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AAT Bioquest

What are the differences between enzymes and proteins?

Posted October 29, 2020


Answer

Enzymes and proteins are intrinsically linked and often confused. Essentially, an enzyme is a specific type of protein that performs a very specific function. Enzymes function to regulate biochemical reactions in living things, in this sense, they operate solely as a functional protein, while a protein can be either functional or structural. Therefore, all enzymes can be adequately described as globular proteins, however, not all proteins are globular. Proteins are macromolecules, that consist of polymers of amino acids that come to operate as the structural and functional basis for cells within living things. A protein can have multiple functions, including but not limited to enzyme catalysis, defense, transport, storage, and support.

EnzymesProteins
• Specific type of protein• Not all proteins are enzymes
• Regulate biochemical reactions• Macromolecules of amino acids that are the basis of cells in living things
• Only functional• Functional and Structural
• All enzymes are globular proteins• Proteins are either globular or fibrous
Additional resources

Protein

Amplite™ Fluorimetric Glucose-6-Phosphate Dehydrogenase (G6PD) Assay Kit

Amplite™ Fluorimetric Protein Quantitation Kit *Orange Fluorescence*