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. 2021 Mar 4;13(5):1103. doi: 10.3390/cancers13051103

Figure 1.

Figure 1

Schematic representation of the domain-structure of Btk. PH, pleckstrin homology; TH, Tec homology; SH, Src homology; the SH1 domain is identical to the kinase domain. Y223, autophosphorylation site.