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Systems Biology Graphical Notation: Activity Flow language Level 1 Version 1.2.

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    The Systems Biological Graphical Notation (SBGN) Activity Flow (AF) language precisely maps biological activities and their influences. This standardized graphical notation enhances communication in systems biology research.

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    Area of Science:

    • Systems Biology
    • Bioinformatics
    • Computational Biology

    Background:

    • Standardized graphical representations are crucial for understanding complex biological pathways and networks.
    • Existing notations like SBGN Process Description (PD) and Entity Relationship (ER) focus on entities and relationships, but lack detailed functional activity representation.

    Framework:

    • The SBGN Activity Flow (AF) language specifically models the influences of biological activities among entities.
    • SBGN AF nodes represent biological functions (e.g., kinase activity), directly mappable to Gene Ontology terms.
    • SBGN AF edges denote relationships between activities, such as positive or negative influences.

    Implementation:

    • SBGN AF provides a precise method for detailing functional interactions within biological systems.
    • The language emphasizes the effects of entity activities on other activities, offering a distinct perspective from PD and ER.

    Implications:

    • SBGN AF offers superior precision for expressing biological knowledge, particularly for signaling pathways.
    • This standardized notation facilitates unambiguous communication and knowledge exchange across diverse scientific communities and industry stakeholders in systems biology.