Any process that activates or increases the frequency, rate or extent of snRNA transcription mediated by RNA polymerase II.
Comment:
An example of this is GTF2A1 in human (UniProt symbol P52655) in PMID:10022900 (inferred from direct assay).
Synonyms:
exact_synonym:
positive regulation of snRNA transcription from Pol II promoter; positive regulation of snRNA transcription from RNA polymerase II promoter; up regulation of snRNA transcription from Pol II promoter; up regulation of snRNA transcription from RNA polymerase II promoter; upregulation of snRNA transcription from Pol II promoter; upregulation of snRNA transcription from RNA polymerase II promoter
narrow_synonym:
activation of snRNA transcription from Pol II promoter; activation of snRNA transcription from RNA polymerase II promoter