Human Dual Specificity Tyrosine Phosphorylation Regulated Kinase 1B (DYRK1B), also known as Minibrain-Related Kinase (MIRK), GenBank Accession No. NM_004714, a.a. 2-629(end), with N-terminal GST-tag, expressed in a Baculovirus infected Sf9 cell expression system. MW= 95 kDa.