Table 2. Amino acid sites under positive selection detected by ML methods.
| Gene | Site Position | PAML | Datamonkey | TreeSAAP | |||
|---|---|---|---|---|---|---|---|
| M8a | SLACb | FELc | RELd | Radical Changes in AA Propertiese | Total | ||
| GSTA1 | 36 | √ | √ | √ | Pα, c, pHi, αc, P | 5 | |
| 49 | √ | √ | √ | √ | Ns, RF, Pc, h, F, p, Ra, P | 8 | |
| 96 | √ | √ | √ | √ | pK’, F, Ra, Hp, Ht, P | 4 | |
| 100 | √ | √ | — | 0 | |||
| 103 | √ | √ | √ | p | 1 | ||
| 121 | √ | √ | √ | √ | pK’, Ra, Ht | 3 | |
| 208 | √ | √ | Pα, Pc, pK’, F, P | 5 | |||
| 212 | √ | √ | — | 0 | |||
| 215 | √ | √ | √ | √ | Br, RF, h, pHi, Hnc, p, αc, Et | 8 | |
| 222 | √ | √ | √ | pK’ | 1 | ||
| GSTM1 | 107 | √ | √ | √ | √ | Ns, RF, h, p, P | 5 |
| GSTO1 | 23 | √ | √ | √ | Br, Bl, RF, Pc, h, F, p, Et, P | 9 | |
| 47 | √ | √ | √ | — | 0 | ||
| 69 | √ | √ | K0, F, P | 3 | |||
| 125 | √ | √ | αc | 1 | |||
| 127 | √ | √ | √ | √ | pK’ | 1 | |
| 128 | √ | √ | √ | √ | Ns, Br, Bl, RF, Pc, h, F, p, El, Ra, Hp, Ht, Et, P | 14 | |
| 216 | √ | √ | Ns, Br, RF, Pc, h, F, p, K0, Hnc, El, αc, αn, Esm, Et, P | 15 | |||
| 226 | √ | √ | pK’ | 1 | |||
| 227 | √ | √ | Pα, pHi, P | 3 | |||
| GSTO2 | 14 | √ | √ | √ | Pα | 1 | |
| 23 | √ | √ | √ | — | 0 | ||
| 43 | √ | √ | √ | √ | Ns, αn, pHi, Br, RF, h, Hnc, p, Esm, Et | 10 | |
| 141 | √ | √ | Pα, Pc, P | 3 | |||
| 164 | √ | √ | √ | √ | Ns, Pc, F, Ra, P | 5 | |
| GSTP1 | 12 | √ | √ | Pc, K0, pHi, αc | 4 | ||
| 40 | √ | √ | √ | Pα, Br, Pc, h, F, p, Et, P | 8 | ||
| GSTP2 | 11 | √ | Pα, Pc, αn, Ra, P | 5 | |||
| 12 | √ | √ | √ | √ | K0, pHi, αc | 3 | |
| 76 | √ | √ | √ | — | 0 | ||
| 111 | √ | √ | √ | Ns, pHi, Esm | 3 | ||
| 121 | √ | √ | h, pHi, p | 3 | |||
| GSTT2 | 25 | √ | √ | αc, Pr, Et, pHi, Esm | 5 | ||
| 80 | √ | √ | Pα | 1 | |||
| 237 | √ | √ | — | 0 | |||
| GSTZ1 | 71 | √ | √ | Bl, Pc, F, αm, P | 5 | ||
| 125 | √ | √ | √ | K0, Pc | 2 | ||
| 137 | √ | √ | — | 0 | |||
Sites detected under selection in M8 with posterior probabilities > 80% in the BEB analyses.
Codons with P values < 0.2.
Codons with P values < 0.2.
Codons with Bayes factors > 50.
Radical changes in amino acid properties under category 6-8 were detected in TreeSAAP. Physicochemical amino acid properties available in TreeSAAP are as following: αc: Power to be C-term., α-helix; αn: Power to be in the N-terminal of an α-helix; Br: Buriedness; Ca: Helical contact energy; El: Long-range non-bonded energy; Esm: Short and medium range non-bonded energy; Et: Total non-bonding Energy; F: Mean r.m.s. fluctuation displacement; h:Hydropathy; Hnc: Normal consensus hydrophobicity; Hp: Surrounding hydrophobicity; Ht: Thermodynamic transfer hydrophobicity; Ko: Compressibility; µ: Refractive index; Mv: Molecular volume; Mw: Molecular weight; Ns: Average number of surrounding residues; Pα: α- helical tendencies; Pβ: β-structure tendencies; Pc: Coil tendencies; P: Turn tendencies; p: Polarity; pHi: Isoelectric point; pK’: Equilibrium Constant of ionization for COOH; Pr: Polar requirement; Ra: Solvent accessible reduction ratio; RF: Chromatographic index; V0: Partial specific volume.