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Low molecular weight, non-peptidic, biogenic compounds produced by life processes (normally endogenous and of animal origin, including hormones and neurotransmitters) and their close analogues.

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Ligand name							ID	Synonyms
A								Back to top
acetaldehyde							6277	acetic aldehyde, ethanal, ethyl aldehyde, NSC 7594
acetic acid							1058	acetate, ethanoic acid
acetoacetyl CoA							3039	3-acetoacetyl-CoA, acetoacetyl coenzyme A, acetoacetyl-CoA, acetoacetyl-coenzyme a
acetylcholine							294	ACh, E1001, O-acetylcholine
acetyl CoA							3038	acetyl coenzyme A, acetyl-CoA, acetylCoA, S-acetyl coenzyme A
[14C]acetylCoA							4541	[14C]-acetylCoA
acetyl-L-carnitine							4520
adenine							4788
adenosine							2844	Adenocard®, Adenoscan®
adenosine-3'-5'-bisphosphate							1718	adenosine 3',5'-bisphosphate, adenosine 3',5'-diphosphate
adenosine 5'-monophosphate							2455	AMP, 5'-AMP, adenosine monophosphate
ADP							1712	adenosine diphosphate
ADP ribose							2444
ADPβS							1755	adenosine 5'-O-(2-thiodiphosphate), ADPbetaS
(-)-adrenaline							479	adrenalin, Auvi-Q®, Epipen®, l-adrenaline, L-epinephrine, levoepinephrine
(+)-adrenaline							4450	(S)-(+)-adrenaline, (S)-adrenaline
(±)-adrenaline							509	adrenaline, epinephrine
agmatine							4127
β-alanine							2365
[14C]alanine							4542	[14C]-alanine
[3H]alanine							4543	[3H]-alanine
aldosterone							2872
[3H]aldosterone							3452	[3H]-aldosterone
alitretinoin							2645	9-cis-retinoic acid, Panretin®, Toctino®
all-trans-retinal							2350	all-trans-retinal, retinaldehyde
4-aminobutanal							6606
aminoguanidine							5135	amino guanidine, pimagedine
aminohippuric acid							4810	PAH, Aminohippurate Sodium®, p-aminohippurate, p-aminohippuric acid, PAH
5-aminolevulinic acid							4784	5-aminolevulinate, D-aminolevulinic acid, Levulan®
(S)-3-amino-2-methylpropanoate							6610
aminooxyacetic acid							5136	AOA, AOAA, carboxymethoxylamine
AMP-PNP							2456
anandamide							2364	AEA, arachidonoyl ethanolamide, N-arachidonoylethanolamine
androstenedione							2860	androst-4-ene-3,17-dione
androstenol							2761	androst-16-en-3-ol
Ap4A							1732	5',5'''-diadenosine tetraphosphate, adenosyl-P4, Ap4A, diadenosine tetraphosphate
A2P5P							1717	2,5-ADP, adenosine 2',5'-bisphosphate, adenosine-2'-5'-diphosphate
A3P5PS							1719	3'-phosphoadenosine-5'-phosphosulfate, adenosine-3'-phosphate-5' -phosphosulfate, phosphoadenosine phosphosulfate (PAPS)
arachidonic acid							2391	C20:4
2-arachidonoylglycerol							729	2-AG, 2-Ara-Gl, 2-arachidonyl-glycerol, 2AG
2-arachidonoylglycerolphosphoinositol							4029	2-AGPI, 2-arachidonoyl-glycerol-phosphoinositol, arachidonoyl LPI
arachidonyl-2-chloroethylamide							738	ACEA
arachidonylcyclopropylamide							739	ACPA, arachidonyl cyclopropylamide
2-arachidonyl glyceryl ether							5545	2-AG ether, 2-arachidonylglyceryl ether, HU 310, Noladin ether
arcaine							4137
arvanil							2485	N-vanillylarachidonamide
[14C]ascorbic acid							4532	[14C]-ascorbic acid
aspirin triggered lipoxin A4							3933	aspirin triggered 15-epi lipoxin A4, aspirin-triggered lipoxin A4, ATL
aspirin-triggered resolvin D1							6239	AT-Resolvin D1, AT-RvD1
ATP							1713	5'-ATP, adenosine 5' triphosphate, adenosine triphosphate
