| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0006096 | glycolysis | The chemical reactions and pathways resulting in the breakdown of a monosaccharide (generally glucose) into pyruvate, with the concomitant production of a small amount of ATP. Glycolysis begins with phosphorylation of a monosaccharide (generally glucose) on the sixth carbon by a hexokinase, and ends with the production of pyruvate. Pyruvate may be converted to ethanol, lactate, or other small molecules, or fed into the TCA cycle. | 786 |
| GO:0006094 | gluconeogenesis | The formation of glucose from noncarbohydrate precursors, such as pyruvate, amino acids and glycerol. | 674 |
| GO:0006098 | pentose-phosphate shunt | The process in which glucose is oxidized, coupled to NADPH synthesis. Glucose 6-P is oxidized with the formation of carbon dioxide (CO2), ribulose 5-phosphate and reduced NADP; ribulose 5-P then enters a series of reactions interconverting sugar phosphates. The pentose phosphate pathway is a major source of reducing equivalents for biosynthesis reactions and is also important for the conversion of hexoses to pentoses. | 394 |
| GO:0019252 | starch biosynthetic process | The chemical reactions and pathways resulting in the formation of starch, the most important reserve polysaccharide in plants. | 386 |
| GO:0010413 | glucuronoxylan metabolic process | The chemical reactions and pathways involving xylan, a polymer containing a beta-(1->4)-linked D-xylose backbone decorated with glucuronic acid side units. | 350 |
| GO:0045492 | xylan biosynthetic process | The chemical reactions and pathways resulting in the formation of xylan, a polymer containing a beta-1,4-linked D-xylose backbone. | 350 |
| GO:0000023 | maltose metabolic process | The chemical reactions and pathways involving the disaccharide maltose (4-O-alpha-D-glucopyranosyl-D-glucopyranose), an intermediate in the catabolism of glycogen and starch. | 325 |
| GO:0006007 | glucose catabolic process | The chemical reactions and pathways resulting in the breakdown of glucose, the aldohexose gluco-hexose. | 325 |
| GO:0006487 | protein N-linked glycosylation | A protein glycosylation process in which a carbohydrate or carbohydrate derivative unit is added to a protein via the N4 atom of peptidyl-asparagine, the omega-N of arginine, or the N1' atom peptidyl-tryptophan. | 261 |
| GO:0006486 | protein glycosylation | A protein modification process that results in the addition of a carbohydrate or carbohydrate derivative unit to a protein amino acid, e.g. the addition of glycan chains to proteins. | 230 |
| GO:0030244 | cellulose biosynthetic process | The chemical reactions and pathways resulting in the formation of cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation. | 219 |
| GO:0000271 | polysaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically. | 219 |
| GO:0005977 | glycogen metabolic process | The chemical reactions and pathways involving glycogen, a polydisperse, highly branched glucan composed of chains of D-glucose residues in alpha-(1->4) glycosidic linkage, joined together by alpha-(1->6) glycosidic linkages. | 136 |
| GO:0042732 | D-xylose metabolic process | The chemical reactions and pathways involving D-xylose, a naturally occurring plant polysaccharide. | 119 |
| GO:0006006 | glucose metabolic process | The chemical reactions and pathways involving glucose, the aldohexose gluco-hexose. D-glucose is dextrorotatory and is sometimes known as dextrose; it is an important source of energy for living organisms and is found free as well as combined in homo- and hetero-oligosaccharides and polysaccharides. | 112 |
| GO:0018279 | protein N-linked glycosylation via asparagine | The glycosylation of protein via the N4 atom of peptidyl-asparagine forming N4-glycosyl-L-asparagine; the most common form is N-acetylglucosaminyl asparagine; N-acetylgalactosaminyl asparagine and N4 glucosyl asparagine also occur. This modification typically occurs in extracellular peptides with an N-X-(ST) motif. Partial modification has been observed to occur with cysteine, rather than serine or threonine, in the third position; secondary structure features are important, and proline in the second or fourth positions inhibits modification. | 107 |
| GO:0052546 | cell wall pectin metabolic process | The chemical reactions and pathways involving pectin, a polymer containing a backbone of alpha-1,4-linked D-galacturonic acid residues, as part of the organization and biogenesis of the cell wall. | 100 |
| GO:0005982 | starch metabolic process | The chemical reactions and pathways involving starch, the most important reserve polysaccharide in plants. It is a glucan consisting of two components, amylose and amylopectin, which are both glucose homopolymers. Starch is synthesized as a temporary storage form of carbon and can be catabolized to produce sucrose. | 91 |
| GO:0030243 | cellulose metabolic process | The chemical reactions and pathways involving cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation. | 89 |
| GO:0052541 | plant-type cell wall cellulose metabolic process | The chemical reactions and pathways involving cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation, as part of the organization and biogenesis of the cell wall. | 84 |
| GO:0045490 | pectin catabolic process | The chemical reactions and pathways resulting in the breakdown of pectin, a polymer containing a backbone of alpha-1,4-linked D-galacturonic acid residues. | 70 |
| GO:0009051 | pentose-phosphate shunt, oxidative branch | The branch of the pentose-phosphate shunt which involves the oxidation of glucose 6-P and produces ribulose 5-P, reduced NADP+ and carbon dioxide (CO2). | 64 |
| GO:0006097 | glyoxylate cycle | A modification of the TCA cycle occurring in some plants and microorganisms, in which isocitrate is cleaved to glyoxylate and succinate. Glyoxylate can then react with acetyl-CoA to form malate. | 59 |
| GO:0010411 | xyloglucan metabolic process | The chemical reactions and pathways involving xyloglucan, the cross-linking glycan composed of (1->4)-beta-D-glucan backbone substituted at regular intervals with beta-D-xylosyl-(1->6) residues, which is present in the primary cell wall of most higher plants. | 57 |
| GO:0005992 | trehalose biosynthetic process | The chemical reactions and pathways resulting in the formation of trehalose, a disaccharide isomeric with sucrose and obtained from certain lichens and fungi. | 53 |
| GO:0046855 | inositol phosphate dephosphorylation | The process of removing a phosphate group from any mono- or polyphosphorylated inositol. | 53 |
| GO:0019301 | rhamnose catabolic process | The chemical reactions and pathways resulting in the breakdown of rhamnose, the hexose 6-deoxy-L-mannose. | 51 |
| GO:0005983 | starch catabolic process | The chemical reactions and pathways resulting in the breakdown of starch, the most important reserve polysaccharide in plants. | 50 |
| GO:0044262 | cellular carbohydrate metabolic process | The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y, as carried out by individual cells. | 48 |
| GO:0005986 | sucrose biosynthetic process | The chemical reactions and pathways resulting in the formation of sucrose, the disaccharide fructofuranosyl-glucopyranoside. | 48 |
| GO:0006013 | mannose metabolic process | The chemical reactions and pathways involving mannose, the aldohexose manno-hexose, the C-2 epimer of glucose. The D-(+)-form is widely distributed in mannans and hemicelluloses and is of major importance in the core oligosaccharide of N-linked oligosaccharides of glycoproteins. | 47 |
| GO:0016051 | carbohydrate biosynthetic process | The chemical reactions and pathways resulting in the formation of carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. | 46 |
| GO:0030245 | cellulose catabolic process | The chemical reactions and pathways resulting in the breakdown of cellulose, a linear beta1-4 glucan of molecular mass 50-400 kDa with the pyranose units in the -4C1 conformation. | 46 |
| GO:0005980 | glycogen catabolic process | The chemical reactions and pathways resulting in the breakdown of glycogen, a polydisperse, highly branched glucan composed of chains of D-glucose residues. | 46 |
| GO:0019570 | L-arabinose catabolic process to 2-oxoglutarate | The chemical reactions and pathways resulting in the breakdown of L-arabinose into other compounds, including 2-oxoglutarate. | 45 |
| GO:0006471 | protein ADP-ribosylation | The transfer, from NAD, of ADP-ribose to protein amino acids. | 44 |
| GO:0000272 | polysaccharide catabolic process | The chemical reactions and pathways resulting in the breakdown of a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically. | 43 |
| GO:0019853 | L-ascorbic acid biosynthetic process | The chemical reactions and pathways resulting in the formation of L-ascorbic acid; L-ascorbic acid ionizes to give L-ascorbate, (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate, which is required as a cofactor in the oxidation of prolyl residues to hydroxyprolyl, and other reactions. | 42 |
| GO:0006012 | galactose metabolic process | The chemical reactions and pathways involving galactose, the aldohexose galacto-hexose. D-galactose is widely distributed in combined form in plants, animals and microorganisms as a constituent of oligo- and polysaccharides; it also occurs in galactolipids and as its glucoside in lactose and melibiose. | 42 |
| GO:0005990 | lactose catabolic process | The chemical reactions and pathways resulting in the breakdown of lactose, the disaccharide galactopyranosyl-glucose. | 40 |
