Table 2. Detailed information of duplicated MtGRAS genes.

Groups	Gene symbol	Homolog	Protein identity	Types of duplication	Kac	Ksd	Ka/Ks
PAT1	MtGRAS2	MtGRAS30	76.21%	SDa	0.149	0.819	0.181
LISCL	MtGRAS14	MtGRAS16	84.12%	TDb	0.081	0.092	0.882
LISCL	MtGRAS15	MtGRAS16	76.21%	TD	0.177	0.292	0.607
LISCL	MtGRAS13	MtGRAS16	85.85%	TD	0.070	0.099	0.708
LISCL	MtGRAS19	MtGRAS18	71.40%	TD	0.106	0.261	0.406
LISCL	MtGRAS19	MtGRAS20	91.62%	TD	0.040	0.085	0.467
LISCL	MtGRAS32	MtGRAS35	97.77%	TD	0.010	0.047	0.218
LISCL	MtGRAS32	MtGRAS33	78.15%	TD	0.121	0.404	0.300
SHR	MtGRAS27	MtGRAS40	69.18%	SD	0.206	1.115	0.185
SHR	MtGRAS41	MtGRAS47	74.01%	SD	0.169	1.048	0.161
HAM	MtGRAS49	MtGRAS61	60.54%	SD	0.315	1.407	0.224
HAM	MtGRAS29	MtGRAS50	66.67%	SD	0.248	1.543	0.161
SCL3	MtGRAS24	MtGRAS23	78.38%	TD	0.122	0.333	0.367
SCL3	MtGRAS24	MtGRAS25	68.12%	TD	0.221	0.364	0.607
SCL3	MtGRAS38	MtGRAS46	77.66%	SD	0.134	0.968	0.139
SCR	MtGRAS9	MtGRAS8	83.89%	TD	0.082	0.267	0.307
SCR	MtGRAS9	MtGRAS10	82.24%	TD	0.093	0.284	0.326

^a Segmental duplication.

^b tandem duplication.

^cNon-synonymous substitution rate.

^dSynonymous substitution rate.