PR:Q9H1J1-1 hUPF3A/iso:h1 regulator of nonsense transcripts 3A isoform h1 (human) hUPF3A/iso:h1|regulator of nonsense transcripts 3A isoform hUPF3L (human)|regulator of nonsense transcripts 3A isoform hUpf3p (human) PR:000000001 NCBITaxon:9606 HGNC:20332 PR:Q9H1J1 UniProtKB:Q9H1J1-1