>4zfo_A mol:protein length:221 J22.9-xi Fab, Heavy Chain QVQLQQSGGGLVQPGGSLKLSCAASGIDFSRYWMSWVRRAPGKGLEWIGEINPDSSTIN YAPSLKDKFIISRDNAKNTLYLQMSKVRSEDTALYYCASLYYDYGDAMDYWGQGTSVTV SSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVL QSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPA