>d1lo4h2 b.1.1.2 (H:119-220) Immunoglobulin (constant domains of L and H chains) {Retro Diels-Alder catalytic Fab 9D9 (mouse), kappa L chain} akttapsvyplapvcgdttgssvtlgclvkgyfpepvtltwnsgslssgvhtfpavlqsd lytlsssvtvtsstwpsqsitcnvahpasstqvdkkivpraa