GO:0034244

negative regulation of transcription elongation from RNA polymerase II promoter

Details: 
Any process that stops, prevents, or reduces the frequency, rate or extent of transcription elongation, the extension of an RNA molecule after transcription initiation and promoter clearance by the addition of ribonucleotides, catalyzed by RNA polymerase II. [GOC:mah, GOC:txnOH]
Evidence Code: