TFIIS N-terminal domain (TND) from human IWS1

Transcription elongation factor A protein 1,Protein IWS1 homolog

A ubiquitous disordered protein interaction module orchestrates transcription elongation.

Transcription elongation factor S-II protein 1

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0.35 mM [U-13C; U-15N] TFIIS-IWS1, 25 mM [U-2H] TRIS, 200 mM sodium chloride, 1 mM TCEP, 95% H2O/5% D2O