Table 3.
Ka/Ks calculation of each pair of syntenic BraABC paralogs among three subgenomes.
| Syntenic paralog pairs | S-Sites | N-Sites | Ka | Ks | Ka/Ks | Selection pressure | Duplication time (MYA) |
|---|---|---|---|---|---|---|---|
| ABCI7_ABCB28 | 101.7 | 312.3 | 0.0361 | 0.2692 | 0.1340 | Purify selection | 8.97 |
| ABCA7_ABCA1 | 426.3 | 1430.7 | 0.1214 | 0.6921 | 0.1754 | Purify selection | 23.07 |
| ABCA7_ABCA10 | 387.3 | 1325.7 | 0.2713 | 1.1081 | 0.2449 | Purify selection | 36.94 |
| ABCA8_ABCA1 | 637.9 | 2110.1 | 0.1567 | 0.6438 | 0.2433 | Purify selection | 21.46 |
| ABCG55_ABCG33 | 459.5 | 1457.5 | 0.0181 | 0.3379 | 0.0534 | Purify selection | 11.26 |
| ABCA8_ABCA10 | 548.6 | 1884.4 | 0.3411 | 0.7180 | 0.4751 | Purify selection | 23.93 |
| ABCI3_ABCA10 | 184.7 | 634.3 | 0.2605 | 0.9483 | 0.2747 | Purify selection | 31.61 |
| ABCB36_ABCB4 | 513.5 | 1622.5 | 0.0358 | 0.3744 | 0.0955 | Purify selection | 12.48 |
| ABCC21_ABCC3 | 833.1 | 2877.9 | 0.4073 | 0.2114 | 1.9264 | Positive selection | 7.05 |
| ABCC8_ABCC3 | 907.0 | 2972.0 | 0.3718 | 0.2640 | 1.4083 | Positive selection | 8.80 |
| ABCG39_ABCG54 | 998.5 | 3303.5 | 0.0407 | 0.4111 | 0.0991 | Purify selection | 13.70 |
| ABCC14_ABCC12 | 828.4 | 2879.6 | 0.4574 | 0.3221 | 1.4202 | Positive selection | 10.74 |
| ABCC14_ABCC10 | 934.3 | 2995.7 | 0.0773 | 0.4210 | 0.1836 | Purify selection | 14.03 |
| ABCB18_ABCB27 | 795.6 | 2522.4 | 0.0923 | 0.5602 | 0.1647 | Purify selection | 18.67 |
| ABCC20_ABCC3 | 1, 022.8 | 3318.2 | 0.0711 | 0.3866 | 0.1838 | Purify selection | 12.89 |
| ABCB13_ABCB12 | 918.0 | 2913.0 | 0.0214 | 0.3618 | 0.0592 | Purify selection | 12.06 |
| ABCG21_ABCG10 | 998.9 | 3207.1 | 0.0312 | 0.3336 | 0.0935 | Purify selection | 11.12 |
| ABCG44_ABCG7 | 357.6 | 1103.5 | 0.0806 | 0.2724 | 0.2959 | Purify selection | 9.08 |
| ABCC20_ABCC2 | 948.6 | 3050.4 | 0.1483 | 0.1105 | 1.3417 | Positive selection | 3.68 |
| ABCC8_ABCC2 | 972.1 | 3176.9 | 0.2673 | 0.7469 | 0.3578 | Purify selection | 24.90 |
| ABCC21_ABCC2 | 946.1 | 3055.9 | 0.3096 | 0.6745 | 0.4590 | Purify selection | 22.48 |
| ABCB35_ABCB25 | 854.1 | 2598.9 | 0.1366 | 0.1034 | 1.3209 | Positive selection | 3.45 |
| ABCC15_ABCC10 | 935.2 | 3144.8 | 0.3639 | 0.5253 | 0.6928 | Purify selection | 17.51 |
| ABCC12_ABCC10 | 969.0 | 3225.0 | 0.2990 | 0.8343 | 0.3583 | Purify selection | 27.81 |