ATPγS							1714	adenosine 5'-(3-thio)triphosphate, ATPgammaS
B								Back to top
betamethasone							7061	SCH-4831
bilirubin							4577
biliverdin							5153
biotin							4787
5BrUTP							1731	5-bromo-UTP, 5-bromouridine triphosphate, bromouridine 5'-triphosphate
butyric acid							1059	butanoic acid, butyrate, C4
BzATP							1757
C								Back to top
cADPR							2445	cyclic ADP ribose
calcifediol							6921	25-hydroxyvitamin D3, calcidiol, Calderol, Ryaldee®, U-32070E
calcitriol-26,23-lactone							2786	(23S,25R)-1α,25-(OH)2D3-26,23-lactone, 1,25-dihydroxyvitamin D3-26,23-lactone, 1,25-lactone
[3H]cAMP							5096	[3H]-cAMP
carnosine							4559	β-alanyl-L-histidine, L-carnosine
CCPA							374	2-chloro-N(6)cyclopentyladenosine, 2-chloro-N6-cyclopentyladenosine (2-Cl-CPA)
chenodeoxycholic acid							608	CDCA, Chenix®, chenodeoxycholate, Chenodiol®
2-chloroadenosine							372	2Cl-Ado, CADO
5β-cholestane-3α,7α,12α-triol							2803
cholesten							2802	alpha-cholestane, cholestan, cholestane
cholesterol							2718	cholest-5-en-3β-ol
cholesterol sulphate							2738	cholesteryl sulfate
cholic acid							609	CA, cholate, Cholbam
choline							4551
11-cis-retinal							6669	11-cis-retinal, 11-cis-retinaldehyde, retinaldehyde
13-cis-retinal							6671	13-cis-retinal, 13-cis-retinaldehyde
9-cis-retinal							6673	9-cis-retinal, 9-cis-retinaldehyde
11-cis-retinol							6670	11-cis-retinol
13-cis-retinol							6672	13-cis-retinol, neovitamin A
citric acid							2478	citrate
clobetasol propionate							7062	CCI-4725, Clobex®, Dermovate®, GR 2/925, Temovate®
CMP-sialic acid							4663
coenzyme A							3044	co-enzyme-A, CoA
colfosceril palmitate							2799	DPPC, Exosurf Neonatal®
corticosterone							2869
cortisol							2868	Acticort®, Plenadren®
cortisone							5171	11-dehydro-17-hydroxycorticosterone, 17-hydroxy-11-dehydrocorticosterone
creatine							4496
CTP							1741	cytidine triphosphate
cyclic AMP							2352	cAMP, 3' 5'-adenosine monophosphate, 3',5'-cyclic AMP, cyclic adenosine monophosphate
cyclic GMP							2347	cGMP, 3',5'-cyclic GMP, 3',5'-guanosine monophosphate, cyclic guanosine monophosphate
cyclohexylamine							5507
cystathionine							5173	L-cystathionine
cytidine							4728
[3H]cytisine							3979
cytosine							8490
D								Back to top
D-alanine							4678	D-Ala
5'-dAMP							5120	2'-deoxyadenosine 5'-monophosphate, dAMP
D-arginine							4680
D-ascorbic acid							4651
[3H]D-aspartic acid							4698	[3H]-D-aspartate, [3H]-D-aspartic acid
dATP							1760	deoxyadenosine triphosphate
dATPαS							1715	dATPalphaS
D-chiro-inositol							4645	DCI
D-citrulline							4683
D-cysteine							4537	D-Cys
2',3'-ddATP							1709
decanoic acid							5532	capric acid, decoic acid
dehydroascorbic acid							4733	dehydroascorbate
dehydroepiandrosterone							2370	DHEA, androstenolone, dehydroepiandrostenedione, DHA, Intrarosa®
dehydroepiandrosterone sulphate							4528	DHEAS, CCG-204473
[3H]dehydroepiandrosterone sulphate							5577	[3H]DHEAS, [3H]dehydroepiandrosterone sulfate
11-dehydro-thromboxane B2							4484	11-dehydro-TXB2
2'-deoxyadenosine							5109
deoxycholic acid							610	DCA, ATX-101, deoxycholate
deoxycorticosterone							2871	11-deoxycorticosterone, 21-hydroxyprogesterone
11-deoxycortisol							5100	11-deoxycortisone, cortexolone, cortodoxone
deoxycortisone							3450	21-deoxycortisone
