Sequence alignment between 1d7n(A) and UniProt seq P01514 (MAST_VESLE):

P01514 (MAST_VESLE): Mastoparan-L from Vespula lewisii 
                 10     
         ---------+----
UniProt: INLKALAALAKKIL-
PDB seq: INLKALAALAKKILX
         ---------+-----
                 10