| ABCG6_ABCG49 | 482.0 | 1453.0 | 0.0674 | 0.4778 | 0.1411 | Purify selection | 15.93 |
| ABCA8_ABCI3 | 190.6 | 658.4 | 0.1729 | 0.4297 | 0.4024 | Purify selection | 14.32 |
| ABCE1_ABCE4 | 403.6 | 1336.4 | 0.0159 | 0.3465 | 0.0458 | Purify selection | 11.55 |
| ABCE1_ABCE6 | 403.8 | 1336.2 | 0.0128 | 0.3867 | 0.0332 | Purify selection | 12.89 |
| ABCG42_ABCG53 | 477.8 | 1541.2 | 0.0167 | 0.3074 | 0.0544 | Purify selection | 10.25 |
| ABCG14_ABCG47 | 503.7 | 1587.3 | 0.1408 | 0.8319 | 0.1693 | Purify selection | 27.73 |
| ABCA1_ABCA10 | 556.0 | 1850.0 | 0.3796 | 0.3834 | 0.9900 | Purify selection | 12.78 |
| ABCG35_ABCG3 | 974.6 | 3264.4 | 0.0445 | 0.3155 | 0.1410 | Purify selection | 10.52 |
| ABCA7_ABCI3 | 187.0 | 650.0 | 0.2065 | 0.4738 | 0.4358 | Purify selection | 15.79 |
| ABCC15_ABCC12 | 1, 120.0 | 3644.0 | 0.0265 | 0.3014 | 0.0880 | Purify selection | 10.05 |
| ABCC8_ABCC20 | 904.9 | 3043.1 | 0.3938 | 0.2233 | 1.7637 | Positive selection | 7.44 |
| ABCB11_ABCB5 | 958.6 | 3031.4 | 0.0232 | 0.4174 | 0.0555 | Purify selection | 13.91 |
| ABCC8_ABCC21 | 1, 000.5 | 3268.5 | 0.1138 | 0.6474 | 0.1758 | Purify selection | 21.58 |
| ABCB17_ABCB28 | 904.7 | 2851.3 | 0.0149 | 0.4701 | 0.0316 | Purify selection | 15.67 |
| ABCB14_ABCB6 | 1, 006.1 | 3190.9 | 0.0231 | 0.3068 | 0.0754 | Purify selection | 10.23 |
| ABCI15_ABCI11 | 638.6 | 2133.4 | 0.0367 | 0.3204 | 0.1147 | Purify selection | 10.68 |
| ABCI16_ABCI4 | 556.1 | 1861.9 | 0.0032 | 0.2802 | 0.0115 | Purify selection | 9.34 |
| ABCI16_ABCI10 | 557.1 | 1864.0 | 0.0059 | 0.3252 | 0.0182 | Purify selection | 10.84 |
| ABCG2_ABCG13 | 455.1 | 1455.9 | 0.0457 | 0.2647 | 0.1725 | Purify selection | 8.82 |
| ABCE4_ABCE6 | 419.3 | 1395.7 | 0.0072 | 0.3489 | 0.0206 | Purify selection | 11.63 |
| ABCI4_ABCI10 | 558.7 | 1865.3 | 0.0032 | 0.2760 | 0.0117 | Purify selection | 9.20 |
| ABCG16_ABCG47 | 506.8 | 1587.2 | 0.0779 | 0.3979 | 0.1959 | Purify selection | 13.26 |
| ABCG15_ABCG47 | 324.9 | 1016.1 | 0.2803 | 0.1506 | 1.8615 | Positive selection | 5.02 |
| ABCG17_ABCG47 | 420.4 | 1373.6 | 0.3868 | 0.2192 | 1.7644 | Positive selection | 7.31 |
| ABCA9_ABCI3 | 170.8 | 552.2 | 0.4139 | 0.5472 | 0.7564 | Purify selection | 18.24 |
| ABCB17_ABCI7 | 101.8 | 312.2 | 0.0361 | 0.2976 | 0.1213 | Purify selection | 9.92 |
| ABCA6_ABCI3 | 190.8 | 649.2 | 0.1545 | 0.6303 | 0.2452 | Purify selection | 21.01 |
