Home / PNGase F / Recombinant F. meningosepticum PNGase F Protein, CF

Recombinant F. meningosepticum PNGase F Protein, CF

Catalog #: 9109-GH
3 Citations Datasheet / COA / SDS
Effective removal of N-linked oligosaccharides from glycoproteins. Glycerol-free, suitable for downstream MS and HPLC
Catalog # Availability Size / Price Qty
9109-GH-020
9109-GH-100
9109-GH-01M

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Recombinant F. meningosepticum PNGase F Protein Enzyme Activity Diagram.
4 Images
Product Details
Citations (3)
FAQs
Reviews
Summary Product Datasheets Carrier Free Data Images Reconstitution Calculator Background Related Research Areas

Recombinant F. meningosepticum PNGase F Protein, CF Summary

Why choose R&D Systems PNGase F Enzyme?

  • Guaranteed Enzymatic Activity and High Purity: Enzymatic activity tested in a deglycosylation assay and purity determined by SDS-PAGE to be greater than 95%.
  • Removes N-linked Sugars from Glycoproteins: See the PNGase F protocol and activity data below. Compare and save!
  • Lot-to-Lot Consistency: Stringent QC testing performed on each lot to ensure consistent activity and purity.
  • Bulk Quantities Available: Bulk up and save with large mass quantities to meet your research needs. Supply agreements available, partner with us. Please contact us.
  • Most Respected, Most Cited Brand in Proteins: With over 35 years of providing the best recombinant proteins to the scientific community, R&D Systems continues to lead the industry in quality, activity, and purity.

Product Specifications

Purity
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Level
<1.0 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to deglycosylate ribonuclease B under denatured conditions. >50% ribonuclease B (10 μg) is deglycosylated by 2.5 ng rFmPNGase F within 30 minutes, as measured under the described conditions.
Source
E. coli-derived f. meningosepticum PNGase F protein
Ala41-Asn354 with N-terminal Met and 6-His tag
Accession #
P21163
N-terminal Sequence
Analysis
Met
Predicted Molecular Mass
36 kDa
SDS-PAGE
34 kDa, under reducing conditions.

Product Datasheets

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9109-GH

Product Datasheet
COA
SDS

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

9109-GH

Formulation Supplied as a 0.2 μm filtered solution in Tris and NaCl.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Assay Procedure

Materials
  • Assay Buffer: 0.1 M Tris, pH 7.5
  • Denaturing Buffer (10X): 5% SDS, 0.8 M beta -Mercaptoethanol
  • Recombinant F. meningosepticum PNGase F (rFmPNGase) (Catalog # 9109-GH)
  • Ribonuclease B, from bovine pancreas (RNase B) (Sigma, Catalog # R7884), 2.5 mg/mL stock in 25 mM Tris, pH 7.5
  • 10% Triton® X-100 (Amresco, Catalog # M236)
  • Reducing SDS-PAGE Sample Buffer
  • SDS-PAGE or Western Blot
  1. Dilute Denaturing Buffer to 5X in deionized water.
  2. Create a Substrate Mixture containing 0.8 mg/mL RNase B and 1X Denaturing Buffer in deionized water.
  3. Heat Substrate Mixture at 100 °C for 10 minutes. Cool to room temperature and microcentrifuge briefly.
  4. Add 10% Triton® X-100 to a final concentration of 1.67%.
  5. Dilute rFmPNGase F to 0.167 ng/µL in Assay Buffer.
  6. Combine 15 µL of Substrate Mixture and 15 µL 0.167 ng/µL rFmPNGase F. Include a control containing 15 µL of Substrate Mixture and 15 µL of Assay Buffer.
  7. Incubate reaction mixture at 37 °C for 30 minutes.
  8. Combine equal volumes of incubated reaction mixture and reducing SDS-PAGE sample buffer and boil samples at 100 °C for
    3-5 minutes.
  9. Load 15 µL (2.5 µg RNase B) per lane on a 4-20% SDS-PAGE gel.
  10. Stain gel and analyze for percent deglycosylation using densitometry.
Per Reaction:
  • rFmPNGase F: 2.5 ng
  • RNase B: 10 µg

