{
    "PMID": "10051558",
    "TI": "Unexpected crucial role of residue 225 in serine proteases.",
    "JT": "Proceedings of the National Academy of Sciences of the United States of America",
    "BTI": "",
    "DP": "1999-03-02",
    "AU": "Guinto E R, Caccia S, Rose T, F\u00fctterer K, Waksman G, Di Cera E"
}