complex(p(HGNC:PPP2R1A), p(INTERPRO:"Protein phosphatase 2A, regulatory B subunit, B56"))
First, conformational flexibility of the scaffold subunit is required for binding to the catalytic subunit and possibly other interacting proteins such as the regulatory subunits. PubMed:19277525
For example, two regions of the B′ subunit were found to mediate interaction with the scaffold subunit of PP2A PubMed:19277525
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If you find BEL Commons useful in your work, please consider citing: Hoyt, C. T., Domingo-Fernández, D., & Hofmann-Apitius, M. (2018). BEL Commons: an environment for exploration and analysis of networks encoded in Biological Expression Language. Database, 2018(3), 1–11.