Scientific Data

Enzyme Activity View Larger

Recombinant F. meningosepticum PNGase F Protein, CF (Catalog # 9109-GH) is an amidase that cleaves the amide bond between the GlcNAc residue of an N-glycan and the underlying asparagine residue. Only the pentasaccharide core of an N-glycan is pictured here for clarity. The pentasaccharide can be extended at R1, R2 and R3 positions. R1 can be an alpha -6 fucose but not an alpha -3 fucose. R2 and R3 can be any of common monosaccharides or oligosaccharides.

Bioactivity Recombinant F. meningosepticum PNGase F Protein Bioactivity View Larger

Total activity per vial of Recombinant F. meningosepticum PNGase F (Catalog # 9109-GH) compared to the leading competitor. R&D Systems®PNGase F gives you 2x more enzyme at a comparable price.

Enzyme Activity Recombinant F. meningosepticum PNGase F Protein Enzyme Activity View Larger

RecombinantF. meningosepticumPNGase F (Catalog # 9109-GH) from R&D Systems and a leading competitor are able to deglycosylate 10 μg of RNase B at 37 °C in one hour. TheE. coli-produced enzyme from R&D Systems offers a better value than the competition.

SDS-PAGE View Larger

2 μg/lane of Recombinant F. meningosepticum PNGase F Protein (Catalog # 9109-GH) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 34 kDa.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: PNGase F

PNGase F, peptide N-glycosidase F from Flavobacterium meningosepticum, catalyzes the hydrolysis of asparagine-linked high mannose, as well as hybrid and complex oligosaccharides from glycoproteins (1). Unlike glycosidases that hydrolyze glycosidic bonds, PNGase F is an amidase that cleaves the
beta-aspartylglucosamine bond between the innermost GlcNAc of N-glycans and asparagine residues of glycoproteins (2). The enzyme is highly active on various
N-glycans except those with the innermost GlcNAc modified with alpha 1-3-linked core fucose, which is commonly found on plant glycoproteins (3). Cleavage with PNGase F will convert the asparagine residue to an aspartic residue, allowing identification of the glycosylation site by mass spectrometry (4). This purified enzyme is compatible with glycan analysis using mass spectrometry.

References
  1. Elder, J.H. and Alexander, S. (1982) Proc. Natl. Acad. Sci. USA 79:4540.
  2. Maley, F. et al. (1989) Anal. Biochem. 180:195.
  3. Tarentino, A.L. and Plummer, T.H. (1994) Methods Enzymol 230:44.
  4. Zhang, H. et al. (2003) Nat. Biotechnol. 21:660.
Long Name
Peptide-N4-(N-acetyl-beta-D-glucosaminyl)asparagine Amidase F
Alternate Names
PNGase F; PNGF

Citations for Recombinant F. meningosepticum PNGase F Protein, CF

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

3 Citations: Showing 1 - 3
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  1. New monoclonal antibodies that recognize an unglycosylated, conserved, extracellular region of CD44 in vitro and in vivo, and can block tumorigenesis
    Authors: DF Lusche, DJ Wessels, RJ Reis, CC Forrest, AR Thumann, DR Soll
    PLoS ONE, 2021-04-23;16(4):e0250175.
    Species: Human
    Sample Types: Whole Cells
    Applications: Bioassay
  2. Alternative splicing and cleavage of GLUT8
    Authors: CM Alexander, JA Martin, E Oxman, I Kasza, KA Senn, H Dvinge
    Mol Cell Biol, 2020-12-21;0(0):.
    Species: Human
    Sample Types: Cell Lysates
    Applications: Bioassay
  3. Continuous Translation of Circularized mRNA Improves Recombinant Protein Titer
    Authors: A Costello, NT Lao, N Barron, M Clynes
    Metab. Eng., 2019-01-04;0(0):.
    Species: Transgenic Hamster
    Sample Types: Cell Lysates
    Applications: Enzyme Assay

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