scholarly journals Allosteric Modulation of the M3 Muscarinic Receptor by Amiodarone and N-Ethylamiodarone: Application of the Four-Ligand Allosteric Two-State Model

2011 ◽  
Vol 80 (3) ◽  
pp. 378-388 ◽  
Author(s):  
Edward Stahl ◽  
Gwendolynne Elmslie ◽  
John Ellis
Keyword(s):  
Muscarinic Receptor ◽  
Allosteric Modulation ◽  
State Model ◽  
M3 Muscarinic Receptor ◽  
Two State Model

Polarographic studies on renaturation of urea-denatured human serum albumin

1989 ◽  
Vol 54 (2) ◽  
pp. 536-543 ◽  
Author(s):  
Josef Chmelík ◽  
Pavel Anzenbacher ◽  
Vítěz Kalous
Keyword(s):  
Human Serum Albumin ◽  
Serum Albumin ◽  
Human Serum ◽  
Irreversible Process ◽  
State Model ◽  
Native Protein ◽  
Main Components ◽  
Two State Model ◽  
Kinetics Of

The renaturation of the two main components of human serum albumin, i.e. of mercaptalbumin and nonmercaptalbumin, was studied polarographically. It has been demonstrated that renaturation of both proteins after 1-min denaturation in 8M urea is reversible. By contrast, renaturation after 200 min denaturation in 8M urea is an irreversible process; the characteristics of renatured mercaptalbumin differ more from the properties of the native protein than the characteristics of nonmercaptalbumin. The studies of the kinetics of renaturation of both proteins have shown that the renaturation can be represented by a two-state model. This means that the existence of stable intermediary products during the renaturation process was not determined polarographically.

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