# The Comparative Toxicogenomics Database (CTD) - http://ctdbase.org/
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# Report created: Fri Jul 06 11:10:38 EDT 2012
#
# Fields:
# TypeName	Code	Description	ParentCode
#
abundance	abu	The abundance of a chemical (if chemical synthesis is not known).	
activity	act	An elemental function of a molecule.	
binding	b	A molecular interaction.	
cotreatment	w	Involving the use of two or more chemicals simultaneously.	
expression	exp	The expression of a gene product.	
folding	fol	The bending and positioning of a molecule to achieve conformational integrity.	
localization	loc	Part of the cell where a molecule resides.	
metabolic processing	met	The biochemical alteration of a molecule's structure (does not include changes in expression, stability, folding, localization, splicing, or transport).	
acetylation	ace	The addition of an acetyl group.	met
acylation	acy	The addition of an acyl group.	met
alkylation	alk	The addition of an alkyl group.	met
amination	ami	The addition of an amine group.	met
carbamoylation	car	The addition of a carbamoyl group.	met
carboxylation	cox	The addition of a carboxyl group.	met
chemical synthesis	csy	A biochemical event resulting in a new chemical product.	met
degradation	deg	Catabolism or breakdown.	met
cleavage	clv	The processing or splitting of a molecule, not necessarily leading to the destruction of the molecule.	deg
hydrolysis	hyd	The splitting of a molecule via the specific use of water.	clv
ethylation	eth	The addition of an ethyl group.	met
glutathionylation	glt	The addition of a glutathione group.	met
glycation	gyc	The non-enzymatic addition of a sugar.	met
glycosylation	gly	The addition of a sugar group.	met
glucuronidation	glc	The addition of a sugar group to form a glucuronide, typically part of an inactivating or detoxifying reaction.	gly
N-linked glycosylation	ngl	The addition of a sugar group to an amide nitrogen.	gly
O-linked glycosylation	ogl	The addition of a sugar group to a hydroxyl group.	gly
hydroxylation	hdx	The addition of a hydroxy group.	met
lipidation	lip	The addition of a lipid group.	met
farnesylation	far	The addition of a farnesyl group.	lip
geranoylation	ger	The addition of a geranoyl group.	lip
myristoylation	myr	The addition of a myristoyl group.	lip
palmitoylation	pal	The addition of a palmitoyl group.	lip
prenylation	pre	The addition of a prenyl group.	lip
methylation	myl	The addition of a methyl group.	met
nitrosation	nit	The addition of a nitroso or nitrosyl group.	met
nucleotidylation	nuc	The addition of a nucleotidyl group.	met
oxidation	oxd	The loss of electrons.	met
phosphorylation	pho	The addition of a phosphate group.	met
reduction	red	The gain of electrons.	met
ribosylation	rib	The addition of a ribosyl group.	met
ADP-ribosylation	arb	The addition of a ADP-ribosyl group.	rib
sulfation	sul	The addition of a sulfate group.	met
sumoylation	sum	The addition of a SUMO group.	met
ubiquitination	ubq	The addition of an ubiquitin group.	met
mutagenesis	mut	The genetic alteration of a gene product.	
reaction	rxn	Any general biochemical or molecular event.	
response to substance	rec	Resistance or sensitivity to a substance.	
splicing	spl	The removal of introns to generate mRNA.	
stability	sta	Overall molecular integrity.	
transport	trt	The movement of a molecule into or out of a cell.	
secretion	sec	The movement of a molecule out of a cell (by less specific means than export).	trt
export	ext	The movement of a molecule out of a cell (by more specific means than secretion).	sec
uptake	upt	The movement of a molecule into a cell (by less specific means than import).	trt
import	imt	The movement of a molecule into a cell (by more specific means than uptake).	upt