| GO:0005985 | sucrose metabolic process | The chemical reactions and pathways involving sucrose, the disaccharide fructofuranosyl-glucopyranoside. | 39 |
| GO:0045488 | pectin metabolic process | The chemical reactions and pathways involving pectin, a group of galacturonic acid-containing, water-soluble colloidal carbohydrates of high molecular weight and of net negative charge. | 37 |
| GO:0005987 | sucrose catabolic process | The chemical reactions and pathways resulting in the breakdown of sucrose, the disaccharide fructofuranosyl-glucopyranoside. | 35 |
| GO:0045493 | xylan catabolic process | The chemical reactions and pathways resulting in the breakdown of xylan, a polymer containing a beta-1,4-linked D-xylose backbone. | 31 |
| GO:0010289 | homogalacturonan biosynthetic process | The chemical reactions and pathways resulting in the formation of the pectidic homogalacturonan, characterized by a backbone of (1->4)-linked alpha-D-GalpA residues that can be methyl-esterified at C-6 and carry acetyl groups on O-2 and O-3. | 31 |
| GO:0034221 | fungal-type cell wall chitin biosynthetic process | The chemical reactions and pathways resulting in the formation of cell wall chitin, a linear polysaccharide consisting of P-1,4-linked N-acetyl-D-glucosamine residues, found in the walls of fungal cells. | 29 |
| GO:0009969 | xyloglucan biosynthetic process | The chemical reactions and pathways resulting in the formation of xyloglucan, the cross-linking glycan composed of (1->4)-beta-D glucan backbone substituted at regular intervals with beta-D-xylosyl-(1->6) residues, which is present in the primary cell wall of most higher plants. | 27 |
| GO:0034484 | raffinose catabolic process | The chemical reactions and pathways resulting in the breakdown of raffinose, the trisaccharide beta-D-fructofuranosyl alpha-D-galactopyranosyl-(1->6)-alpha-D-glucopyranoside. | 26 |
| GO:0005978 | glycogen biosynthetic process | The chemical reactions and pathways resulting in the formation of glycogen, a polydisperse, highly branched glucan composed of chains of D-glucose residues. | 26 |
| GO:0005996 | monosaccharide metabolic process | The chemical reactions and pathways involving monosaccharides, the simplest carbohydrates. They are polyhydric alcohols containing either an aldehyde or a keto group and between three to ten or more carbon atoms. They form the constitutional repeating units of oligo- and polysaccharides. | 24 |
| GO:0010417 | glucuronoxylan biosynthetic process | The chemical reactions and pathways resulting in the formation of glucuronoxylan, a polymer containing a beta-1,4-linked D-xylose backbone substituted with glucuronic acid residues. | 23 |
| GO:0042843 | D-xylose catabolic process | The chemical reactions and pathways resulting in the breakdown of D-xylose, a naturally occurring plant polysaccharide. | 23 |
| GO:0010400 | rhamnogalacturonan I side chain metabolic process | The chemical reactions and pathways involving the side chains of the pectin, rhamnogalacturonan I. | 23 |
| GO:0010325 | raffinose family oligosaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of raffinose family oligosaccharides (RFOs, such as raffinose, stachyose, verbascose and other molecules with a higher degree of galactosyl polymerization). | 23 |
| GO:0019568 | arabinose catabolic process | The chemical reactions and pathways resulting in the breakdown of arabinose, arabino-pentose. | 22 |
| GO:0019388 | galactose catabolic process | The chemical reactions and pathways resulting in the breakdown of galactose, the aldohexose galacto-hexose. | 21 |
| GO:0019253 | reductive pentose-phosphate cycle | The fixation of carbon dioxide (CO2) as glucose in the chloroplasts of C3 plants; uses ATP and NADPH formed in the light reactions of photosynthesis; carbon dioxide reacts with ribulose 1,5-bisphosphate (catalyzed by the function of ribulose-bisphosphate carboxylase) to yield two molecules of 3-phosphoglycerate; these are then phosphorylated by ATP to 1,3-bisphosphateglyceraldehyde which, in turn, is then reduced by NADPH to glyceraldehyde 3-phosphate. The glyceraldehyde 3-phosphate is converted to fructose 5-phosphate and ribulose 5-phosphate by aldolase and other enzymes; the ribulose 5-phosphate is phosphorylated by ATP to ribulose 1,5-bisphosphate. | 21 |
| GO:0031222 | arabinan catabolic process | The chemical reactions and pathways resulting in the breakdown of arabinan, a branched homopolymer of L-arabinose. | 20 |
| GO:0009052 | pentose-phosphate shunt, non-oxidative branch | The branch of the pentose-phosphate shunt which does not involve oxidation reactions. It comprises a series of sugar phosphate interconversions, starting with ribulose 5-P and producing fructose 6-P and glyceraldehyde 3-P. | 18 |
