Human bromodomain pleckstrin homology domain interacting protein (PHIP), also known as IRS-1 PH Domain-Binding Protein, WDR11, and BRWD2, GenBank Accession No. NM_017934, a.a. 1146 - 1287 corresponding to bromodomain 1 , with N-terminal GST-tag, MW = 43 kDa, expressed in an E. coli cell expression system.