>3idx_H mol:protein length:231 Fab b13 heavy chain
QVQLVESGGGVVQPGRSLRLSCAASGFTFRNYAMHWVRQAPGKGLEWVALIKYDGRNKYYADSVKGRFSISRDNSKNTLYLEMNSLRAEDTAVYYCARDIGLKGEHYDILTAYGPDYWGQGALVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKAEPKSC