Prevalence of one or more partially folded intermediates during protein unfolding with different secondary and ternary conformations has been identified as an integral character of protein unfolding. These transition-state species need to be characte ...
Prevalence of one or more partially folded intermediates during protein unfolding with different secondary and ternary conformations has been identified as an integral character of protein unfolding. These transition-state species need to be characterized structurally for elucidation of their folding pathways. We have determined the three-dimensional structure of an intermediate state with increased conformational space sampling under urea-denaturing condition. The protein unfolds completely at 10 M urea but retains residual secondary structural propensities with restricted motion. Here, we describe the native state, observable intermediate state, and unfolded state for ETR-3 RRM-3, which has canonical RRM fold. These observations can shed more light on unfolding events for RRM-containing proteins.
Organizational Affiliation:
Spectroscopy Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, India.,Transcription Regulation Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India. Electronic address: neelsb@icgeb.res.in.,Transcription Regulation Group, International Centre for Genetic Engineering and Biotechnology, New Delhi, India.
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