Refinement and temperature factor analysis of the r-state m15-c118, 239s double-mutant of the enzyme glucosamine-6-phosphate deaminase from escherichia coli k12 - Pereira, R N R; Garratt, Richard Charles; Horjales, Eduardo; Calcagno, M L; Altamirano, M; Oliva, Glaucius (Reuniao Anual da Sociedade Brasileira de Bioquimica e Biologia Molecular, 1995)