Bringing the Heavy Chain to Light: Creating a Symmetric, Bivalent IgG-Like Bispecific.

EVQLLESGGGLVQPGGSLRLSCAASGFRISDEDMGWVRQAPGKGLEWVSSIYGPSGSTYYADSVKGRFTISRDNSKNTLY
LQMNSLRAEDTAVYYCASALEPLSEPLGFWGQGTLVTVSSGQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTV
AWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS

QVQLVESGGGLIKPGGSLRLSCAASGFTVSYESMGWVRQAPGKGLEWVSAISSSGGSTYYADSVKGRFTISRDNSKNTVY
LQMNSLRAEDTAVYYCVTPERQCKQSTCYARPRYWGQGTMVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPE
PVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTHHHHHH

1M lithium chloride, 0.1M citric acid pH 4.0