metabolism 6 Alternative Splicing 4 Animals 4 Anoxia 4 DNA binding protein 4 DNA responsive element 4 DNA-Binding Proteins 4 Drosophila 4 Drosophila Proteins 4 Drosophila melanogaster 4 Drosophila protein 4 Gene Expression Regulation, Enzymologic 4 Genetic Loci 4 Humans 4 Isoenzymes 4 Life Cycle Stages 4 Mammalia 4 Oxygen 4 Procollagen-Proline Dioxygenase 4 Protein Structure, Tertiary 4 RNA, Messenger 4 Response Elements 4 Sima protein, Drosophila 4 Up-Regulation 4 alternative RNA splicing 4 animal 4 animal cell 4 anoxia 4 article 4 cell hypoxia 4