00281nam a2200109Ia 4500008004100000040001100041100001800052245004000070260003600110300001400146300001100160251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aHerbert Tabor 4aThe Journal of Biological Chemistry  c1973bWaverly Press Inc.aU.S.A  aP. 1-1498  bV. 248