[molecular_function] 5S rRNA binding <sep> disordered domain specific binding <sep> enzyme binding <sep> identical protein binding <sep> ligase activity <sep> NEDD8 ligase activity <sep> p53 binding <sep> peroxisome proliferator activated receptor binding <sep> protein domain specific binding <sep> receptor serine/threonine kinase binding <sep> ribonucleoprotein complex binding <sep> SUMO transferase activity <sep> ubiquitin binding <sep> ubiquitin protein ligase activity <sep> ubiquitin protein ligase binding <sep> ubiquitin-protein transferase activity <sep> zinc ion binding