| GO:0010306 | rhamnogalacturonan II biosynthetic process | The chemical reactions and pathways resulting in the formation of rhamnogalacturonan II, a low molecular mass (5 - 10KDa) pectic polysaccharide, conserved in the primary walls of dicotyledenous and monocotyledenous plants and gymnosperms. | 18 |
| GO:0005997 | xylulose metabolic process | The chemical reactions and pathways involving xylulose, the ketopentose threo-2-pentulose. | 18 |
| GO:0006000 | fructose metabolic process | The chemical reactions and pathways involving fructose, the ketohexose arabino-2-hexulose. Fructose exists in a open chain form or as a ring compound. D-fructose is the sweetest of the sugars and is found free in a large number of fruits and honey. | 18 |
| GO:0045226 | extracellular polysaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of polysaccharides used in extracellular structures. | 18 |
| GO:0019563 | glycerol catabolic process | The chemical reactions and pathways resulting in the breakdown of glycerol, 1,2,3-propanetriol, a sweet, hygroscopic, viscous liquid, widely distributed in nature as a constituent of many lipids. | 17 |
| GO:0044275 | cellular carbohydrate catabolic process | The chemical reactions and pathways resulting in the breakdown of carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y, as carried out by individual cells. | 16 |
| GO:0005998 | xylulose catabolic process | The chemical reactions and pathways resulting in the breakdown of xylulose, the ketopentose threo-2-pentulose. | 16 |
| GO:0033499 | galactose catabolic process via UDP-galactose | The chemical reactions and pathways resulting in the breakdown of galactose, via the intermediate UDP-galactose. | 16 |
| GO:0044723 | single-organism carbohydrate metabolic process | The chemical reactions and pathways involving carbohydrates, occurring within a single organism. | 15 |
| GO:0042355 | L-fucose catabolic process | The chemical reactions and pathways resulting in the breakdown of L-fucose (6-deoxy-Lgalactose). | 15 |
| GO:0006071 | glycerol metabolic process | The chemical reactions and pathways involving glycerol, 1,2,3-propanetriol, a sweet, hygroscopic, viscous liquid, widely distributed in nature as a constituent of many lipids. | 15 |
| GO:0006075 | (1->3)-beta-D-glucan biosynthetic process | The chemical reactions and pathways resulting in the formation of (1->3)-beta-D-glucans, compounds composed of glucose residues linked by (1->3)-beta-D-glucosidic bonds. | 15 |
| GO:0042840 | D-glucuronate catabolic process | The chemical reactions and pathways resulting in the breakdown of D-glucuronate, the D-enantiomer of glucuronate. | 15 |
| GO:0043458 | ethanol biosynthetic process involved in glucose fermentation to ethanol | The chemical reactions and pathways resulting in the formation of ethanol, CH3-CH2-OH, as part of the process of glucose catabolism to ethanol, CO2 and ATP. | 14 |
| GO:0009311 | oligosaccharide metabolic process | The chemical reactions and pathways involving oligosaccharides, molecules with between two and (about) 20 monosaccharide residues connected by glycosidic linkages. | 14 |
| GO:0009250 | glucan biosynthetic process | The chemical reactions and pathways resulting in the formation of glucans, polysaccharides consisting only of glucose residues. | 14 |
| GO:0019852 | L-ascorbic acid metabolic process | The chemical reactions and pathways involving L-ascorbic acid, (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2,5-dihydrofuran-3-olate; L-ascorbic acid is vitamin C and has co-factor and anti-oxidant activities in many species. | 14 |
| GO:0010246 | rhamnogalacturonan I biosynthetic process | The chemical reactions and pathways resulting in the formation of rhamnogalacturonan I component of pectin, a rhamnose-rich pectic polysaccharide. | 13 |
| GO:0042838 | D-glucarate catabolic process | The chemical reactions and pathways resulting in the breakdown of D-glucarate, the D-enantiomer of glucarate. | 13 |
| GO:0019564 | aerobic glycerol catabolic process | The chemical reactions and pathways resulting in the breakdown of glycerol, 1,2,3-propanetriol, in the presence of oxygen. | 13 |
| GO:0046369 | galactose biosynthetic process | The chemical reactions and pathways resulting in the formation of galactose, the aldohexose galacto-hexose. | 13 |
| GO:0042125 | protein galactosylation | The addition of a galactose molecule to a protein amino acid. | 12 |
| GO:0019310 | inositol catabolic process | The chemical reactions and pathways resulting in the breakdown of inositol, 1,2,3,4,5,6-cyclohexanehexol, a growth factor for animals and microorganisms. | 12 |
| GO:0019593 | mannitol biosynthetic process | The chemical reactions and pathways resulting in the formation of mannitol, the alditol derived from D-mannose by reduction of the aldehyde group. | 12 |
