01	metabolism
01.01	amino acid metabolism
01.01.01	amino acid biosynthesis
01.01.01.01	assimilation of ammonia, biosynthesis of the glutamate family
01.01.01.03	urea cycle, biosynthesis of polyamines and creatine
01.01.01.05	assimilatory reduction of sulphur and biosynthesis of the serine family
01.01.01.07	biosynthesis of the aspartate family
01.01.01.09	biosynthesis of lysine
01.01.01.09.01	diaminopimelin acid pathway
01.01.01.09.03	aminoadipic acid pathway
01.01.01.11	biosynthesis of the aromatic family
01.01.01.13	biosynthesis of histidine
01.01.01.15	biosynthesis of pyruvate family and D-alanine
01.01.04	regulation of amino acid metabolism
01.01.07	amino acid transport
01.01.10	amino acid degradation (catabolism)
01.01.10.01	degradation of amino acids of the glutamate group
01.01.10.05	degradation of amino acids of the aspartate group
01.01.10.07	degradation of amino acids of the hydroxyaminoacid group
01.01.10.09	degradation of amino acids of the alanine-D-aminoacid group
01.01.99	other amino acid metabolism activities
01.02	nitrogen and sulphur metabolism
01.02.01	nitrogen and sulphur utilization
01.02.04	regulation of nitrogen and sulphur utilization
01.02.07	nitrogen and sulphur transport
01.02.99	other nitrogen and sulphur metabolism activities
01.03	purine, pyrimidine and nucleotide metabolism
01.03.01	purine base and ribonucleotide metabolism
01.03.04	pyrimidine base and ribonucleotide metabolism
01.03.07	deoxyribonucleotide metabolism
01.03.10	metabolism of cyclic and unusual nucleotides
01.03.13	regulation of nucleotide metabolism
01.03.16	polynucleotide degradation
01.03.16.01	RNA degradation
01.03.16.03	DNA degradation
01.03.19	nucleotide transport
01.03.99	other nucleotide metabolism activities
01.04	phosphate metabolism
01.04.01	phosphate utilization
01.04.04	regulation of phosphate utilization
01.04.07	phosphate transport
01.04.99	other phosphate metabolism activities
01.05	C-compound and carbohydrate metabolism
01.05.01	C-compound and carbohydrate utilization
01.05.01.01	C-compound, carbohydrate catabolism
01.05.01.01.01	sugar, glucoside, polyol and carboxylate catabolism
01.05.01.01.03	C-2 compound, organic acid and fatty acid catabolism
01.05.01.01.05	C-1 compound catabolism
01.05.01.01.05.01	serine-isocitrate lyase pathway
01.05.01.01.05.03	ribulose-monophosphate cycle
01.05.01.01.07	aliphatic hydrocarbon catabolism
01.05.01.01.09	aerobic aromate catabolism
01.05.01.01.09.01	aerobic aromate catabolism, ortho-cleavage
01.05.01.01.09.03	aerobic aromate catabolism, meta-cleavage
01.05.01.01.11	anaerobic aromate catabolism
01.05.01.03	C-compound, carbohydrate anabolism
01.05.01.03.01	oligosaccharide / polysaccharide biosynthesis
01.05.01.03.03	aminosaccharide biosynthesis
01.05.01.05	autotrophic CO2 fixation
01.05.01.05.01	Calvin cycle
01.05.01.05.03	reductive TCA cycle
01.05.01.05.05	hydroxypropionate pathway
01.05.01.05.07	acetyl-CoA pathway
01.05.04	regulation of C-compound and carbohydrate utilization
01.05.07	C-compound, carbohydrate transport
01.05.99	other carbohydrate metabolism activities
01.06	lipid, fatty acid and isoprenoid metabolism
01.06.01	lipid, fatty acid and isoprenoid biosynthesis
01.06.01.01	phospholipid biosynthesis
01.06.01.03	glycolipid biosynthesis
01.06.01.05	fatty acid biosynthesis
01.06.01.07	isoprenoid biosynthesis
01.06.01.07.01	hemiterpenes biosynthesis
01.06.01.07.03	monoterpenes biosynthesis
01.06.01.07.05	sesquiterpenes biosynthesis
01.06.01.07.07	diterpenes biosynthesis
01.06.01.07.09	triterpenes biosynthesis
01.06.01.07.11	tetracyclic and pentacyclic triterpenes (steroids and hopanoids) biosynthesis
