. "Heinz, D.W." . "Matthews, B.W." . "104L" . "LYSOZYME INSERTION MUTANT WITH ALA, ALA INSERTED AFTER SER 44, CYS 54 REPLACED BY THR, CYS 97 REPLACED BY ALA (INS(S44-AA),C54T,C97A)" . "HOW AMINO-ACID INSERTIONS ARE ALLOWED IN AN ALPHA-HELIX OF T4 LYSOZYME" . . . . . . .