Amino Acid Sequence|Animals|Anopheles|Arabidopsis Proteins|COP9 Signalosome Complex|Cell Cycle Proteins|Consensus Sequence|Drosophila Proteins|Helix-Loop-Helix Motifs|Humans|Macromolecular Substances|Molecular Sequence Data|Multienzyme Complexes|Multiprotein Complexes|Neurospora crassa|Nuclear Proteins|Peptide Hydrolases|Phylogeny|Proteasome Endopeptidase Complex|Protein Kinases|Protein-Serine-Threonine Kinases|Repressor Proteins|Ribonucleoproteins|Saccharomyces cerevisiae Proteins|Schizosaccharomyces pombe Proteins|Sequence Alignment