>1ka7_A mol:protein length:128 SH2 DOMAIN PROTEIN 1A MDAVAVYHGKISRETGEKLLLATGLDGSYLLRDSESVPGVYCLCVLYHGYIYTYRVSQTETGSWSAETAPGVHKRYFRKIKNLISAFQKPDQGIVIPLQYPVEKKSSARSTQGTTGIREDPDVCLKAP >1ka7_B mol:protein length:12 peptide n-Y-c RKSLTIYAQVQK