>4xmm_H mol:protein length:271 Antibody 57 heavy chain
MKKNIAFLLASMFVFSIATNAYAEISEVQLVESGGGLVQPGGSLRLSCAASGFNVSYSSIHWVRQAPGKGLEWVASIYPYYGSTSYADSVKGRFTISADTSKNTAYLQMNSLRAEDTAVYYCARTGMYFGFFHHSWSNAALDYWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPKSCDKTHTGGSHHHHHH