Table 1.

The nonbonded energy [van der Waals (VDW) and electrostatic] between protein and each urea/water within 5 Å of protein, which is represented asE_up for urea and E_wp for water

	VDW energy		Electrostatic energy
	First 10 ns	Last 10 ns	First 10 ns	Last 10 ns
Eup	−2.1898	−2.1585	−3.4397	−2.7699
Eub	−0.8931	−0.8194	0.4275	−0.5826
Eunps	−0.3114	−0.5440	−0.0394	−0.0605
Eups	−0.9230	−0.7349	−2.2290	−1.5158
Ewp	−0.2099	−0.2241	−4.0880	−2.7906
Ewb	−0.1278	−0.0996	0.1814	−0.8033
Ewnp	−0.0888	−0.1035	−0.0282	−0.0345
Ewps	0.0210	−0.0081	−3.0143	−1.7998

The decompositions of nonbonded energy between each solvent and backbone, nonpolar side chains and polar side chains, are represented as E_?b, E_?nps and E_?ps, respectively, where ? is u for urea and w for water.