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KP1018 Insulin B (9-23) 1 mg $110

Product Information

Product NameInsulin B (9-23)
Purity% Peak Area By HPLC ≥ 95%
Molecular Weight 1645.9
Storage-20°C
Sequence
(One-Letter Code)
SHLVEALYLVCGERG
Sequence
(Three-Letter Code)
H-Ser-His-Leu-Val-Glu-Ala-Leu-Tyr-Leu-Val-Cys-Gly-Glu-Arg-Gly-OH
DescriptionThis insulin B-chain peptide binds to a class II histocompatibility complex (MHC) allele called I-Ag7. A number of autoimmune diseases has been linked to class II proteins encoded by the MHC. Type 1 diabetes, or insulin-dependent diabetes mellitus, is a T cell-mediated disease that results in autoimmune destruction of pancreatic β cells leading to hyperglycemia. This insulin B peptide may be a self-antigen candidate that could initiate the disease. Immunization with this peptide in mice led to autoantibodies and insulitis.
ReferencesDevendra, D. et al. Diabetes 54, 2549 (2005). Starwalt, S. et al. Protein Eng. 16, 147 (2003); Lee, L. et al. PNAS 102, 15995 (2005).
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