Research Article

All-Atom Four-Body Knowledge-Based Statistical Potentials to Distinguish Native Protein Structures from Nonnative Folds

Table 3

Performance evaluation on 145 benchmarks in 8 decoy sets from Decoys-‘R’-Us, based on energies obtained with the four-body potential derived using a 4-letter alphabet and 12 Å cutoff as parameters.

Decoy setPDB IDNative rank-scoreFE

4state_reduced1ctf156/6310.70.2711.1
1r696/6762.50.1814.9
1sn323/6601.80.4248.5
2cro5/6742.40.4020.9
3icb137/6540.80.3421.5
4pti1/6873.50.4845.6
4rxn83/6771.10.3119.4

fisa1fc2497/501−2.2−0.224.0
1hddC442/501−1.2−0.028.0
2cro32/5011.50.0710.0
4icb465/500−1.4−0.026.0

fisa_casp31bg8A10/12012.40.0614.2
1bl0883/972−1.4−0.195.2
1eh21624/2414−0.50.0916.2
1jwe539/14080.30.049.3
smd31/12012.80.0710.0

hg_structal1ash2/302.20.4733.3
1babB1/303.70.1766.7
1colA1/303.90.4633.3
1cpcA4/301.40.190.0
1ecd11/300.30.000.0
1emy1/303.30.3866.7
1flp1/302.30.2166.7
1gdm3/301.50.1233.3
1hbg1/302.80.0333.3
1hbhA1/303.40.1833.3
1hbhB3/301.7−0.2733.3
1hdaA1/305.20.2733.3
1hdaB1/304.20.4233.3
1hlb1/302.00.2533.3
1hlm5/300.90.120.0
1hsy12/300.30.4933.3
1ithA1/303.40.1766.7
1lht13/300.10.120.0
1mba1/305.70.3133.3
1mbs30/30−2.80.1633.3
1mygA3/301.30.2566.7
1myjA14/300.10.290.0
1myt20/30−0.80.0633.3
2dhbA30/30−2.0−0.2333.3
2dhbB24/30−0.90.4533.3
2lhb1/304.70.4966.7
2pghA6/301.10.2433.3
2pghB1/302.70.2933.3
4sdhA1/302.7−0.0133.3

lattice_ssfit1beo1/19994.90.047.0
1ctf88/20011.7−0.0411.0
1dktA13/19992.50.008.5
1fca3/20013.10.0316.0
1nkl92/19981.70.0117.1
1pgb506/20000.7−0.0413.0
1trlA68/20001.80.0310.5
4icb223/20001.2−0.0313.0

ig_structal_hires1dvf1/202.10.1350.0
1fgv1/203.90.2050.0
1flr16/20−0.3−0.080.0
1fvc1/203.50.5650.0
1gaf1/203.8−0.0150.0
1hil1/202.60.5550.0
1ind7/200.20.360.0
1kem1/202.40.4650.0
1mfa1/202.00.1050.0
1mlb9/200.2−0.510.0
1nbv11/20−0.20.200.0
1opg20/20−3.8−0.450.0
1vfa1/202.20.3950.0
1vge2/201.90.4250.0
2cgr1/202.60.3950.0
2fb47/200.3−0.090.0
2fbj19/20−1.1−0.120.0
6fab3/201.50.250.0
7fab10/200.20.270.0
8fab1/202.60.1450.0

ig_structal1acy56/61−1.5−0.010.0
1baf3/612.10.1216.7
1bbd61/61−3.1−0.150.0
1bbj23/610.1−0.020.0
1dbb24/610.1−0.310.0
1dfb8/611.10.200.0
1dvf1/612.70.1116.7
1eap1/612.60.1616.7
1fai2/611.90.2933.3
1fbi12/610.8−0.0633.3
1fgv1/612.90.0316.7
1fig2/612.00.1116.7
1flr40/61−0.2−0.0816.7
1for1/613.50.1633.3
1fpt1/613.70.1216.7
1frg4/611.50.3916.7
1fvc1/612.80.1633.3
1fvd9/611.10.0933.3
1gaf1/613.50.0416.7
1ggi9/611.1−0.030.0
1gig10/611.00.160.0
1hil2/612.50.4116.7
1hkl1/614.30.0116.7
1iai1/613.00.1533.3
1ibg30/610.0−0.0816.7
1igc55/61−1.30.020.0
1igf6/611.30.1016.7
1igi2/611.90.1316.7
1igm43/61−0.50.090.0
1ikf1/612.70.3550.0
1ind20/610.50.310.0
1jel1/613.50.0216.7
1jhl1/613.10.1633.3
1kem1/612.80.2633.3
1mam1/612.00.3133.3
1mcp60/61−1.80.230.0
1mfa4/611.6−0.0116.7
1mlb23/610.4−0.190.0
1mrd2/612.60.2833.3
1nbv36/61−0.20.030.0
1ncb12/610.9−0.0216.7
1ngq13/610.80.000.0
1nmb1/612.90.3816.7
1nsn8/611.0−0.110.0
1opg61/61−2.7−0.010.0
1plg2/611.8−0.0216.7
1rmf3/611.80.0116.7
1tet2/612.6−0.1516.7
1ucb1/614.30.3316.7
1vfa1/612.50.2016.7
1vge3/612.10.0316.7
1yuh22/610.6−0.0216.7
2cgr1/602.50.1716.7
2fb419/610.4−0.120.0
2fbj53/61−0.90.1216.7
2gfb1/612.90.2816.7
3hfl12/611.00.2016.7
3hfm61/61−4.3−0.160.0
6fab7/611.40.020.0
7fab23/610.30.010.0
8fab1/613.10.0416.7

lmds1b0nB1/4983.90.0510.2
1bba496/501−2.10.0318.0
1ctf32/4981.60.0314.3
1dtk206/216−1.70.0414.3
1fc2247/5010.00.0516.0
1igd342/501−0.40.1410.0
1shfA223/4380.1−0.014.7
2cro2/5012.30.2214.0
2ovo110/3480.40.0511.8
4pti26/3441.50.0214.7
smd31/5013.50.0110.0

Native rank = (rank of native structure with given PDB ID)/(total number of decoys); a rank of 1 is optimal and means the calculated energy of the native structure is lower than that of all its decoys; = correlation coefficient; FE = fractional enrichment.