>d1lo2l2 b.1.1.2 (L:113-220) Immunoglobulin (constant domains of L and H chains) {Retro Diels-Alder catalytic Fab 9D9 (mouse), kappa L chain} radaaptvsifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqd skdstysmsstltltkdeyerhnsytceathktstspivksfnrnec