Specific for specific to egg white avidin. No cross-reaction with human and animal serum proteins and streptavidin. Binds with high efficiency to different epitopes of avidin molecule, no interfering with avidin biotin-binding activity. Can be used for ELISA, WB and immunohistochemistry. Recommended pairs (coating - conjugate): A4D12 - A7B5, A3G7 - A7B5