2'-deoxyinosine							5110
15-deoxy-LXA4							3402
15-deoxy-Δ12,14-PGD2							1904	15-deoxy-Δ12,14-prostaglandin D2, 15d-Δ12,14-PGD2
11-deoxy-PGE1							1925	11-deoxy-PGE1, 11-deoxyprostaglandin E1, doproston
15-deoxy-Δ-12,14-prostaglandin J2							2692
desmosterol							2748
desoximetasone							7067	A-41-304, HOE-304, R-2113, Topicort®
D-fructose							4654
D-fucose							4722
D-galactose							4646
D-glucosamine							4535
D-glucose							4536
D-glutamic acid							4708	D-Glu, D-glutamate
5'-dGMP							5122
D-histidine							4679
2',5'-dideoxyadenosine							5108
diethylstilbestrol							2801	stilboestrol
diflorasone diacetate							7068	Psorcon®, U-34865
13,14-dihydro-15-keto-PGF2α							1901	Dhk-pgf2alpha
13,14-dihydro-PGE1							1946	13,14-dihydro-prostaglandin E1
dihydrotestosterone							2856	DHT, 5α-dihydrotestosterone, androstanolone, stanolone
[3H]dihydrotestosterone							3455	[3H]-dihydrotestosterone
7α,25-dihydroxycholesterol							4350	7α-25-OHC
7α,27-dihydroxycholesterol							4353	7α, 27-OHC
7β, 25-dihydroxycholesterol							4355
7β, 27-dihydroxycholesterol							4354	7β,26-dihydroxycholesterol
3,4-dihydroxymandelic acid							6633	DHMA, DOMA
3,4-dihydroxyphenylacetaldehyde							6632	DOPAL
1,25-dihydroxyvitamin D3							2779	Calcijex®, calcitriol, Rocaltrol®
dimethylallyl diphosphate							3049	delta-prenyl diphosphate, di-CH3-allyl-Ppi, dimethylallyl-PP, dimethylallylpyrophosphate, prenyl diphosphate trianion
dimethylamine							5177
dimethylethylamine							5523
16,16-dimethyl-PGE2							1926	16,16-dimethylprostaglandin E2
dioleoylphosphatidic acid							5512	dioleoyl phosphatidic acid, doPA
(R)-5-diphosphomevalonate							3047	mevalonate 5-diphosphate
D-lactic acid							2934	D-lactate, R-lactic acid
D-lysine							4681
D-mannose							4650
docosahexaenoic acid							1051	DHA, all-cis-DHA, all-cis-docosa-4,7,10,13,16,19-hexaenoic acid, doconexent, Omega 3 fatty acid, Omega-3 marine triglycerides, Retriacyl® (proposed trade name)
DOG							2435	1,2-dioctanoyl-sn-glycerol
dolichol phosphate							3214	DP
dopamine							940	3-hydroxytyramine
D-ornithine							4682
doxercalciferol							2790	1α-hydroxyvitamin D2, 1αOHD2 , 1-α-hydroxyergocalciferol
D-phenylalanine							5797	D-(+)-phenylalanine
D-proline							4676	D-Pro
D-serine							4171
D-xylose							4724
dyphylline							7070	Dilor®
E								Back to top
eicosatetranoic acid							2669	ETYA
EPA							3362	C20:5n-3,6,9,12,15, eicosapentaenoic acid, icosapentaenoic acid
12-epi LTB4							6160	12(S)-Leukotriene B4
epipregnanolone sulphate							4188	epipregnanolone sulfate
24(S), 25-epoxycholesterol							2751	24,25-epoxy-cholesterol
5,6-epoxyeicosatrienoic acid							6304	5,6-EET, (±)5,6-EpETrE, (±)5,6-epoxy-8Z,11Z,14Z-eicosatrienoic acid
(S)-2,3-epoxysqualene							6551	(S)-2,3-epoxysqualene, squalene 2,3-epoxide
17β-estradiol							1013	E2, estrogen, oestrodiol, oestrogen
[3H]17β-estradiol							1012	[3H]-estradiol, [3H]-estrogen, [3H]E2, [3H]estradiol
[3H]estradiol-17β-glucuronide							4687	[3H]-estradiol-17β-glucuronide
estriol							2821	Trimesta®
estrone							2818	Aquest®, Kestrone®, oestrone
estrone-3-sulphate							4749	estrone hydrogen sulfate, estrone hydrogen sulphate, estrone-3-sulfate, Ogen®
[3H]estrone-3-sulphate							4748	[3H]-estrone hydrogen sulfate, [3H]-estrone-3-sulphate, [3H]estrone-3-sulfate
