. "\"Interacting selectively and non-covalently with ubiquitin, a protein that when covalently bound to other cellular proteins marks them for proteolytic degradation.\" [GOC:ecd]" . . "ubiquitin binding" . "Reactome:REACT_103506 \"Polyubiquitinated NRIF binds to p62 (Sequestosome), Bos taurus\"" . "Reactome:REACT_115873 \"Transfer of ISG15 from E1 to E2 (UBCH8), Homo sapiens\"" . "Reactome:REACT_13460 \"Polyubiquitinated NRIF binds to p62 (Sequestosome), Homo sapiens\"" . "Reactome:REACT_75860 \"Transfer of ubiquitin from E1 to E2, Homo sapiens\"" . "Reactome:REACT_77056 \"Polyubiquitinated NRIF binds to p62 (Sequestosome), Gallus gallus\"" . "Reactome:REACT_78292 \"Polyubiquitinated NRIF binds to p62 (Sequestosome), Mus musculus\"" . "Reactome:REACT_80542 \"Polyubiquitinated NRIF binds to p62 (Sequestosome), Rattus norvegicus\"" . "Reactome:REACT_90680 \"Polyubiquitinated NRIF binds to p62 (Sequestosome), Taeniopygia guttata\"" . .