00299nam a2200121Ia 4500008004100000100002000041245002700061260003500088300001000123490000900133600001800142650001700160140224s9999    xx            000 0 und d  aColovick, S.P.   aMethods in Enzymology/  aNew YorkbAcademic Pressc1987  a732p.  av142  aS.P. Colovick  aBiochemistry