| ABCI29_ABCI8 | 203.3 | 675.7 | 0.0279 | 0.3872 | 0.0720 | Purify selection | 12.91 |
| ABCF6_ABCF4 | 405.4 | 1346.6 | 0.0617 | 0.4685 | 0.1317 | Purify selection | 15.62 |
| ABCG41_ABCI27 | 86.6 | 309.4 | 0.0364 | 0.4439 | 0.0821 | Purify selection | 14.80 |
| ABCA6_ABCA1 | 656.7 | 2, 169.3 | 0.0777 | 0.3726 | 0.2086 | Purify selection | 12.42 |
| ABCA9_ABCA1 | 459.7 | 1, 547.3 | 0.5582 | 0.9212 | 0.6060 | Purify selection | 30.71 |
| ABCA6_ABCA10 | 585.3 | 1, 934.7 | 0.2449 | 1.1391 | 0.2149 | Purify selection | 37.97 |
| ABCA9_ABCA10 | 441.0 | 1, 446.0 | 0.6087 | 0.6633 | 0.9177 | Purify selection | 22.11 |
| ABCG57_ABCG16 | 506.5 | 1, 581.6 | 0.0697 | 0.3955 | 0.1764 | Purify selection | 13.18 |
| ABCG57_ABCG15 | 350.3 | 1, 068.7 | 0.1476 | 0.6815 | 0.2165 | Purify selection | 22.72 |
| ABCG57_ABCG17 | 467.6 | 1, 476.4 | 0.2053 | 1.2659 | 0.1622 | Purify selection | 42.20 |
| ABCC7_ABCC1 | 918.1 | 2, 984.9 | 0.1512 | 0.1284 | 1.1774 | Positive selection | 4.280 |
| ABCB18_ABCB26 | 436.6 | 1, 384.4 | 0.2332 | 0.1448 | 1.6106 | Positive selection | 4.83 |
| ABCG22_ABCG9 | 983.5 | 3, 297.5 | 0.0375 | 0.4045 | 0.0926 | Purify selection | 13.48 |
| ABCB2_ABCB8 | 890.4 | 2, 802.6 | 0.0566 | 0.3556 | 0.1592 | Purify selection | 11.85 |
| ABCG28_ABCG23 | 972.9 | 3, 257.1 | 0.0592 | 0.4121 | 0.1437 | Purify selection | 13.74 |
| ABCG27_ABCG23 | 977.1 | 3, 279.9 | 0.0649 | 0.3697 | 0.1755 | Purify selection | 12.32 |
| ABCE2_ABCE3 | 416.3 | 1, 392.7 | 0.0879 | 0.6704 | 0.1311 | Purify selection | 22.35 |
| ABCG50_ABCG49 | 488.3 | 1, 455.7 | 0.0566 | 0.4861 | 0.1164 | Purify selection | 16.20 |
| ABCG45_ABCG20 | 485.2 | 1, 554.8 | 0.0363 | 0.4193 | 0.0867 | Purify selection | 13.98 |
| ABCG57_ABCG47 | 513.3 | 1, 598.7 | 0.0484 | 0.4063 | 0.1192 | Purify selection | 13.54 |
| ABCG40_ABCG54 | 997.6 | 3, 304.4 | 0.0432 | 0.4119 | 0.1050 | Purify selection | 13.73 |
| ABCG50_ABCG6 | 493.9 | 1, 474.1 | 0.0617 | 0.5136 | 0.1202 | Purify selection | 17.12 |
| ABCG61_ABCG4 | 550.0 | 1, 697.0 | 0.0279 | 0.3461 | 0.0806 | Purify selection | 11.54 |
| ABCG57_ABCG14 | 480.0 | 1, 551.0 | 0.2200 | 0.3336 | 0.6596 | Purify selection | 11.12 |
| ABCI26_ABCI18 | 554.5 | 1, 872.5 | 0.0322 | 0.3497 | 0.0920 | Purify selection | 11.66 |
S-Sites, number of synonymous sites; N-Sites, number of non-synonymous sites; Ka, non-synonymous substitution rate; Ks, synonymous substitution; MYA, million years ago.