>d1a4kh2 b.1.1.2 (H:120-211) Immunoglobulin (constant domains of L and H chains) {Diels alder catalytic Fab (mouse), kappa L chain} svfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglysls svvtvpssslgtqtyicnvnhkpsntkvdkkv