Table 4. Estimation of positive sites in gene families related to sugar metabolism and transport using the M3 + S1 Model in Fitmodel.

Gene family	Grass-specific	Eudicot-specific
SUT1	N/A	27, 245, 260, 266, 346, 403, 409, 411, 414, 425
SUT2	N/A	97, 211, 356, 411, 477, 541
SUT4	N/A	N/A
VGT	N/A	N/A
STP	N/A	N/A
TMT	N/A	272, 552, 841, 864
PMT	N/A	36, 38, 82, 87, 92, 504, 522, 632
HK	N/A	20, 29, 34, 61, 67, 70, 74, 83, 89, 179, 180, 181
NI	67, 70, 71, 92, 128, 129, 131, 134, 149, 155, 156, 163, 180, 182, 183, 192, 193, 194, 195, 203, 223, 348, 736	109, 111, 112, 124, 137, 145, 153, 156, 157, 168–171, 180, 181, 183, 190, 200, 203, 218, 219, 221, 222, 226, 231, 254–257, 262, 263, 266, 271, 277–279, 681, 718
SUSY	N/A	120, 135, 1455, 1492, 1674, 1677, 1678, 1679
SPS	82, 110–112, 115, 133, 266, 449, 514, 528, 552, 669, 798, 805, 881, 932, 995, 1003, 1049, 1061, 1064, 1068, 1070, 1088, 1092, 1094, 1099, 1102, 1104, 1129, 1132, 1142, 1148, 1180, 1181, 1182, 1229, 1232, 1235, 1238, 1242, 1251, 1254, 1256, 1282, 1303, 1304, 1305, 1310, 1329, 1324	22, 37, 41, 42, 68, 73, 90, 104, 121, 135, 136, 139, 140, 167, 170, 176–178, 181–183, 297, 313, 338, 362, 398, 429, 463, 467, 491, 505, 535, 541, 552, 554, 557, 560, 585, 601, 638, 809, 814, 827, 833, 841, 851, 869, 873, 874, 878, 891, 892, 899–901, 904, 905, 912, 914, 915, 927, 928, 929, 937, 938, 947, 951, 955, 959, 962, 964, 967, 968, 972, 976, 978, 983, 985–987, 998, 1009, 1011, 1023, 1024, 1046, 1047, 1058–1060, 1064, 1069, 1071, 1073, 1089, 1091, 1096, 1150, 1176, 1178, 1199, 1205–1208, 1210–1214, 1217, 1227, 1231
INT	N/A	25, 78–82, 123, 124, 137, 148, 157, 172–181, 225, 361, 463, 491, 535–542
pGlcT	N/A	68, 87, 94, 99, 103, 116, 129, 130, 482, 576, 608
ERD6-like	N/A	29, 38, 61, 74, 89, 137.233, 231, 429