Structure and nucleic acid binding properties of KOW domains 4 and 6-7 of human transcription elongation factor DSIF.

DRB sensitivity-inducing factor 160 kDa subunit

DRB sensitivity-inducing factor large subunit

0.6 mM [U-99% 13C; U-99% 15N] KOW4, 20 mM sodium phosphate, 20 mM sodium chloride, 0.5 mM DTT, 90% H2O/10% D2O

Schwieters, Kuszewski, Tjandra and Clore