rAsp-N, Mass Spec Grade

VA1160_rAsp-N-Mass-Spec-Grade
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Hydrolyzes Peptide Bonds N-Terminal to Aspartic Acid Residues

  • Less expensive alternative to native Asp-N
  • Larger volume (5X more protease) for more consistent resuspension
  • Use in complex proteomic analyses and peptide mapping of purified proteins

Presentación

Catalog number selected: VA1160

$ 638.00
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rAsp-N, Mass Spec Grade
10μg
$ 638.00
Your price: Acceder

Asp-N, Now Available in Recombinant Form

rAsp-N, Mass Spec Grade, is a recombinant protease that was cloned from Stenotrophomonas maltophilia and purified from E. coli. rAsp-N is a highly active protease suitable for proteomic analysis of complex mixtures as well as peptide mapping of purified proteins, such as therapeutic monoclonal antibodies. The protease is provided in 10µg aliquots in a conical vial for easy and consistent resuspension.

Efficient Protein Digestion in 1 Hour

Images shows rAsp-N digests N-terminal to aspartic acid residues.
Recombinant Asp-N provides efficient digestion of a yeast extract in 1 hour. Digestion efficiency was approximately 85% after 1 hour and increased only slightly (to approximately 91%) after overnight digestion.

Digestion N-Terminal to Aspartic Acid Residues

Image shows digestion efficiency of rAsp-N.
rAsp-N, Mass Spec Grade, digests yeast extract proteins primarily N-terminal to aspartic acid residues. Weak digestion at glutamic acid is observed in some cases.

Peptide Mapping with rAsp-N or Trypsin/Lys-C

Peptide mapping with rAsp-N and Trypsin/Lys-C.
Base peak chromatograms showing digestion of NISTmAb for 18 hours with rAsp-N (Panel A; 50:1 w:w) or with Trypsin/Lys-C (Panel B; 25:1 w:w). Digests were analyzed with a Q Exactive™ Plus mass spectrometer (Thermo Fisher Scientific). Sequence coverage from each digest is shown in the table (Panel C).

Protocolos

Complete Protocol

Especificaciones

Contenido

Item Part # Presentación

rAsp-N, Mass Spec Grade

 VA116A 1 × 10μg

SDS

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Certificado de Análisis

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Use Restrictions

For Research Use Only. Not for Use in Diagnostic Procedures.

Condiciones de Almacenaje

BB

Recursos

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Otros

Productos Similares

Asp-N, Sequencing Grade

Sitio de escisión: N-terminal de Asp. pH óptimo: 4-9.

V1621

rLys-C, Mass Spec Grade

Sitio de escisión: C-terminal de Lys. pH óptimo: 8-9.

V1671

Usado con frecuencia junto con

IdeS and IdeZ Proteases

Enzimas de degradación de IgG que se escinden en un único punto por debajo de la región bisagra.

V7511, V7515, V8341, V8345

Encontremos el producto que se adapte a sus necesidades.

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