ethanol							2299
ethinylestradiol							7071	17α-ethynylestradiol, ethinyl estradiol
ethynodiol diacetate							7072	Continuin®, Femulen®, SC-11800
exemestane							7073	Aromasin®, FCE-24304
F								Back to top
farnesyl diphosphate							2910	FDP, farnesyl pyrophosphate (FPP)
farnesyl monophosphate							2911	FMP
flavin adenine dinucleotide							5184	FAD
flavin mononucleotide							5185	FMN, riboflavin 5'-monophosphate, riboflavin 5'-phosphate
flumethasone pivalate							7075	Locorten®
flunisolide							7076	AeroBid®, RS-3999
fluocinolone acetonide							7077	Capex®, Iluvien®, Synalar®
fluocinonide							7078	Fluonex®, Lidex®
fluorometholone							7079	Flarex®, FML®
fluticasone propionate							7080	Advair Diskus®, ArmonAir RespiClickTM, CCI-18781, Flovent®
folic acid							4563	folate
[3H]folic acid							4562	[3H]-folic acid
G								Back to top
GABA							1067	γ-amino butyric acid, 4-aminobutyric acid, gamma-aminobutyric acid
gallic acid							5549	pyrogallol-5-carboxylic acid
GDP-fucose							4578	GDP-L-fucose, guanosine diphosphate fucose
GDPβS							5416	Gdp(beta-S), GDP-β-S, GDP-bS, guanosine 5'-O-(2-thiodiphosphate)
geranyl diphosphate							3051	geranyl pyrophosphate, GPP, neryl pyrophosphate
geranylgeranyl diphosphate							3052	all-trans-geranylgeranyl diphosphate, all-trans-geranylgeranyl-PP, geranylgeranyl pyrophosphate, geranylgeranyl-PP, GGPP
glucose 6-phosphate							4647
glucuronic acid							4723	glucuronate
[14C]glutamine							4633	[14C]-glutamine
[3H]glutamine							4634	[3H]-glutamine
glycerol							5195
glycerol 3-phosphate							4740
glycine							727
[14C]glycine							4635	[14C]-glycine
[3H]glycine							4084
glycochenodeoxycholic acid							4545	GCDA, glycochenodeoxycholate
glycocholic acid							4544	GCA, cholylglycine, glycocholate
glycodeoxycholic acid							4714	GDCA, glycodeoxycholate
glycoursodeoxycholic acid							4715	GUDCA, glycoursodeoxycholate
5'-GMP							5123	GMP, guanosine 5'-monophosphate, guanosine monophosphate
guanidine							4783
guanidoacetic acid							5325	glycocyamine, guanidineacetic acid, guanidinoacetate
guanine							4556
guanosine							4567
guanosine 5'-diphosphate							2410	GDP, guanosine diphosphate
guanosine-5'-triphosphate							1742	GTP, guanosine triphosphate
H								Back to top
heme							4349	ferroheme, haem
heparin							4214	HepFlush®
hepoxilin A3							6305	HXA3
16-HETE							6923
18-HETE							6924
20-HETE							4103	20-hydroxyeicosatetraenoic acid
hexamethonium							3963
histamine							1204
[3H]histamine							1247
[14C]histidine							4623	[14C]-histidine
[3H]histidine							4670	[3H]-histidine
[3H]5-HT							3248	[3H]-5-HT
hyaluronan							4954	HA, hyaluronate, hyaluronic acid
γ-hydroxybutyric acid							4711	GHB, γ-hydroxybutyrate, Alcover®, WY-3478, Xyrem®
2-hydroxy capric acid							5847	2-hydroxy-decanoic acid, 2-OH-C10
3-hydroxy capric acid							5848	3-hydroxy-decanoic acid, 3-OH-C10
24(S)-hydroxycholesterol							2750	24s-OHC
25-hydroxycholesterol							2885	25-OHC
27-hydroxycholesterol							2752	26-hydroxycholesterol, 27-OHC
7α-hydroxycholesterol							4351	7-α-OHC
7β-hydroxycholesterol							4352	7-β-OHC
7-hydroxycholesterol							3432	7-OHC
12-hydroxyheptadecatrienoic acid							6159	12-HHT, 12S-HHTrE
5-hydroxyindole acetaldehyde							6634	5-hydroxyindole-3-acetaldehyde, 5-hydroxyindolylacetaldehyde
