Sequence alignment between 1a7f(B) and UniProt seq P01308 (INS_HUMAN):

P01308 (INS_HUMAN): Insulin from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MALWMRLLPLLALLALWGPDPAAAFVNQHLCGSHLVEALYLVCGERGFFYTPKTRREAEDLQVGQVELGGGPGAGSLQPLALEGSLQKRGIVEQCCTSICSLYQLENYCN
         .......................................X.......X..............................................................
PDB seq: ------------------------FVNQHLCGSHLVEALELVCGERGGFYTPK---------------------------------------------------------
                                 ---------+---------+---------                                                         
                                         10        20