... shows the SDS/PAGE of purified ccNiR upondifferent treatments. The complex dissociates into an intenseband of 61 kDa (NrfA) and a band of weak intensity of 19 kDa (NrfH), confirming its hetero-oligomeric ... 1).However, in the absence of boiling (Fig. 1A, lanes 2 and 4) high molecular mass bands of approximately 110 kDa and > 200 kDa were visible, as well as a faint band at37 kDa, suggesting the ... proteins during theassembly of the head of bacteriophage T4. Nature 227, 680–685.28. Blum, H., Beier, H. & Gross, H.J. (1987) Improved silver staining of plant proteins, RNA and DNA in polyacrylamide...