu is a trademark of Sigma-Aldrich Co. LLC
| biological source | human |
| Quality Level | 200 |
| recombinant | expressed in HEK 293 cells |
| tag | 8-His tagged,V5 tagged |
| assay | ≥98% (SDS-PAGE) |
| form | lyophilized powder |
| potency | ≥98% Heavy amino acids incorporation efficiency by MS |
| mol wt | calculated mol wt 50 kDa |
| technique(s) | mass spectrometry (MS): suitable |
| suitability | suitable for mass spectrometry (internal calibrator) |
| UniProt accession no. | P02649 |
| storage temp. | −20°C |
| Gene Information | human ... MAPT(4137) |
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¥ 58855.47
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¥ 41825.84
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¥ 108621.02
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