Avidin is a glycoprotein with approximately 10% of its total mass comes from carbohydrates. Avidin has a molecular weight of 67kDa and contains four identical 128 amino acid subunits that each have a single biotin binding domain. Avidin is a basic protein with an isoelectric pH of 10-10.5 and is…

ρ-Azidophenyl glyoxal monohydrate Features Molecular Weight: 193.16 Spacer Arm (Å): 9.3 Reactive Toward: Arginines Membrane Permeable: YES Water Soluble: NO Cleavable/ Reversible: NO

N -5-Azido-2-nitrobenzyloxysuccinimide Features Molecular Weight: 305.20 Spacer Arm (Å): 7.7 Reactive Toward: Primary Amines Membrane Permeable: YES Water Soluble: NO Cleavable/ Reversible: No