The protein encoded by this gene contains a RING finger, a motif present in a variety of functionally distinct proteins and known to be involved in protein-protein and protein-DNA interactions. The specific function of this protein has not yet been determined. Three alternatively spliced transcript variants encoding two distinct isoforms have been reported.
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Abdullah JM, Li X, Nachtman RG, Jurecic R (2001). "FLRF, a novel evolutionarily conserved RING finger gene, is differentially expressed in mouse fetal and adult hematopoietic stem cells and progenitors". Blood Cells Mol. Dis. 27 (1): 320–33. doi:10.1006/bcmd.2001.0390. PMID11358394.