PR:Q5PQR5-1 rIMP4/iso:1 U3 small nucleolar ribonucleoprotein protein IMP4 isoform 1 (rat) rIMP4/iso:1 PR:000000001 NCBITaxon:10116 RGD:1308463 PR:Q5PQR5 UniProtKB:Q5PQR5-1