Acid sphingomyelinase/SMPD1 Protein, Mouse, Recombinant (His)

カタログ番号 TMPY-02585

別名: aSMase, ASM, Zn-SMase, A-SMase, sphingomyelin phosphodiesterase 1

Sphingomyelin phosphodiesterase 1 (SMPD1) , also known as ASM ( acid sphingomyelinase ), is a member of the acid sphingomyelinase family of enzymes. Three isoforms have been identified, isoform 1 is 631 amino acids (aa) in length as the pro form, while Isoform 2 and isoform 3 have lost catalytic activity. The active SMPD1 isoform 1 contains one saposin B-type domain that likely interacts with sphingomyelin, and a catalytic region. Human SMPD1 is 86% aa identical to mouse SMPD1. SMPD1 is a monomeric lysosomal enzyme that converts sphingomyelin (a plasma membrane lipid ) into ceramide through the removal of phosphorylcholine. This generates second messenger components that participate in signal transduction. Defects in SMPD1 are the cause of Niemann-Pick disease type A (NPA) and type B (NPB), also known as Niemann-Pick disease classical infantile form and Niemann-Pick disease visceral form. Niemann-Pick disease is a clinically and genetically heterogeneous recessive disorder. NPB has little if any neurologic involvement and patients may survive into adulthood.

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Acid sphingomyelinase/SMPD1 Protein, Mouse, Recombinant (His)

パッケージサイズ	在庫状況	単価(税別)
50 μg	在庫あり	￥ 88,500
100 μg	約5 days	￥ 151,500
200 μg	約5 days	￥ 257,000
500 μg	約5 days	￥ 521,000

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生物学的特性に関する説明

Technical Params

Product Properties

参考文献

生物学的情報

Measured by its ability to cleave 2-N-Hexadecanoylamino-4-nitrophenylphosphorylcholine(HNPPC). The specific activity is > 1,000 pmoles/min/μg.

説明

Species	Mouse
Expression Host	Baculovirus Insect Cells
Tag	His
Accession Number	Q04519
別名	aSMase, ASM, Zn-SMase, A-SMase, sphingomyelin phosphodiesterase 1
Construction	The Mouse SMPD1 (Q04519) (Met 1-Leu 626) was expressed，with a C-terminal polyhistidine tag.
Protein Purity	> 85 % as determined by SDS-PAGE
分子量	66.3 kDa (predicted)

Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Supplied as sterile 20 mM Tris, 500 mM NaCl, 10% glycerol, pH 8.0, 0.1% Tween20.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
Stability & Storage	It is recommended to store the product under sterile conditions at -20℃ to -80℃. Samples are stable for up to 12 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice. Solutions are shipping with dry ice.
Research Background	Sphingomyelin phosphodiesterase 1 (SMPD1) , also known as ASM ( acid sphingomyelinase ), is a member of the acid sphingomyelinase family of enzymes. Three isoforms have been identified, isoform 1 is 631 amino acids (aa) in length as the pro form, while Isoform 2 and isoform 3 have lost catalytic activity. The active SMPD1 isoform 1 contains one saposin B-type domain that likely interacts with sphingomyelin, and a catalytic region. Human SMPD1 is 86% aa identical to mouse SMPD1. SMPD1 is a monomeric lysosomal enzyme that converts sphingomyelin (a plasma membrane lipid ) into ceramide through the removal of phosphorylcholine. This generates second messenger components that participate in signal transduction. Defects in SMPD1 are the cause of Niemann-Pick disease type A (NPA) and type B (NPB), also known as Niemann-Pick disease classical infantile form and Niemann-Pick disease visceral form. Niemann-Pick disease is a clinically and genetically heterogeneous recessive disorder. NPB has little if any neurologic involvement and patients may survive into adulthood.

参考文献

1. Schuchman E.H.,et al.,(1991), Human acid sphingomyelinase. Isolation, nucleotide sequence and expression of the full-length and alternatively spliced cDNAs. J. Biol. Chem. 266:8531-8539. 2. Newrzella D.,et al., (1992), Molecular cloning of the acid sphingomyelinase of the mouse and the organization and complete nucleotide sequence of the gene.Biol. Chem. Hoppe-Seyler 373:1233-1238. 3. Schuchman E.H.,et al.,(1992), Structural organization and complete nucleotide sequence of the gene encoding human acid sphingomyelinase (SMPD1).Genomics 12:197-205.

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Keywords

Acid sphingomyelinase/SMPD1 Protein, Mouse, Recombinant (His) aSMase ASM Zn-SMase A-SMase sphingomyelin phosphodiesterase 1 recombinant recombinant-proteins proteins protein