Sequence alignment between 1d4w(A) and UniProt seq O60880 (SH21A_HUMAN):

O60880 (SH21A_HUMAN): SH2 domain-containing protein 1A from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MDAVAVYHGKISRETGEKLLLATGLDGSYLLRDSESVPGVYCLCVLYHGYIYTYRVSQTETGSWSAETAPGVHKRYFRKIKNLISAFQKPDQGIVIPLQYPVEKKSSARSTQGTTGIREDPDVCLKAP
PDB seq: MDAVAVYHGKISRETGEKLLLATGLDGSYLLRDSESVPGVYCLCVLYHGYIYTYRVSQTETGSWSAETAPGVHKRYFRKIKNLISAFQKPDQGIVIPLQYPVEK------------------------
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----                        
                 10        20        30        40        50        60        70        80        90       100