3O5Z:
reference: X-ray structure of the SH3 domain of the phosphoinositide 3-kinase p85beta subunit., Chen S, Xiao Y, Ponnusamy R, Tan J, Lei J, Hilgenfeld R, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2011 Nov 1;67(Pt 11):1328-33., Epub 2011 Oct 25. PMID: 22102226

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