00305nam a2200121Ia 4500008004100000022001400041040001100055100001500066245003300081260004600114300001400160300000900174251112s9999||||xx |||||||||||||| ||und||  a0022-2836  aCNCLSA  aS. Brenner 0aJournal of Molecular Biology  cJanuary 5, 1990bAcademic PressaNew York  aP. 1-1010  bV.44