| GO:0052746 | inositol phosphorylation | The process of introducing one or more phosphate groups into inositol. Inositol is the cyclic alcohol 1,2,3,4,5,6-cyclohexanehexol, which is widely distributed in nature and acts as a growth factor in animals and microorganisms. | 12 |
| GO:0052325 | cell wall pectin biosynthetic process | The chemical reactions and pathways resulting in the formation of pectin, a polymer containing a backbone of alpha-1,4-linked D-galacturonic acid residues, as part of the organization and biogenesis of the cell wall. | 11 |
| GO:0033347 | tetrose metabolic process | The chemical reactions and pathways involving a tetrose, any monosaccharide with a chain of four carbon atoms in the molecule. | 11 |
| GO:0019567 | arabinose biosynthetic process | The chemical reactions and pathways resulting in the formation of arabinose, arabino-pentose. | 11 |
| GO:0045489 | pectin biosynthetic process | The chemical reactions and pathways resulting in the formation of pectin, a polymer containing a backbone of alpha-1,4-linked D-galacturonic acid residues. | 11 |
| GO:0006061 | sorbitol biosynthetic process | The chemical reactions and pathways resulting in the formation of sorbitol (D-glucitol), one of the ten stereoisomeric hexitols. It can be derived from glucose by reduction of the aldehyde group. | 11 |
| GO:0006114 | glycerol biosynthetic process | The chemical reactions and pathways resulting in the formation of glycerol, 1,2,3-propanetriol, a sweet, hygroscopic, viscous liquid, widely distributed in nature as a constituent of many lipids. | 11 |
| GO:0006073 | cellular glucan metabolic process | The chemical reactions and pathways involving glucans, polysaccharides consisting only of glucose residues. | 10 |
| GO:0006014 | D-ribose metabolic process | The chemical reactions and pathways involving D-ribose (ribo-pentose). As beta-D-ribofuranose, D-ribose forms the glycose group of all ribonucleosides, ribonucleotides and ribonucleic acids, and also of ribose phosphates, various glycosides, some coenzymes and some forms of vitamin B12. | 10 |
| GO:0046835 | carbohydrate phosphorylation | The process of introducing a phosphate group into a carbohydrate, any organic compound based on the general formula Cx(H2O)y. | 10 |
| GO:0006491 | N-glycan processing | The conversion of N-linked glycan (N = nitrogen) structures from the initially transferred oligosaccharide to a mature form, by the actions of glycosidases and glycosyltransferases. The early processing steps are conserved and play roles in glycoprotein folding and trafficking. | 10 |
| GO:0010394 | homogalacturonan metabolic process | The chemical reactions and pathways involving homogalacturonan, a pectin characterized by a backbone of alpha-(1->4)-linked D-galacturonic acid residues that can be methyl-esterified at C-6 and carry acetyl groups on O-2 and O-3. | 9 |
| GO:0046370 | fructose biosynthetic process | The chemical reactions and pathways resulting in the formation of fructose, the ketohexose arabino-2-hexulose. | 9 |
| GO:0009251 | glucan catabolic process | The chemical reactions and pathways resulting in the breakdown of glucans, polysaccharides consisting only of glucose residues. | 9 |
| GO:0046396 | D-galacturonate metabolic process | The chemical reactions and pathways involving D-galacturonate, the D-enantiomer of galacturonate, the anion of galacturonic acid. D-galacturonic acid is a component of plant gums and bacterial cell walls. | 9 |
| GO:0006062 | sorbitol catabolic process | The chemical reactions and pathways resulting in the breakdown of sorbitol (D-glucitol), one of the ten stereoisomeric hexitols. It can be derived from glucose by reduction of the aldehyde group. | 9 |
| GO:0051160 | L-xylitol catabolic process | The chemical reactions and pathways resulting in the breakdown of L-xylitol, a five-carbon sugar alcohol derived from xylose by reduction of the carbonyl group. | 9 |
| GO:0046365 | monosaccharide catabolic process | The chemical reactions and pathways resulting in the breakdown of monosaccharides, polyhydric alcohols containing either an aldehyde or a keto group and between three to ten or more carbon atoms. | 9 |
| GO:0033692 | cellular polysaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of polysaccharides, polymers of many (typically more than 10) monosaccharide residues linked glycosidically, occurring at the level of an individual cell. | 9 |
| GO:0019322 | pentose biosynthetic process | The chemical reactions and pathways resulting in the formation of a pentose, any monosaccharide with a chain of five carbon atoms in the molecule. | 9 |
