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|Title:||An off-pathway folding intermediate of an acyl carrier protein domain coexists with the folded and unfolded states under native conditions|
|Keywords:||acyl carrier protein|
|Citation:||Lim, J., Xiao, T., Fan, J., Yang, D. (2014-02-24). An off-pathway folding intermediate of an acyl carrier protein domain coexists with the folded and unfolded states under native conditions. Angewandte Chemie - International Edition 53 (9) : 2358-2361. ScholarBank@NUS Repository. https://doi.org/10.1002/anie.201308512|
|Abstract:||A protein can exist in multiple states under native conditions and those states with low populations are often critical to biological function and self-assembly. To investigate the role of the minor states of an acyl carrier protein, NMR techniques were applied to determine the number of minor states and characterize their structures and kinetics. The acyl carrier protein from Micromonospora echinospora was found to exist in one major folded state (95.2 %), one unfolded state (4.1 %), and one intermediate state (0.7 %) under native conditions. The three states are in dynamic equilibrium and the intermediate state very likely adopts a native-like structure and is an off-pathway folding product. The intermediate state may mediate the formation of oligomers in vitro and play an important role in the recognition of partner enzymes in vivo. Neither U(p) nor (dow)N: Acyl carrier protein from Micromonospora echinospora adopts three conformations; one folded (N), one unfolded (U), and one intermediate (I). These undergo slow conformational exchange under native conditions. The intermediate state, which is an off-pathway rather than on-pathway product, may mediate the formation of oligomers in vitro and play an important role in the recognition of partner enzymes in vivo. Copyright © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.|
|Source Title:||Angewandte Chemie - International Edition|
|Appears in Collections:||Staff Publications|
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