00410nam a2200181Ia 4500008004100000041001200041082001200053082001100065100001800076100001100094245003400105260001300139260002200152260000900174650001700183650001700200650001100217150909s9999    xx            000 0 und d  aEnglish  a574.192  bBLA/EN  aBlackburn S    eAuthor  aEnzyme structure and function  aNew York  bMarcel Dekker Inc  c1976  aBiochemistry  aChymotrypsin  aPapain