00277nam a2200109Ia 4500008004100000245002700041260003500068300001000103490001400113600002300127650001700150140224s9999    xx            000 0 und d  aMethods in Enzymology/  aNew YorkbAcademic Pressc1986  a787p.  av125 pt M  aEdited by Colovick  aBiochemistry