Supplier Page from Aladdin Scientific Corporation for Tris magnesium buffer
Biotin-PEG5-azide from Aladdin Scientific Corporation
Glycyl-L-valine from Aladdin Scientific Corporation
N-(Azido-PEG2)-N-Boc-PEG4-t-butyl ester from Aladdin Scientific Corporation
Tetraheptylammonium bromide from Aladdin Scientific Corporation