| GO:0046355 | mannan catabolic process | The chemical reactions and pathways resulting in the breakdown of mannan, the main hemicellulose of soft (coniferous) wood, made up of D-mannose, D-glucose and D-galactose. | 9 |
| GO:0019294 | keto-3-deoxy-D-manno-octulosonic acid biosynthetic process | The chemical reactions and pathways resulting in the formation of keto-3-deoxy-D-manno-octulosonic acid, an acidic sugar present in lipopolysaccharides of the outer membranes of some Gram-negative bacteria. | 9 |
| GO:0006005 | L-fucose biosynthetic process | The chemical reactions and pathways resulting in the formation of L-fucose (6-deoxy-L-galactose). | 8 |
| GO:0019307 | mannose biosynthetic process | The chemical reactions and pathways resulting in the formation of mannose, the aldohexose manno-hexose, the C-2 epimer of glucose. | 8 |
| GO:0006001 | fructose catabolic process | The chemical reactions and pathways resulting in the breakdown of fructose, the ketohexose arabino-2-hexulose. | 8 |
| GO:0030259 | lipid glycosylation | Covalent attachment of a glycosyl residue to a lipid molecule. | 7 |
| GO:0006020 | inositol metabolic process | The chemical reactions and pathways involving inositol, 1,2,3,4,5,6-cyclohexanehexol, a growth factor for animals and microorganisms. | 7 |
| GO:0009760 | C4 photosynthesis | The combination of atmospheric CO2 with a 3-carbon molecule phosphoenol pyruvate (PEP) in the mesophyll cells to make a 4-carbon acid which is immediately converted to malic acid. The malic acid is then passed across to the bundle sheath cells where it is broken down again to pyruvic acid and CO2. The acid is passed back to the mesophyll cells to be used again, while the CO2 is fed into the reductive pentose-phosphate cycle (Calvin cycle) and converted into sugar and starch. | 7 |
| GO:0010493 | Lewis a epitope biosynthetic process | The chemical reactions and pathways resulting in the formation of a Lewis a epitope, a trisaccharide (Fuc-alpha-(1->4)[Gal-beta-(1->3)]GlcNAc) characteristic of plant protein N-linked oligosaccharides. | 7 |
| GO:0051682 | galactomannan catabolic process | The chemical reactions and pathways resulting in the breakdown of galactomannan, a polysaccharide composed of D-galactosyl and D-mannosyl. The mannosyl units form the backbone structure (a linear main chain) with the D-galactosyl as single side units. | 7 |
| GO:0018258 | protein O-linked glycosylation via hydroxyproline | The glycosylation of proteins via 04 atom of hydroxyproline to form O4-glycosyl-L-hydroxyproline; the most common form is arabinofuranosyl-4-proline. | 7 |
| GO:0044264 | cellular polysaccharide metabolic process | The chemical reactions and pathways involving polysaccharides, polymers of more than 10 monosaccharide residues joined by glycosidic linkages, as carried out by individual cells. | 6 |
| GO:0019566 | arabinose metabolic process | The chemical reactions and pathways involving arabinose, arabino-pentose. L-Arabinose occurs both free, for example in the heartwood of many conifers, and in the combined state, as a constituent of plant hemicelluloses, bacterial polysaccharides etc. D-arabinose is a constituent of arabinonucleosides. | 6 |
| GO:0006021 | inositol biosynthetic process | The chemical reactions and pathways resulting in the formation of inositol, 1,2,3,4,5,6-cyclohexanehexol, a growth factor for animals and microorganisms. | 6 |
| GO:0019521 | D-gluconate metabolic process | The chemical reactions and pathways involving D-gluconate, the anion of D-gluconic acid, the aldonic acid derived from glucose. | 6 |
| GO:0036065 | fucosylation | The covalent attachment of a fucosyl group to an acceptor molecule. | 6 |
| GO:0000024 | maltose biosynthetic process | The chemical reactions and pathways resulting in the formation of the disaccharide maltose (4-O-alpha-D-glucopyranosyl-D-glucopyranose). | 5 |
| GO:0019520 | aldonic acid metabolic process | The chemical reactions and pathways involving aldonic acid, a monocarboxylic acid with a chain of three or more carbon atoms, derived from an aldose by oxidation of the aldehydic group. | 5 |
| GO:0000025 | maltose catabolic process | The chemical reactions and pathways resulting in the breakdown of the disaccharide maltose (4-O-alpha-D-glucopyranosyl-D-glucopyranose). | 5 |
| GO:0010410 | hemicellulose metabolic process | The chemical reactions and pathways involving hemicelluloses, plant cell wall polysaccharides that have a backbone of 1,4-linked beta-D-pyranosyl residues in which O4 is in the equatorial orientation. Many different hemicelluloses usually occur intermixed with each molecular type representing different degrees of polymerization and contain many different sugar monomers, which can include glucose, xylose, mannose, galactose, and arabinose. Hemicelluloses also contain most of the D-pentose sugars and occasionally small amounts of L-sugars as well. Xylose is always the sugar monomer present in the largest amount, but mannuronic acid and galacturonic acid also tend to be present. | 5 |
