>6a4k_K mol:protein length:238 immunoglobulin Fab heavy chain
QVQLQESGPGLVKPSETLSLTCTVSGGSVNTGSYYWSWIRQPPGKGLEWIAYSSVSGTSNYNPSLKSRVTLTVDTSKNQFSLSVRSVTAADTAVYFCARLNYDILTGYYFFDFWGQGTLVIVSSASTKGPSVFPLAPSSKSASGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSSGTQTYICNVNHKPSNTKVDKRVEPKSCDKTHHHHHHHH