2YS2 TRANSFERASE, BONE MARROW TYROSINE KINASE GENE IN CHROMOSOME X PROTEIN, EPITHELIAL AND ENDOTHELIAL TYROSINE KINASE, ETK, NTK38, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI SOLUTION STRUCTURE OF THE BTK MOTIF OF HUMAN CYTOPLASMIC TYROSINE-PROTEIN KINASE BMX