| GO:0051157 | arabitol catabolic process | The chemical reactions and pathways resulting in the breakdown of arabitol, the pentitol derived from arabinose or lyxose by reduction of the aldehyde group. | 5 |
| GO:0009312 | oligosaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of oligosaccharides, molecules with between two and (about) 20 monosaccharide residues connected by glycosidic linkages. | 4 |
| GO:0019655 | glucose catabolic process to ethanol | The anaerobic chemical reactions and pathways resulting in the breakdown of glucose; it is converted into ethanol and carbon dioxide (CO2), producing two molecules of ATP for each molecule of glucose. | 4 |
| GO:0009103 | lipopolysaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of lipopolysaccharides, any of a group of related, structurally complex components of the outer membrane of Gram-negative bacteria. | 4 |
| GO:0006493 | protein O-linked glycosylation | A protein glycosylation process in which a carbohydrate or carbohydrate derivative unit is added to a protein via the hydroxyl group of peptidyl-serine, peptidyl-threonine, peptidyl-hydroxylysine, or peptidyl-hydroxyproline, or via the phenol group of peptidyl-tyrosine, forming an O-glycan. | 4 |
| GO:0005993 | trehalose catabolic process | The chemical reactions and pathways resulting in the breakdown of trehalose, a disaccharide isomeric with sucrose and obtained from certain lichens and fungi. | 4 |
| GO:0015014 | heparan sulfate proteoglycan biosynthetic process, polysaccharide chain biosynthetic process | The chemical reactions and pathways resulting in the formation of polysaccharide chain component of heparan sulfate proteoglycan. | 4 |
| GO:0035269 | protein O-linked mannosylation | The transfer of mannose from dolichyl activated mannose to the hydroxyl group of a seryl or threonyl residue of a protein acceptor molecule, to form an O-linked protein-sugar linkage. | 4 |
| GO:0019321 | pentose metabolic process | The chemical reactions and pathways involving a pentose, any monosaccharide with a chain of five carbon atoms in the molecule. | 3 |
| GO:0045491 | xylan metabolic process | The chemical reactions and pathways involving xylan, a polymer containing a beta-1,4-linked D-xylose backbone. | 3 |
| GO:0010398 | xylogalacturonan metabolic process | The chemical reactions and pathways involving xylogalacturonan, a pectin characterized by a backbone of alpha-(1->4)-linked D-galacturonic acid residues substituted on C-3 with beta-D-xylopyranose residues. | 3 |
| GO:0006490 | oligosaccharide-lipid intermediate biosynthetic process | The chemical reactions and pathways resulting in the formation of an oligosaccharide-lipid intermediate, such as a molecule of dolichol-P-man or dolicol-P-Glc used in N-linked glycosylation. | 3 |
| GO:0019402 | galactitol metabolic process | The chemical reactions and pathways involving galactitol, the hexitol derived by the reduction of the aldehyde group of either D- or L-galactose. | 3 |
| GO:0070414 | trehalose metabolism in response to heat stress | The chemical reactions and pathways involving trehalose that occur as a result of a heat stimulus, a temperature stimulus above the optimal temperature for that organism. | 3 |
| GO:0051070 | galactomannan biosynthetic process | The chemical reactions and pathways resulting in the formation of galactomannan, a polysaccharide composed of D-galactosyl and D-mannosyl. The mannosyl units form the backbone structure (a linear main chain) with the D-galactosyl as single side units. | 3 |
| GO:0042353 | fucose biosynthetic process | The chemical reactions and pathways resulting in the formation of fucose (6-deoxygalactose). | 3 |
| GO:0010383 | cell wall polysaccharide metabolic process | The chemical reactions and pathways involving cell wall polysaccharides. | 3 |
| GO:0006078 | (1->6)-beta-D-glucan biosynthetic process | The chemical reactions and pathways resulting in the formation of (1->6)-beta-D-glucans. | 3 |
| GO:0009313 | oligosaccharide catabolic process | The chemical reactions and pathways resulting in the breakdown of oligosaccharides, molecules with between two and (about) 20 monosaccharide residues connected by glycosidic linkages. | 2 |
| GO:0005976 | polysaccharide metabolic process | The chemical reactions and pathways involving a polysaccharide, a polymer of many (typically more than 10) monosaccharide residues linked glycosidically. | 2 |
| GO:0070592 | cell wall polysaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of a polysaccharide destined to form part of a cell wall. | 2 |
