DNA-Binding Proteins/metabolism; Drosophila Proteins/metabolism; Drosophila melanogaster/metabolism; Protein Binding/physiology; Protein Folding; RNA/metabolism; Animals; Circular Dichroism; DNA/metabolism; DNA, Single-Stranded/metabolism; DNA-Binding Proteins/chemistry; DNA-Binding Proteins/genetics; Drosophila Proteins/chemistry; Drosophila Proteins/genetics; Drosophila melanogaster/chemistry; Electrophoretic Mobility Shift Assay; Endopeptidases/metabolism; Fluorescent Dyes/chemistry; Hydrophobic and Hydrophilic Interactions; Models, Molecular; Oligodeoxyribonucleotides/metabolism; Oligoribonucleotides/metabolism; Protein Conformation; Protein Structure, Secondary; Protein Unfolding; Pupa/chemistry; Pupa/metabolism; RNA, Double-Stranded/metabolism; RNA, Messenger/analysis; RNA, Messenger/metabolism; RNA, Ribosomal, 16S/analysis; RNA, Ribosomal, 16S/metabolism; RNA, Ribosomal, 23S/analysis; RNA, Ribosomal, 23S/metabolism; Recombinant Proteins/chemistry; Recombinant Proteins/genetics; Recombinant Proteins/isolation & purification; Recombinant Proteins/metabolism; Ribonucleases/analysis; Ribonucleases/metabolism; Spectrometry, Fluorescence; Surface Properties; Temperature; Transition Temperature