>1za3_B mol:protein length:236 Fab-YSd1 heavy chain EVQLVESGGGLVQPGGSLRLSCAASGFSIYSYSIHWVRQAPGKGLEWVASISPYSGYTS YADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCSRYSSYYSYYYSSSSYSYAMDY WGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTS GVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTH