Modified Peptide Standards

Protea offers a wide variety of modified peptide standards for your mass spectrometry needs. Each standard is certified mass spec grade and lyophilized for easy and convenient reconstitution.

• Phosphorylated Peptide Standards
• Nitrosylated and Nitrated Peptide Standards
• Glycopeptide Standards
• Sulfated Peptide Standards
• Acetylated Peptide Standards
• Oxidized Peptide Standards
• Methylated Peptide Standards
• MultiMod PTM Standard I