00269nam a2200109Ia 4500008004100000040001100041100001700052245003300069260003500102300001200137300001000149251112s9999||||xx |||||||||||||| ||und||  aCNCLSA  aJ.C. Kendrew 0aJournal of molecular Biology  c1977bAcademic PressaNew York  aP.1-517  bV.111