Table 1. The detailed information of fifty-one drought-induced proteins identified from two Lolium multiflorum lines.

Accession.	Protein name	115/117	119/121	GO Biological process
Tolerant (up) / Susceptible (up)
Egi|92429455	isocitrate lyase	2.4	5.2	$\mathrm{tricarboxylic}\mathrm{acid}\mathrm{cycle}/\mathrm{glyoxylate}\mathrm{cycle}$
Cgi|39654150	β-D-Glucan Glucohydrolase	1.1	2.2	$\mathrm{carbohydrate}\mathrm{metabolic}\mathrm{process}$
Pgi|262217337	cathepsin B	5.0	7.2	$\mathrm{proteolysis}$/regulation of catalytic activity
Cgi|162462658	α-amylase precursor	1.5	2.5	$\mathrm{starch}\mathrm{catabolic}\mathrm{process}$/$\mathrm{sucrose}\mathrm{catabolic}\mathrm{process}$
Cgi|269316344	α-glucosidase	1.0	1.4	$\mathrm{carbohydrate}\mathrm{metabolic}\mathrm{process}$
Cgi|326503406	predicted protein	1.5	4.9	$\mathrm{hexose}\mathrm{metabolic}\mathrm{process}$
Cgi|1718236	(1,4)-β-xylan endohydrolase	3.7	3.7	$\mathrm{xylan}\mathrm{catabolic}\mathrm{process}$
Tgi|149392357	Predicted protein	1.0	1.5	$\mathrm{glycolysis}/\mathrm{gluconeogenesis}/$response to salt stress/glucosinolate biosynthetic process
Pgi|326533328	predicted protein	1.0	1.0	protein refolding/chloroplast organization/embryo development
Pgi|262360187	cysteine proteinase	7.0	4.6	$\mathrm{proteolysis}$
gi|393450	β-amylase	2.1	5.2	$\mathrm{polysaccharide}\mathrm{catabolic}\mathrm{process}$
Cgi|326506982	β-galactosidase	2.0	1.7	$\mathrm{carbohydrate}\mathrm{metabolic}\mathrm{process}$
Fgi|414881677	LRR family protein	4.1	2.8	$\mathrm{phosphorylation}$/ kinase activity
Cgi|326489563	α-L-arabinofuranosidase 2	2.3	6.5	$\mathrm{xylan}\mathrm{catabolic}\mathrm{process}$/L-arabinose metabolic process
gi|326497267	Xylanase inhibitor protein 1	1.5	7.1	$\mathrm{carbohydrate}\mathrm{metabolic}\mathrm{process}$
gi|413948511	Phytepsin	2.2	1.9	$\mathrm{proteolysis}$/lipid metabolic process/ response to salt stress
Cgi|40363751	putative β-xylosidase	3.0	3.0	$\mathrm{carbohydrate}\mathrm{metabolic}\mathrm{process}$
Egi|357126982	cytochrome b5-like	1.0	1.2	electron transport chain
gi|56130862	β-amylase	1.7	4.3	$\mathrm{starch}\mathrm{catabolic}\mathrm{process}$
gi|270311550	α-amylase isoform	3.2	7.3	$\mathrm{sucrose}\mathrm{catabolic}\mathrm{process}$/ $\mathrm{starch}\mathrm{catabolic}\mathrm{process}$/ response to abscisic acid stimulus/
gi|222618904	Aspartic proteinase	9.9	13.7	$\mathrm{proteolysis}$/ response to stimulus
Agi|326490063	Serine carboxypeptidase	1.9	2.2	$\mathrm{proteolysis}$
gi|215398468	globulin 3C	2.7	7.7	nutrient reservoir activity/binding
gi|115349894	fasciclin-like protein	1.6	2.0	auxin polar transport/ regulation of cell size/root morphogenesis/plant-type cell wall organization
Agi|326533014	Phospho-2-dehydro-3- deoxyheptonate aldolase 1	1.2	1.2	shikimate biosynthetic process/chorismate biosynthetic process/aromatic amino acid family biosynthetic process
