>4xx1_E mol:protein length:238 Fab1 heavy chain
QVQLVESGGGVVQPGRSLRLSCAASGFTFSSYGMHWVRQAPGKGLEWVAVIWYDGSNKFYEDSVKGRFTISRDNSKNTLYLQMDSLRAEDTAVYYCAREGAAVRSFYYSYYGMDVWGQGTTVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSHSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCAAAENLYFQ