CompaRNA - on-line benchmarks of RNA structure prediction methods
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Table of contents:

  1. Overview

  2. Performance Plots

  3. Performance of Pknots - scored higher in this pairwise comparison

  4. Performance of Afold - scored lower in this pairwise comparison

  5. Compile and download dataset for Pknots & Afold [.zip] - may take several seconds...


Overview

Metric Pknots Afold
MCC 0.569 > 0.557
Average MCC ± 95% Confidence Intervals 0.576 ± 0.089 > 0.532 ± 0.097
Sensitivity 0.518 > 0.493
Positive Predictive Value 0.631 < 0.635
Total TP 580 > 552
Total TN 144754 < 144804
Total FP 372 < 382
Total FP CONTRA 61 > 33
Total FP INCONS 278 < 284
Total FP COMP 33 < 65
Total FN 539 < 567
P-value 2.23046259944e-06

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Performance plots


  1. Comparison of performance of Pknots and Afold. Positive Predictive Value (PPV) is plotted against sensitivity. Each dot represents a single test of each method. See tables below for raw data (individual counts for Pknots and Afold).

  2. Average Matthews Correlation Coefficients (MCC) with 95% confidence intervals (CIs) were plotted for different RNA families, for which at least 3 members were present in the benchmarking dataset. 'n' denotes the number of MCCs used to calculate the average and CI. See tables below for raw data (individual counts for Pknots and Afold).

  3. Comparison of average Matthews Correlation Coefficients (MCCs) for Pknots and Afold. The whiskers correspond to 95% confidence intervals (CIs). 'n' denotes the number of MCCs used to calculate average MCCs and CIs. See tables below for raw data (individual counts for Pknots and Afold).

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Performance of Pknots - scored higher in this pairwise comparison

1. Total counts & total scores for Pknots

Total Base Pair Counts
Total TP 580
Total TN 144754
Total FP 372
Total FP CONTRA 61
Total FP INCONS 278
Total FP COMP 33
Total FN 539
Total Scores
MCC 0.569
Average MCC ± 95% Confidence Intervals 0.576 ± 0.089
Sensitivity 0.518
Positive Predictive Value 0.631
Nr of predictions 37

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2. Individual counts for Pknots [ download as .csv ]

RNA Chain Rfam family MCC SENS PPV TP TN FP FP CONTRA FP INCONS FP COMP FN
2KDQ_B 0.95 0.91 1.00 10 396 0 0 0 0 1
2KFC_A - 0.11 0.10 0.17 2 618 10 0 10 0 18
2KX8_A 0.94 0.89 1.00 16 845 0 0 0 0 2
2LC8_A 0.79 0.75 0.83 15 1522 3 1 2 0 5
2LKR_A - 0.44 0.44 0.45 17 6067 22 4 17 1 22
2RP0_A - 0.66 0.58 0.78 7 342 2 1 1 0 5
2WRQ_Y 0.57 0.59 0.56 10 2832 12 5 3 4 7
2WW9_E - 0.39 0.29 0.57 4 554 3 0 3 0 10
2WW9_D - 0.35 0.31 0.42 8 1934 11 2 9 0 18
2WW9_F - 0.59 0.60 0.60 6 290 4 0 4 0 4
2ZZM_B 0.20 0.19 0.23 6 3460 20 2 18 0 26
2ZZN_D 0.86 0.78 0.95 21 2463 1 0 1 0 6
3A2K_C 0.45 0.43 0.48 12 2901 13 2 11 0 16
3A3A_A 0.87 0.76 1.00 28 3627 0 0 0 0 9
3ADB_C - 0.92 0.84 1.00 32 4154 0 0 0 0 6
3AKZ_H 0.84 0.75 0.95 21 2679 1 1 0 0 7
3AM1_B - 0.91 0.83 1.00 29 3211 0 0 0 0 6
3G4S_9 0.25 0.21 0.31 12 7342 27 0 27 0 45
3GCA_A - 0.35 0.24 0.57 4 521 3 0 3 0 13
3IVN_B 0.78 0.65 0.95 20 2325 1 0 1 0 11
3IWN_A 0.21 0.18 0.25 6 4254 18 1 17 0 27
3IZF_C 0.70 0.61 0.80 33 6862 8 1 7 0 21
3J0L_7 - 0.28 0.29 0.29 5 1208 12 0 12 0 12
3JYV_7 0.81 0.66 1.00 21 2829 0 0 0 0 11
3JYX_3 0.34 0.37 0.31 10 6296 24 9 13 2 17
3JYX_4 0.18 0.21 0.16 7 12203 41 13 23 5 26
3KTW_C - 0.49 0.44 0.56 19 4526 16 2 13 1 24
3LA5_A 0.80 0.65 1.00 22 2463 0 0 0 0 12
3NDB_M - 0.77 0.69 0.88 42 9132 7 1 5 1 19
3NKB_B - 0.55 0.50 0.62 13 1995 8 0 8 0 13
3NPB_A 0.76 0.67 0.86 31 6985 8 1 4 3 15
3O58_2 0.83 0.74 0.93 28 7230 3 0 2 1 10
3O58_3 0.27 0.31 0.24 11 12357 38 11 24 3 24
3RKF_A 0.77 0.62 0.95 21 2189 1 0 1 0 13
3U4M_B - 0.26 0.22 0.32 8 3135 17 0 17 0 29
4A1C_2 0.24 0.24 0.25 8 11749 36 3 21 12 25
4ENB_A 0.83 0.79 0.88 15 1258 2 1 1 0 4

