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SDS-Page

Acid Sphingomyelinase Active Protein | SMPD1 active protein

Human CellExp Acid Sphingomyelinase, Human Recombinant

Gene Names
SMPD1; ASM; NPD; ASMASE
Purity
>95% by SDS-PAGE
Synonyms
Acid Sphingomyelinase; Human CellExp Acid Sphingomyelinase; Human Recombinant; Sphingomyelin phosphodiesterase; aSMase; acid sphingomyelinase; SMPD1; ASM; EC:3.1.4.12; SMPD1 active protein
Ordering
For Research Use Only!
Host
HEK293 cells
Purity/Purification
>95% by SDS-PAGE
Form/Format
Lyophilized powder. Lyophilized from 0.22 um filtered 50mM Tris-HCl and 150mM NaCl, pH8.0 with 5% trehalose
Sequence
His62-Pro628
Gene Source
Human
Biological Activity
The Specific activity >2 U/mg. Measured by its ability to cleave 2-N-Hexadecanoylamino-4-nitrophenylphosphorylcholine (HNPPC, freshly dissolved in DMSO)which can be detected at 420 nm.
One unit of aSMase/ASM is defined as the amount of enzyme that hydrolyzes 1.0 umol of substrate HNPPC per min under the assay conditions at 37 degree C.
Reconstitution Instruction
Reconstitute in distilled water. Do not vortex.
Preparation and Storage
Store at -20 degree C
Centrifuge the vial prior to opening.
Shelf life: ~12 months

SDS-Page

SDS-Page

Testing Data

Testing Data
Related Product Information for SMPD1 active protein
Sphingomyelin phosphodiesterase, which is encoded by the SMPD1 gene, is also known as acid sphingomyelinase or aSMase. There are two types of sphingomyelinases: ASM (acid), and NSM (neutral). ASM/aSMase can catalyze the hydrolysis of sphingomyelin to ceramide and phosphorylcholine with cofactor Zn2+. Ceramide, a bioactive lipid, has emerged as an important signaling molecule involved in a variety of cellular processes such as cell differentiation, apoptosis, and proliferation. Mutations in the SMPD1 gene cause Niemann-Pick disease types A and B due to deficiency in hydrolyzing sphingomyelin to ceramide. Activation of ASM can be achieved by the removal of its C terminal cysteine residue or C-terminal truncation. recombinant human ASM was expressed from HEK293 cells without the last three C terminal residues, and is therefore constitutively active.
Product Categories/Family for SMPD1 active protein

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
UniProt Accession #
Molecular Weight
69,752 Da
NCBI Official Full Name
acid sphingomyelinase
NCBI Official Synonym Full Names
sphingomyelin phosphodiesterase 1, acid lysosomal
NCBI Official Symbol
SMPD1
NCBI Official Synonym Symbols
ASM; NPD; ASMASE
NCBI Protein Information
sphingomyelin phosphodiesterase; acid sphingomyelinase
UniProt Protein Name
Sphingomyelin phosphodiesterase
UniProt Gene Name
SMPD1
UniProt Synonym Gene Names
ASM; aSMase
UniProt Entry Name
ASM_HUMAN

NCBI Description

The protein encoded by this gene is a lysosomal acid sphingomyelinase that converts sphingomyelin to ceramide. The encoded protein also has phospholipase C activity. Defects in this gene are a cause of Niemann-Pick disease type A (NPA) and Niemann-Pick disease type B (NPB). Multiple transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2010]

Uniprot Description

SMPD1: Converts sphingomyelin to ceramide. Also has phospholipase C activities toward 1,2-diacylglycerolphosphocholine and 1,2-diacylglycerolphosphoglycerol. Isoform 2 and isoform 3 have lost catalytic activity. Monomer. Belongs to the acid sphingomyelinase family. 3 isoforms of the human protein are produced by alternative splicing.

Protein type: Lipid Metabolism - sphingolipid; EC 3.1.4.12; Phosphodiesterase

Chromosomal Location of Human Ortholog: 11p15.4-p15.1

Cellular Component: extracellular space; lysosomal lumen; lysosome; plasma membrane; endosome; lamellar body

Molecular Function: protein binding; sphingomyelin phosphodiesterase activity; hydrolase activity, acting on glycosyl bonds

Biological Process: response to drug; negative regulation of MAP kinase activity; nervous system development; sphingomyelin metabolic process; sphingolipid metabolic process; positive regulation of apoptosis; ceramide biosynthetic process; glycosphingolipid metabolic process; sphingomyelin catabolic process; response to cocaine; signal transduction; positive regulation of protein amino acid dephosphorylation

Disease: Niemann-pick Disease, Type B; Niemann-pick Disease, Type A

Research Articles on SMPD1

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Product Notes

The SMPD1 smpd1 (Catalog #AAA8400066) is an Active Protein produced from HEK293 cells and is intended for research purposes only. The product is available for immediate purchase. The amino acid sequence is listed below: His62-Pro6 28. It is sometimes possible for the material contained within the vial of "Acid Sphingomyelinase, Active Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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