01.06.01.07.13	tetraterpenes (carotinoids) biosynthesis
01.06.01.07.15	polyterpenes biosynthesis
01.06.04	breakdown of lipids, fatty acids and isoprenoids
01.06.07	lipid, fatty acid and isoprenoid utilization
01.06.10	regulation of lipid, fatty acid and isoprenoid biosynthesis
01.06.13	lipid and fatty acid transport
01.06.16	lipid and fatty acid binding
01.06.99	other lipid, fatty acid and isoprenoid metabolism activities
01.07	metabolism of vitamins, cofactors, and prosthetic groups
01.07.01	biosynthesis of vitamins, cofactors, and prosthetic groups
01.07.04	utilization of vitamins, cofactors, and prosthetic groups
01.07.07	regulation of vitamins, cofactors, and prosthetic groups
01.07.10	transport of vitamins, cofactors, and prosthetic groups
01.07.99	other vitamin, cofactor, and prosthetic group activities
01.20	secondary metabolism
01.20.01	metabolism of primary metabolic sugars derivatives
01.20.01.01	biosynthesis of secondary monosaccharides
01.20.01.03	biosynthesis of sugar carboxylic acids
01.20.01.05	biosynthesis of sugar alcohols
01.20.01.07	biosynthesis of glycosides
01.20.01.09	biosynthesis of aminoglycoside antibiotics
01.20.01.99	other biosynthesis of primary metabolic sugars derivatives
01.20.03	biosynthesis of derivatives of intermediates of glucose degradation
01.20.05	biosynthesis of acetic acid derivatives
01.20.05.01	biosynthesis of acetoacetate, acetone, hydroxybutyric acid
01.20.05.03	biosynthesis of alkanes, alkenes, alkanals, alkanols
01.20.05.05	biosynthesis of fatty acid esters
01.20.05.07	biosynthesis of acetylenes
01.20.05.09	biosynthesis of eicosanoids
01.20.05.11	biosynthesis of polyketides
01.20.05.99	other biosynthesis of acetic acid derivatives
01.20.07	biosynthesis of propionic acid derivatives
01.20.09	biosynthesis of derivatives of intermediates of the TCA and glyoxylate pathway
01.20.13	biosynthesis of derivatives of homoisopentenyl pyrophosphate
01.20.15	biosynthesis of derivatives of dehydroquinic acid, shikimic acid and chorismic acid
01.20.15.01	biosynthesis of naphthoquinone, anthraquinone
01.20.15.03	biosynthesis of ubiquinone
01.20.15.99	other biosynthesis of derivatives of dehydroquinic acid, shikimic acid and chorismic acid
01.20.17	biosynthesis of secondary products derived from primary amino acids
01.20.17.01	biosynthesis of nonprotein amino acids
01.20.17.03	biosynthesis of amines
01.20.17.05	biosynthesis of cyanogenic glycosides
01.20.17.07	biosynthesis of glycosinolates and derivatives
01.20.17.09	biosynthesis of alkaloids
01.20.19	biosynthesis of secondary products derived from glycine, L-serine and L-alanine
01.20.19.01	biosynthesis of porphyrins
01.20.19.03	biosynthesis of tetrapyrrols
01.20.19.05	biosynthesis of cobalamins
01.20.19.99	other biosynthesis of secondary products derived from glycine, L-serine and L-alanine
01.20.21	biosynthesis of sulphuric acid and L-cysteine derivatives
01.20.23	biosynthesis of L-methionine derived secondary products
01.20.25	biosynthesis of secondary products originating from L-valin, L-leucine and L-isoleucine
01.20.27	biosynthesis of secondary products built from L-aspartic acid and L-threonine
01.20.29	biosynthesis of secondary products derived from L-glutamic acid, L-proline and L-ornithine
01.20.31	biosynthesis of secondary products derived from L-lysine, L-arginine and L-histidine
01.20.33	biosynthesis of secondary products built from L-tryptophan
01.20.35	biosynthesis of secondary products derived from L-phenylalanine and L-tyrosine (phenylpropanoids)
01.20.35.01	biosynthesis of melanins
01.20.35.03	biosynthesis of lignins
01.20.35.05	biosynthesis of stilbenes, flavonoids
