The invention provides isolated nucleic acids molecules, designated 33877, 47179, 26886, 46743, 27417, 32252, and 53320 nucleic acid molecules, which encode novel human transferase family members. The invention also provides antisense nucleic acid molecules, recombinant expression vectors containing 33877, 47179, 26886, 46743, 27417, 32252, or 53320 nucleic acid molecules, host cells into which the expression vectors have been introduced, and nonhuman transgenic animals in which a 33877, 47179, 26886, 46743, 27417, 32252, or 53320 gene has been introduced or disrupted. The invention still further provides isolated 33877, 47179, 26886, 46743, 27417, 32252, or 53320 proteins, fusion proteins, antigenic peptides and anti-33877, 47179, 26886, 46743, 27417, 32252, or 53320 antibodies. Diagnostic methods utilizing compositions of the invention are also provided.