| GO:0019404 | galactitol catabolic process | The chemical reactions and pathways resulting in the breakdown of galactitol, the hexitol derived by the reduction of the aldehyde group of either D- or L-galactose. | 2 |
| GO:0019318 | hexose metabolic process | The chemical reactions and pathways involving a hexose, any monosaccharide with a chain of six carbon atoms in the molecule. | 2 |
| GO:0019528 | D-arabitol catabolic process to xylulose 5-phosphate | The chemical reactions and pathways resulting in the breakdown of D-arabitol to form xylulose 5-phosphate. D-arabitol is converted into D-xylulose, which is then phosphorylated to form D-xylulose-5-phosphate. | 2 |
| GO:0016052 | carbohydrate catabolic process | The chemical reactions and pathways resulting in the breakdown of carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. | 2 |
| GO:0009245 | lipid A biosynthetic process | The chemical reactions and pathways resulting in the formation of lipid A, the glycolipid group of bacterial lipopolysaccharides, consisting of six fatty acyl chains linked to two glucosamine residues. | 2 |
| GO:0046181 | ketogluconate catabolic process | The chemical reactions and pathways resulting in the breakdown of ketogluconate, the anion of ketogluconic acid, an aldonic acid derived from glucose containing a ketonic carbonyl group. | 2 |
| GO:0051278 | fungal-type cell wall polysaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of the polysaccharides which make up the fungal-type cell wall. | 2 |
| GO:0046364 | monosaccharide biosynthetic process | The chemical reactions and pathways resulting in the formation of monosaccharides, polyhydric alcohols containing either an aldehyde or a keto group and between three to ten or more carbon atoms. | 2 |
| GO:0019571 | D-arabinose catabolic process | The chemical reactions and pathways resulting in the breakdown of D-arabinose, the D-enantiomer of arabino-pentose. | 2 |
| GO:0051691 | cellular oligosaccharide metabolic process | The chemical reactions and pathways involving oligosaccharides, molecules with between two and (about) 20 monosaccharide residues connected by glycosidic linkages, as carried out by individual cells. | 2 |
| GO:0009244 | lipopolysaccharide core region biosynthetic process | The chemical reactions and pathways resulting in the formation of the core region of bacterial lipopolysaccharides, which contains ten saccharide residues. | 1 |
| GO:0009242 | colanic acid biosynthetic process | The chemical reactions and pathways resulting in the formation of colanic acid, a capsular bacterial polysaccharide. | 1 |
| GO:0019577 | aldaric acid metabolic process | The chemical reactions and pathways involving aldaric acid, any dicarboxylic acid formed by oxidation of by the terminal groups of an aldose to carboxyl group. | 1 |
| GO:0034411 | cell wall (1->3)-beta-D-glucan biosynthetic process | The chemical reactions and pathways resulting in the formation of (1->3)-beta-D-glucans, compounds composed of glucose residues linked by (1->3)-beta-D-glucosidic bonds, found in the walls of cells. | 1 |
| GO:0019400 | alditol metabolic process | The chemical reactions and pathways involving alditols, any polyhydric alcohol derived from the acyclic form of a monosaccharide by reduction of its aldehyde or keto group to an alcoholic group. | 1 |
| GO:0048363 | mucilage pectin metabolic process | The chemical reactions and pathways involving the pectin component of mucilage. | 1 |
| GO:0019685 | photosynthesis, dark reaction | A complex cycle of enzyme-mediated reactions which catalyzes the reduction of carbon dioxide to sugar. As well as carbon dioxide the cycle requires reducing power in the form of reduced nicotinamide adenine dinucleotide phosphate (NADP) and chemical energy in the form of adenosine triphosphate (ATP). The reduced NADP (NADPH) and ATP are produced by the 'light' reactions. | 1 |
| GO:0070085 | glycosylation | The covalent attachment of a glycosyl residue to a substrate molecule. | 1 |
| GO:0006038 | cell wall chitin biosynthetic process | The chemical reactions and pathways resulting in the formation of cell wall chitin, a linear polysaccharide consisting of beta-(1->4)-linked N-acetyl-D-glucosamine residues, found in the walls of cells. | 1 |
| GO:0034195 | L-galactonate catabolic process | The chemical reactions and pathways resulting in the breakdown of L-galactonate, the anion of L-galactonic acid. | 1 |
| GO:0019323 | pentose catabolic process | The chemical reactions and pathways resulting in the breakdown of a pentose, any monosaccharide with a chain of five carbon atoms in the molecule. | 1 |
| GO:0044724 | single-organism carbohydrate catabolic process | The chemical reactions and pathways resulting in the breakdown of carbohydrates, occurring within a single organism. | 1 |