01.20.35.07	biosynthesis of coumarins
01.20.35.09	biosynthesis of cinnamic acids
01.20.35.99	other biosynthesis of phenylpropanoids
01.20.37	biosynthesis of peptide derived compounds
01.20.37.01	biosynthesis of thioredoxin, glutaredoxin, glutathion
01.20.37.03	biosynthesis of peptide antibiotics
01.20.37.05	biosynthesis of beta-lactams
01.20.37.99	other biosynthesis of peptide derived compounds
01.20.99	other secondary metabolism activities
02	energy
02.01	glycolysis and gluconeogenesis
02.01.01	glycolysis methylglyoxal bypass
02.05	Entner-Doudoroff pathway
02.07	pentose-phosphate pathway
02.07.01	pentose-phosphate pathway oxidative branch
02.07.03	pentose-phosphate pathway non oxidative branch
02.09	anaplerotic reactions
02.10	tricarboxylic acid pathway
02.11	electron transport and membrane-associated energy conservation
02.11.01	electron transport proteins
02.11.03	ATP synthesis proteins
02.11.05	accessory proteins of electron transport and membrane-associated energy conversation
02.11.99	other electron transport and membrane-associated energy conservation proteins
02.13	respiration
02.13.01	anaerobic respiration
02.13.03	aerobic respiration
02.16	fermentation
02.16.01	alcohol fermentation, pyruvate dehydrogenase bypass
02.16.01.01	bacterial type ethanol fermentation
02.16.01.99	other ethanol fermentation
02.16.03	lactate fermentation
02.16.03.01	homofermentative pathway
02.16.03.03	heterofermentative pathway and fermentation of other saccharides
02.16.03.05	bifidium pathway
02.16.03.07	malo-lactate fermentation
02.16.05	butyrate and butanol-acetone fermentation
02.16.07	ethanol-acetate fermentation
02.16.09	mixed acid and butanediol fermentation
02.16.11	propionate fermentation, methylcitrate cycle
02.16.11.01	acrylate pathway
02.16.11.03	succinate-propionate pathway
02.16.13	acetate fermentation
02.16.15	methane fermentation
02.16.17	fermentation of nitrogenous compounds
02.16.17.01	single amino acid fermentations
02.16.17.03	stickland reactions
02.16.17.05	fermentation of heterocyclic compounds
02.16.99	other fermentation proteins
02.17	chemolithotrophie (sulfide, nitrogenous compounds)
02.19	metabolism of energy reserves (glycogen, trehalose)
02.22	glyoxylate cycle
02.25	oxidation of fatty acids
02.30	photosynthesis
02.30.01	electron transport proteins of photosynthesis
02.30.03	accessory proteins of photosynthetic electron transport
02.99	other energy generation activities
03	cell growth, cell division and DNA synthesis
03.01	cell growth
03.04	budding, cell polarity and filament formation
03.07	pheromone response, mating-type determination, sex-specific proteins
03.10	sporulation and germination
03.13	meiosis
03.16	DNA synthesis and replication
03.19	recombination and DNA repair
03.22	cell cycle control and mitosis
03.22.01	cell cycle check point proteins
03.25	cytokinesis
03.26	growth regulators
03.99	other cell growth, cell division and DNA synthesis activities
04	transcription
04.01	rRNA transcription
04.01.01	rRNA synthesis
04.01.04	rRNA processing
04.01.99	other rRNA-transcription activities
04.03	tRNA transcription
04.03.01	tRNA synthesis
04.03.03	tRNA processing
04.03.06	tRNA modification
04.03.99	other tRNA-transcription activities
04.05	mRNA transcription
04.05.01	mRNA synthesis
04.05.01.01	general transcription activities
04.05.01.04	transcriptional control
04.05.01.07	chromatin modification
04.05.03	mRNA processing (splicing)
04.05.05	mRNA processing (5'-, 3'-end processing, mRNA degradation)
04.05.99	other mRNA-transcription activities
04.07	RNA transport
04.99	other transcription activities
05	protein synthesis
05.01	ribosomal proteins
