Fig. 3From: Production of functional, stable, unmutated recombinant human papillomavirus E6 oncoprotein: implications for HPV-tumor diagnosis and therapySpectral properties of the HPV16 His6-E6 protein. a Far-UV-CD spectrum. b Near-UV-CD spectrum. c Intrinsic fluorescence emission spectrum (290 nm excitation). All spectra were recorded at 20 °C in PBS− containing 100 µM DTT and 0.02 % betaineBack to article page