The invention provides isolated nucleic acids molecules, designated 14815 nucleic acid molecules, which encode novel kinase family members. The invention also provides antisense nucleic acid molecules, recombinant expression vectors containing 14815 nucleic acid molecules, host cells into which the expression vectors have been introduced, and nonhuman transgenic animals in which a 14815 gene has been introduced or disrupted. The invention still further provides isolated 14815 proteins, fusion proteins, antigenic peptides and anti-14815 antibodies. Diagnostic and therapeutic methods utilizing compositions of the invention are also provided.