05.04	translation (initiation, elongation and termination)
05.07	translational control
05.10	tRNA-synthetases
05.99	other protein synthesis activities
06	protein destination
06.01	protein folding and stabilization
06.04	protein targeting, sorting and translocation
06.07	protein modification (glycosylation, acylation, myristylation, palmitylation and farnesylation)
06.10	assembly of protein complexes
06.13	proteolysis
06.13.01	cytoplasmic degradation
06.13.04	lysosomal and vacuolar degradation
06.13.07	mitochondrial degradation
06.20	storage proteins
06.99	other protein-destination activities
07	transport facilitation
07.01	ion channels
07.04	ion transporters
07.04.01	metal ion transporters (Cu, Fe, etc)
07.04.04	other cation transporters (Na, K, Ca, NH4, etc)
07.04.07	anion transporters (Cl, SO4, PO4, etc)
07.07	sugar, carbohydrate and metabolite transporters
07.07.01	phosphotransferase systems
07.10	amino acid transporters
07.11	peptide transporters
07.13	lipid transporters
07.16	purine and pyrimidine transporters
07.19	allantoin and allantoate transporters
07.22	transport ATPases
07.25	ABC transporters
07.28	drug transporters
07.30	protein secretion systems
07.30.03	type I protein secretion system
07.30.05	type II protein secretion system
07.30.07	type III protein secretion system
07.30.09	type IV protein secretion system
07.30.11	other protein secretion systems
07.99	other transport facilitators
08	intracellular transport
08.01	nuclear transport
08.02	chloroplast transport
08.04	mitochondrial transport
08.07	vesicular transport (Golgi network, etc)
08.10	peroxisomal transport
08.13	vacuolar transport
08.16	extracellular transport (secretion)
08.19	cellular import
08.22	cytoskeleton-dependent transport
08.99	other intracellular-transport activities
09	cellular biogenesis (proteins are not localized to the corresponding organelle)
09.01	biogenesis of cell wall (cell envelope)
09.02	biogenesis of plasma membrane
09.03	biogenesis of cytoplasm
09.04	biogenesis of cytoskeleton
09.07	biogenesis of endoplasmic reticulum
09.08	biogenesis of Golgi
09.09	biogenesis of intracellular transport vesicles
09.10	nuclear biogenesis
09.13	biogenesis of chromosome structure
09.16	mitochondrial biogenesis
09.19	peroxisomal biogenesis
09.22	endosomal biogenesis
09.25	vacuolar and lysosomal biogenesis
09.26	chloroplast biogenesis
09.27	biogenesis of outer membrane
09.28	biogenesis of periplasmic space
09.29	biogenesis of inner membrane
09.30	biogenesis of flagellae
09.33	biogenesis of pili
09.99	other cellular biogenesis activities
10	cellular communication/signal transduction
10.00	intercellular communication
10.00.01	pheromones
10.00.03	hormones
10.00.05	cytokines
10.01	intracellular communication
10.01.01	unspecific signal transduction
10.01.01.01	signal transduction, receptor proteins
10.01.01.03	signal transduction, second messenger formation and breakdown
10.01.01.05	signal transduction, mediator proteins
10.01.01.07	signal transduction, G-proteins
10.01.01.09	signal transduction, regulation of G-protein activity
10.01.01.11	signal transduction, key kinases
10.01.01.13	signal transduction, key phosphatases
10.01.01.15	two-component signal transduction
10.01.01.99	other unspecified signal transduction activities
10.01.05	morphogenesis
10.01.05.01	morphogenesis, receptor proteins
10.01.05.03	morphogenesis, second messenger formation and breakdown
10.01.05.07	morphogenesis, G-proteins
10.01.05.09	morphogenesis, regulation of G-protein activity
10.01.05.11	morphogenesis, key kinases
10.01.05.13	morphogenesis, key phosphatases
10.01.05.99	other morphogenetic activities
10.01.10	osmosensing
