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I am using Ab422, the antibody that recognizes N-epsilon(gamma-glutamyl)Lys. To do appropriate control I need to get N-epsilon(gamma-glutamyl)Lys itself. Do you sell this peptide? Where to get it from?
Asked on Jun 26 2001
The MAb to isopeptide shows good reactivity on cross linked protein containing isopeptide N-epsilon(gamma-glutamyl)Lys but has weak reactivity on free isopeptide. Therefore commercialy available free isopeptide from Sigma Chemical is not a good positive control.
Neil HaywardAbcam Scientific Support
Answered on Jun 26 2001