Recombinant Human Sialidase-2 (NEU2)

Code CSB-YP896716HU
MSDS
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Source Yeast
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Code CSB-EP896716HU
MSDS
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Source E.coli
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Code CSB-EP896716HU-B
MSDS
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP896716HU
MSDS
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Source Baculovirus
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Code CSB-MP896716HU
MSDS
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Source Mammalian cell
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Product Details

Purity
>85% (SDS-PAGE)
Target Names
NEU2
Uniprot No.
Alternative Names
Cytosolic sialidase; MGC129579; N acetyl alpha neuraminidase 2; N-acetyl-alpha-neuraminidase 2; Neu2; NEUR2_HUMAN; Neuraminidase 2; OTTHUMP00000164374; SIAL2; Sialidase 2; Sialidase-2
Species
Homo sapiens (Human)
Expression Region
1-380
Target Protein Sequence
MASLPVLQKE SVFQSGAHAY RIPALLYLPG QQSLLAFAEQ RASKKDEHAE LIVLRRGDYD APTHQVQWQA QEVVAQARLD GHRSMNPCPL YDAQTGTLFL FFIAIPGQVT EQQQLQTRAN VTRLCQVTST DHGRTWSSPR DLTDAAIGPA YREWSTFAVG PGHCLQLHDR ARSLVVPAYA YRKLHPIQRP IPSAFCFLSH DHGRTWARGH FVAQDTLECQ VAEVETGEQR VVTLNARSHL RARVQAQSTN DGLDFQESQL VKKLVEPPPQ GCQGSVISFP SPRSGPGSPA QWLLYTHPTH SWQRADLGAY LNPRPPAPEA WSEPVLLAKG SCAYSDLQSM GTGPDGSPLF GCLYEANDYE EIVFLMFTLK QAFPAEYLPQ
Protein Length
full length protein
Tag Info
Tag type will be determined during the manufacturing process.
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form
Lyophilized powder
Note: We will preferentially ship the format that we have in stock, however, if you have any special requirement for the format, please remark your requirement when placing the order, we will prepare according to your demand.
Buffer before Lyophilization
Tris/PBS-based buffer, 6% Trehalose, pH 8.0
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Troubleshooting and FAQs
Storage Condition
Store at -20°C/-80°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Lead Time
Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet
Please contact us to get it.

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Target Background

Function
Exo-alpha-sialidase that catalyzes the hydrolytic cleavage of the terminal sialic acid (N-acetylneuraminic acid, Neu5Ac) of a glycan moiety in the catabolism of glycolipids, glycoproteins and oligosacharides. Recognizes sialyl linkage positions of the glycan moiety as well as the supramolecular organization of the sialoglycoconjugate. Displays preference for alpha-(2->3)-sialylated GD1a and GT1B gangliosides over alpha-(2->8)-sialylated GD1b, in both monomeric forms and micelles. Hydrolyzes monomeric GM1 ganglioside, but has no activity toward the miscellar form. Has lower sialidase activity for glycoproteins such as fetuin and TF/transferrin that carry a mixture of alpha-(2->3) and alpha-(2->6)-sialyl linkages. Cleaves milk oligosaccharide alpha-(2->3)-sialyllactose, but is inactive toward alpha-(2->6)-sialyllactose isomer. Has no activity toward colominic acid, a homomer of alpha-(2->8)-linked Neu5Ac residues.
Gene References into Functions
  1. Synchrotron radiation reflectometry was used to access the transverse structure of model membranes under the action of the human sialidase NEU2, down to the Angstrom length scale PMID: 28087363
  2. cytosolic GBA3 is likely involved in the catabolism of cytosolic sialyl free N-glycans, possibly by stabilizing the activity of the NEU2 protein PMID: 26193330
  3. Circular dichroism (CD) spectra at variable temperatures have been recorded for human cytosolic sialidase NEU2 in buffered water solutions and in the presence of divalent cations. PMID: 25033330
  4. Q136K is a novel mutation in an expressed NEU2 protein that was discovered during crystallographic analysis. PMID: 23908028
  5. the present study demonstrated NEU2 expression to be detectable but very low in many human tissues and cells, and suggested possible functional roles in PC-3 prostate cancer cells. PMID: 23068092
  6. NEU2 appears to be activated when lysine 45 and glutamine 112 are mutated to alanine. PMID: 22228546
  7. HsNEU2 differentially recognizes the type of sialosyl linkage, the aglycone part of the substrate, and the supramolecular organization (monomer/micelle/vesicle) of gangliosides PMID: 14613940
  8. the first high resolution x-ray structures of sialidase, human Neu2 PMID: 15501818
  9. propose that this Asian-enriched sialidase variation caused by the SNP, likely in homozygous form, may be associated with certain severe adverse reactions to oseltamivir PMID: 17426694
  10. Neu2 loss of expression might exacerbate the defective myogenic differentiation of rhabdomyosarcoma cells. PMID: 19524683

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Subcellular Location
Cytoplasm, cytosol.
Protein Families
Glycosyl hydrolase 33 family
Tissue Specificity
Expressed in skeletal muscle, fetal liver and embryonic carcinoma cell line NT2-D1.
Database Links

HGNC: 7759

OMIM: 605528

KEGG: hsa:4759

STRING: 9606.ENSP00000233840

UniGene: Hs.532681

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