10.01.10.01	osmosensing, receptor proteins
10.01.10.05	osmosensing, mediator proteins
10.01.10.11	osmosensing, key kinases
10.01.10.13	osmosensing, key phosphatases
10.01.10.99	other osmosensing activities
10.01.15	nutritional response pathway
10.01.15.01	nutritional response pathway, receptor proteins
10.01.15.03	nutritional response pathway, second messenger formation and breakdown
10.01.15.05	nutritional response pathway, mediator proteins
10.01.15.07	nutritional response pathway, G-proteins
10.01.15.09	nutritional response pathway, regulation of G-protein activity
10.01.15.11	nutritional response pathway, key kinases
10.01.15.13	nutritional response pathway, key phosphatases
10.01.15.99	other nutritional reponse activities
10.01.20	pheromone response generation
10.01.20.01	pheromone response generation, receptor proteins
10.01.20.07	pheromone response generation, G-proteins
10.01.20.09	pheromone response generation, regulation of G-protein activity
10.01.20.11	pheromone response generation, key kinases
10.01.20.13	pheromone response generation, key phosphatases
10.01.20.99	other pheromone response activities
10.01.99	other signal-transduction activities
11	cell rescue, defense, cell death and ageing
11.01	stress response
11.04	DNA repair (direct repair, base excision repair and nucleotide excision repair)
11.05	disease, virulence and defense
11.05.01	resistance proteins
11.05.03	defense related proteins
11.05.05	virulence, disease factors
11.05.05.01	toxins
11.05.05.03	bacteriocins
11.05.05.05	invasins
11.05.05.07	adhesins
11.05.05.09	capsule
11.05.05.11	DNA restriction and modification
11.05.05.13	major antigenic determinants
11.05.05.99	other virulence, disease factors
11.05.99	other disease and defense related proteins
11.07	detoxification
11.07.01	detoxification involving cytochrome p450
11.07.02	defence against oxidative stress
11.07.03	detoxification by modification
11.07.05	detoxification by export
11.07.99	other detoxification
11.10	cell death
11.11	ageing
11.13	degradation of exogenous polynucleotides
11.15	degradation of exogenous proteins
11.17	degradation of exogenous polysaccharides
11.19	degradation of exogenous ester compounds
11.99	lignin degradation
13	ionic homeostasis
13.01	homeostasis of metal ions
13.04	homeostasis of other ions
30	cellular organization (proteins are localized to the corresponding organelle)
30.01	organization of cell wall
30.02	organization of plasma membrane
30.03	organization of cytoplasm
30.04	organization of cytoskeleton
30.05	organization of centrosome
30.07	organization of endoplasmic reticulum
30.08	organization of Golgi
30.09	organization of intracellular transport vesicles
30.10	nuclear organization
30.13	organization of chromosome structure
30.16	mitochondrial organization
30.19	peroxisomal organization
30.22	endosomal organization
30.25	vacuolar and lysosomal organization
30.26	chloroplast organization
30.27	outer membrane organization
30.28	periplasmic space organization
30.29	inner membrane organization
30.30	flagellar organization
30.33	pilus organization
30.90	extracellular/secretion proteins
30.99	other cellular organization
35	motility
35.01	chemotaxis
35.02	phototaxis
50	development
50.01	differentiation of prokaryotes
50.02	development of eukaryotes
50.02.01	fungal development
50.02.02	development of plants
50.02.03	development of mammals
90	transposon, insertion sequence and plasmid proteins
90.01	LTR retroelements
90.02	non-LTR retroelements
90.99	other transposons and plasmid proteins
96	ribosomal RNA
97	cloning vector or bacterial contaminant
98	plant host gene
99	unclassified protein