Sequence alignment between 1oay(O) and UniProt seq P01724 (LV1B_MOUSE):

P01724 (LV1B_MOUSE): Ig lambda-1 chain V regions MOPC 104E/RPC20/J558/S104 from Mus musculus
                 10        20        30        40        50        60        70        80        90       100       110       120         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MAWISLILSLLALSSGAISQAVVTQESALTTSPGETVTLTCRSSTGAVTTSNYANWVQQKPDHLFTGLIGGTNNRAPGVPARFSGSLIGNKAALTITGAQTEDEAIYFCALWYSNHWVFGGGTKLTVLG
         .............................................X...XXXXX....X..X...............XXX..............................XXXXXXX............
PDB seq: --------------------AVVTQESALTTSPGETVTLTCRSST-AVT-----NWVQEKPRHLFTGLIGGTNNRAP---ARFSGSLIGNKAALTITGAQTEDEAIYFCA-------VFGGGTKLTVL-
                             --------+---------+------ --+     ----+---------+--------   --------+---------+---------+-       -+--------- 
                                    10        20        30        40        50                  70        80        90       100