positive regulation of protein K63-linked ubiquitination
Known as: up regulation of protein K63-linked polyubiquitination, up-regulation of protein K63-linked ubiquitination, up-regulation of protein K63-linked polyubiquitination
Any process that activates or increases the frequency, rate or extent of protein K63-linked ubiquitination. [GOC:TermGenie, PMID:21931591]