>1yxa_A mol:protein length:398 serine (or cysteine) proteinase inhibitor, clade A, member 3NFPDGTLGMDAAVQEDHDNGTQLDSLTLASINTDFAFSLYKELVLKNPDTNIVFSPLSISAALALVSLGAKGNTLEEILEGLKFNLTETSEADIHQGFGHLLQRLNQPKDQVQISTGSALFIEKRQQILTEFQEKAKTLYQAEAFTADFQQPRQAKKLINDYVRKQTQGMIKELVSDLDKRTLMVLVNYIYFKAKWKVPFDPLDTFKSEFYCGKRRPVIVPMMSMEDLTTPYFRDEELSCTVVELKYTGNASALFILPDQGRMQQVEASLQPETLRKWKNSLKPRMIDELHLPKFSISTDYSLEDVLSKLGIREVFSTQADLSAITGTKDLRVSQVVHKAVLDVAETGTEAAAATGVKFVPMSAKLYPLTVYFNRPFLIMIFDTETEIAPFIAKIANPK