Any process that activates or increases the frequency, rate or extent of ubiquitin protein ligase activity.
Synonyms:
exact_synonym:
positive regulation of protein ubiquitination activity; up regulation of protein ubiquitination activity; up regulation of ubiquitin ligase activity; up regulation of ubiquitin protein ligase activity; upregulation of protein ubiquitination activity; upregulation of ubiquitin ligase activity; upregulation of ubiquitin protein ligase activity
narrow_synonym:
activation of APC-Cdc20 complex activity; activation of APC-fizzy related complex activity; activation of anaphase-promoting complex activity; activation of protein ubiquitination activity; activation of ubiquitin ligase activity; activation of ubiquitin protein ligase activity; positive regulation of APC-fizzy related complex activity; up regulation of APC-fizzy related complex activity; upregulation of APC-fizzy related complex activity
related_synonym:
activation of E3; positive regulation of E3; positive regulation of ubiquitin ligase activity; up regulation of E3; upregulation of E3