Table 5. 3-D structural analysis of superimposed regions of catalytic domain among all the orthologs.

Species	NRSEa	NSSEb	RMSD	Q-Score
Maize	444	26	1.66	0.56
Sorghum	443	32	2.89	0.38
Wheat	443	32	1.50	0.59
Barley	443	34	1.36	0.62
Brachypodium	443	32	1.35	0.62
Rice	456	30	1.45	0.58
Soybean	456	30	1.15	0.63
Arabidopsis	445	31	1.38	0.60

^aN_RSE(number of aligned residue)-328

^bN_SSE (Number of aligned secondary structure)_-16; Overall RMSD-2.53; Over all Q-Score-0.31