Any process that activates or increases the frequency, rate or extent of protein K63-linked ubiquitination.
Comment:
An example is BIRC2 (UniProt ID Q13490) in PMID:21931591.
Synonyms:
exact_synonym:
positive regulation of protein K63-linked polyubiquitination; up regulation of protein K63-linked polyubiquitination; up regulation of protein K63-linked ubiquitination; upregulation of protein K63-linked polyubiquitination; upregulation of protein K63-linked ubiquitination
narrow_synonym:
activation of protein K63-linked polyubiquitination; activation of protein K63-linked ubiquitination