gi|149391177	l-ascorbate peroxidase precursor	1.0	1.0	$\mathrm{photosynthesis}$ /$\mathrm{starch}\mathrm{biosynthetic}\mathrm{process}$ /glucosinolate metabolic proces/ /response to oxidative stress
Tolerant (down) / Susceptible (down)
Cgi|213536819	tonoplast intrinsic protein	1.0	0.9	$\mathrm{urea}\mathrm{transmembrane}\mathrm{transport}$/ water transport
gi|357121703	uncharacterized protein LOC100836930	0.6	0.7	electron carrier activity/cytochrome-c oxidase activity
Tgi|12651627	40S ribosomal protein S8	0.8	0.7	$\mathrm{translation}$
Pgi|86439735	heat shock protein 90	0.9	0.8	unfolded protein binding/ATP binding/protein folding/response to stress
gi|357134285	putative mitochondrial 2-oxoglutarate	0.9	0.7	$\mathrm{transmembrane}\mathrm{transport}$
gi|357111020	Histone H1	0.8	0.3	DNA binding/nucleosome assembly
gi|326500094	Oxygen-evolving enhancer protein 3	0.6	0.9	photosynthesis/cellular macromolecule metabolic process/ cellular component biogenesis/primary metabolic process
gi|357138855	uncharacterized protein LOC100828601	0.6	0.9	$\mathrm{translation}$
Tgi|315113285	80s ribosomal protein L36	1.0	0.7	$\mathrm{translation}$
Tgi|326495694	60S ribosomal protein L	0.3	0.8	$\mathrm{translation}$
Tgi|414873598	40S ribosomal protein S26	0.7	1.0	$\mathrm{translation}$
Pgi|326506180	Peroxiredoxin Q	0.5	0.6	oxidation-reduction process
Ggi|375152034	hsc70-interacting protein	0.7	0.7	response to cadmium ion
Tgi|357122371	ribosome-recycling factor	0.6	1.0	pentose-phosphate shunt/ plastid translation/aromatic amino acid family biosynthetic process/dolichol biosynthetic process
Tgi|357134073	proliferation-associated protein	0.7	0.7	proteolysis/cellular process
Egi|283896798	phosphoenolpyruvate carboxylase	0.9	0.8	tricarboxylic acid cycle/oxaloacetate metabolic process/carbon fixation/ photosynthesis
Tolerant (down) / Susceptible (up)
Cgi|161897650	Probable aquaporin	1.3	0.8	$\mathrm{Urea}\mathrm{transmembrane}\mathrm{transport}$/ Water transport
Tolerant (up) / Susceptible (down)
Egi|326502872	Glycerate dehydrogenase	1.1	0.8	$\mathrm{Oxidation-reduction}\mathrm{process}$
Pgi|115444771	peroxiredoxin 2	0.9	1.2	$\mathrm{Oxidation-reduction}\mathrm{process}$
Pgi|375152308	peroxiredoxin 5	0.8	1.3	$\mathrm{Oxidation-reduction}\mathrm{process}$
Pgi|326504940	predicted protein	1.0	1.2	Cysteine biosynthetic process
Cgi|357145851	glucose-1-phosphate	0.9	1.8	$\mathrm{Starch}\mathrm{biosynthetic}\mathrm{process}/\mathrm{Glycogen}\mathrm{biosynthetic}\mathrm{process}$
Pgi|375152246	dehydroascorbate reductase	0.9	1.3	Response to cyclopentenone
gi|82780752	lipid transfer protein	0.7	1.8	Lipid transport

The 115/117 and 119/121 were the fold change of well-watered and drought-treated tolerant and susceptible plants, respectively. The COG category: c Carbohydrate transport and metabolism; E Energy production conversion; A Amino acid transport and metabolism; P Posttranslational modification, protein turnover, chaperones; T Translation, ribosomal structure and biogenesis; G General function prediction only.