Ready-to-use ELISA kits are available for the detection of PRP39 pre-mRNA processing factor 39 homolog (yeast), an alias of the protein, pre-mRNA processing factor 39. The official gene symbol is PRPF39. The protein, with a mass of 78.4 kDa and length of 669 residues, is reported to be nuclear. It is a member of the PRP39 family and may be known by other names, including: PRP39 pre-mRNA processing factor 39 homolog, and PRP39 homolog.