A protein domain is a distinct functional and structural unit within a protein, often responsible for a particular function or interaction, and can evolve, function, and exist independently of the rest of the protein chain. Domains are critical for the modular architecture of proteins, allowing for the combination of different domains to create proteins with diverse functions.

Protein Domain

protein domain

A Functional Unit is a specific component or entity within a system that performs a distinct function or set of functions, often used to measure and compare the efficiency and performance of processes. It is crucial in systems analysis and life cycle assessment to ensure consistent and meaningful comparisons between different systems or products.

Functional Unit

structural unit

particular function

Protein interactions are crucial for virtually all biological processes, as they facilitate communication and functional coordination between proteins within a cell. Understanding these interactions can reveal insights into cellular mechanisms and help identify potential therapeutic targets for diseases.

Protein Interaction

Evolution of proteins

Modular architecture refers to a design approach that divides a system into smaller, self-contained units or modules, which can be independently created, modified, replaced, or exchanged between different systems. This approach enhances flexibility, scalability, and maintainability, making it ideal for complex systems and adaptive environments.

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