Table 1.

List of Differentially abundant Proteins (DAPs) showing highest abundance in WT and cpm2 under drought stress.

S. No	Category	Protein	Amount*		Function
			cpm2	WT
1	ROS SCAVENGING
		Glutathione S-transferase (OsGSTF2)			Antioxidant
		Glutathione S-transferase (OsGSTU12)			Antioxidant
		Ascorbate peroxidase (OsAPX7),			Antioxidant
		DJ-1 family protein (DJ-1/Pfp)			Methyl-glyoxal detox & antioxidant
		Serine hydroxymethyltransferase (SHMT)			Serine-glycine-glutathione antioxidant
		3-isopropylmalate dehydratase small subunit			Leucine biosynthesis and antioxidant
		Non-symbiotic hemoglobin 2 (nsHb2)			Oxygen sensor
2	CELL WALL
		glycosyl hydrolase family 17 (Gns6)			Modify cell wall polysaccharides
		UDP-glucose-6-dehydrogenase (UDGH)			Nucleotide sugars for cell wall
		O-methyltransferase (OMT)			Lignin biosynthesis
		Polygalacturonase (PG)			Pectin degradation
3	CYTOSKELETON
		β-Tubulin 1			Microtubules
		Actin nucleation protein			Microfilaments
4	PHENYLPROPANOIDS
		Phenylalanine-ammonia-lyase (OsPAL1)			Antioxidative & lignin biosynthesis
		4-coumarate-CoA ligase (Os4CL3)			“
		Caffein-CoA-methyltransferase (OsCCoAOMT)			”
		Cinnamyl alcohol dehydrogenase (OsCAD4)			“
		Caffein-o-methyltransferase (OsCOMT1)			”
5	ENERGY
		Triose phosphate isomerase (TPI)			Glycolysis
		Pyruvate decarboxylase (PDC)			Ethanolic fermentation
		Glyceraldehyde 3-phosphate dehydrogenase (GAPDH)			Glycolysis
6	PROTEIN CATABOLISM
		Peptidase T1 family			Protein peptidase
		Peptidase T1 family			Protein peptidase
7	MISCELLANEOUS
		Aquaporin (OsPIP1-2)			Water channel
		Ras related protein (OsRAS1)			G Protein signaling cascade
		Glutamine synthase (OsGS1)			Nitrogen remobilization

^*Abundance of protein is shown by contrasting shades. White color in column refers to absence of protein. See Figure 8 for details