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I6154 Sigma

ProteoMass Insulin chain B oxidized MALDI-MS Standard

vial of 10 nmol

Synonym: Insulin Chain B Oxidized from bovine pancreas



Related Categories Mass Spectrometry, Molecular Biology, Peptide and Protein Standards for Mass Spectrometry Analysis, Proteomics
mol wt   monoisotopic mol wt 3,493.6513 Da
packaging   vial of 10 nmol


Amino Acid Sequence



Peptide calibration standard for MALDI-MS instruments.

Biochem/physiol Actions

Insulin regulates the cellular uptake, utilization, and storage of glucose, amino acids, and fatty acids. It inhibits the breakdown of glycogen, protein, and fat. The β chain is a substrate for carboxypeptidase Y.

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New Internal Standards for Mass Spectrometry
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Protocols & Articles


Ultra-pure MALDI Matrices

One of the most important aspects of the ultra-pure MALDI matrix substances from Sigma-Aldrich is their ability to dissolve rapidly and completely; a brief vortex mixing is typically sufficient. Actu...
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Analytix Volume 7 Article 5
Keywords: Crystallization, Digestions, High performance liquid chromatography, Mass spectrometry, Phase transitions, Proteomics, Sample preparations, Spectroscopy

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