Categories Classifications Viral Proteins Transferase Hydrolase Hormone Signaling Protein RNA Binding Protein Toxic Protein DNA Binding Protein Oxygen Transport Apoptosis Membrane Protein Nuclear Protein Electron Transport Storage Protein Regulatory Protein Nutrient Protein Catalytic protein Transcription Protein Type (Modality) Volumetric Ribbon Hybrid Ball-and-Stick Organism Homo sapiens Bacteria Virus Pathophysiology Infectious Disease Gene Editing Diabetes Genetics Cancer Neurology ALS Oxidation Autonomic NS