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Performance of Afold - scored lower in this pairwise comparison

1. Total counts & total scores for Afold

Total Base Pair Counts
Total TP 552
Total TN 144804
Total FP 382
Total FP CONTRA 33
Total FP INCONS 284
Total FP COMP 65
Total FN 567
Total Scores
MCC 0.557
Average MCC ± 95% Confidence Intervals 0.532 ± 0.097
Sensitivity 0.493
Positive Predictive Value 0.635
Nr of predictions 37

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2. Individual counts for Afold [ download as .csv ]

RNA Chain Rfam family MCC SENS PPV TP TN FP FP CONTRA FP INCONS FP COMP FN
2KDQ_B 0.95 0.91 1.00 10 396 0 0 0 0 1
2KFC_A - -0.02 0.00 0.00 0 622 8 0 8 0 20
2KX8_A 0.94 0.89 1.00 16 845 0 0 0 0 2
2LC8_A 0.61 0.55 0.69 11 1524 6 0 5 1 9
2LKR_A - 0.93 0.87 1.00 34 6071 3 0 0 3 5
2RP0_A - 0.58 0.42 0.83 5 345 1 0 1 0 7
2WRQ_Y 0.57 0.59 0.56 10 2832 13 5 3 5 7
2WW9_E - 0.47 0.29 0.80 4 556 1 0 1 0 10
2WW9_D - 0.18 0.15 0.24 4 1936 13 0 13 0 22
2WW9_F - 0.59 0.60 0.60 6 290 4 0 4 0 4
2ZZM_B 0.21 0.19 0.25 6 3462 18 0 18 0 26
2ZZN_D 0.80 0.74 0.87 20 2462 3 0 3 0 7
3A2K_C 0.41 0.39 0.44 11 2901 14 2 12 0 17
3A3A_A 0.84 0.70 1.00 26 3629 0 0 0 0 11
3ADB_C - 0.78 0.74 0.82 28 4152 6 0 6 0 10
3AKZ_H 0.16 0.14 0.19 4 2680 17 2 15 0 24
3AM1_B - 0.72 0.66 0.79 23 3211 6 0 6 0 12
3G4S_9 0.48 0.35 0.67 20 7351 11 1 9 1 37
3GCA_A - -0.02 0.00 0.00 0 519 9 0 9 0 17
3IVN_B 0.78 0.61 1.00 19 2327 0 0 0 0 12
3IWN_A 0.62 0.58 0.68 19 4250 9 0 9 0 14
3IZF_C 0.66 0.57 0.76 31 6862 10 1 9 0 23
3J0L_7 - -0.01 0.00 0.00 0 1210 15 1 14 0 17
3JYV_7 -0.01 0.00 0.00 0 2827 23 1 22 0 32
3JYX_3 0.54 0.56 0.54 15 6300 24 1 12 11 12
3JYX_4 0.31 0.30 0.31 10 12214 35 5 17 13 23
3KTW_C - 0.71 0.63 0.82 27 4527 7 2 4 1 16
3LA5_A 0.78 0.62 1.00 21 2464 0 0 0 0 13
3NDB_M - 0.84 0.74 0.96 45 9133 3 0 2 1 16
3NKB_B - 0.59 0.54 0.67 14 1995 7 0 7 0 12
3NPB_A 0.74 0.61 0.90 28 6990 5 0 3 2 18
3O58_2 0.66 0.66 0.66 25 7222 14 4 9 1 13
3O58_3 0.34 0.34 0.34 12 12368 37 2 21 14 23
3RKF_A 0.76 0.59 1.00 20 2191 0 0 0 0 14
3U4M_B - 0.38 0.32 0.46 12 3134 14 0 14 0 25
4A1C_2 0.14 0.15 0.14 5 11745 43 5 26 12 28
4ENB_A 0.67 0.58 0.79 11 1261 3 1 2 0 8

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Matthews Correlation Coeffient, Sensitivity and Positive Predictive Value have been calculated based on the paper by Gardener & Giegerich, 2004.