Meaning of polyubiquitin in English:
polyubiquitin
noun
A protein precursor of ubiquitin, consisting of a number of ubiquitin subunits.
Pronunciation
polyubiquitin
/ˌpɒlɪjuːˈbɪkwɪtɪn/ /ˌpɒlɪjʊˈbɪkwɪtɪn/ Origin
1980s; earliest use found in Nature: a weekly journal of science.