12-hydroxylauric acid							6922
2-hydroxylauric acid							5849	2-hydroxy lauric acid, 2-OH-C12
3-hydroxylauric acid							5850	3-hydroxy lauric acid
20-hydroxy-LTB4							3399
5-hydroxy-L-tryptophan							4671	5-hydroxytryptophan
(S)-3-hydroxy-3-methylglutaryl-CoA							3040	HMG-CoA, 3-Hydroxy-3-methylglutaryl-CoA , 3-hydroxy-3-methylglutaryl-coenzyme A, HMG-CoA, hydroxymethylglutaryl-CoA
9-hydroxyoctadecadienoic acid							5567	9-HODE, 9(S)-HODE, 9(S)-hydroxyoctadecadienoic acid
2-hydroxyoctanoic acid							5796
3-hydroxyoctanoic acid							2933	3-hydroxyoctanoate, 3-OH-octanoic acid
4-hydroxyphenylpyruvic acid							6629	4-HPPA, 4-hydroxyphenylpyruvate
17α-hydroxypregnenolone							5103	17α hydroxypregnenolone, 17-hydroxypregnenolone, 17-OH-pregnenolone
17α-hydroxyprogesterone							5104	17α hydroxyprogesterone, 17-OH progesterone, 17OHP
5-hydroxytryptamine							5	5-HT, serotonin
hypoxanthine							4555
I								Back to top
inosine							4554
5'-inosine monophosphate							5124	5'-IMP, IMP, inosine 5'-monophosphate, inosinic acid
inositol 1-phosphate							5203	1D-myo-inositol 1-phosphate
inositol 3-phosphate							5204	1D-myo-inositol 3-phosphate
inositol 4-phosphate							5205	1D-myo-inositol 4-phosphate
inositol 2,4,5-trisphosphate							4223	Ins(2,4,5)P3
Ins(3,4,5,6)P4							4224	1D-myo-inositol 3,4,5,6-tetrakisphosphate
2-iodo-melatonin							1343	2-I-MLT, 2-iodomelatonin
1,4,-IP2							5098	1D-myo-inositol 1,4-bisphosphate, inositol 1,4-bis(phosphate)
1,5,-IP2							5099
4,5,-IP2							5119	1D-myo-inositol 4,5-bisphosphate
IP3							4222	1,4,5-IP3, 1D-myo-inositol 1,4,5-trisphosphate, inositol 1,4,5-trisphosphate, Ins(1,4,5)P3
IP4							5202	1D-myo-inositol 1,3,4,5-tetrakisphosphate, inositol 1,3,4,5-tetrakisphosphate
isoamylamine							5506
isobutyric acid							1060	isobutyrate
isoflurane							2505	Forane®
isopentenyl diphosphate							3048	IPP, IPPP, isopentenyl pyrophosphate
ITP							1743	inosine triphosphate
K								Back to top
α-ketoglutaric acid							3636	α-ketoglutarate, 2-ketoglutarate, 2-ketoglutaric acid, 2-oxoglutarate, oxoglutarate
3-keto-lithocholic acid							2766	3-keto-LCA, dehydrolithocholic acid
3-ketosphinganine							6654	3-dehydro-D-sphinganine, 3-dehydrosphinganine, 3-ketodihydrosphingosine, ketodihydrosphingosine
kynurenic acid							2918	KYNA, transtorine
L								Back to top
L-alanine							720	L-Ala
lanosterol							2746	(3β)-lanosta-8,24-dien-3-ol, (3β,20R)-lanosta-8,24-dien-3-ol, lanosterin
L-arginine							721	L-Arg
L-argininosuccinic acid							5324	L-arginosuccinate, L-arginosuccinic acid
L-ascorbic acid							4781	vitamin C
L-asparagine							4533	L-Asn
L-aspartic acid							3309	L-Asp, L-aspartate
[3H]L-aspartic acid							4534	[3H]-L-aspartate, [3H]-L-aspartic acid
lauric acid							5534	dodecoic acid, dodecylic acid, duodecyclic acid, n-dodecanoic acid, vulvic acid
L-carnitine							4780
L-cysteate							5329	cysteate
L-cysteine							4782	L-Cys
L-cystine							5413	(-)-cystine, cystine, L-dicysteine
levodopa							3639	3,4-dihydroxy-L-phenylalanine, L-DOPA, Sinemet®
L-fucose							4721
L-glucose							4719
L-glutamic acid							1369	L-Glu, L-glutamate, poly-L-glutamate
L-glutamine							723
L-histidine							3310	L-His
L-homocysteine							5198	homocysteine
β-L-hydroxybutyric acid							4699	β-L-hydroxybutyrate
linoleic acid							1052	C18:2, linoleate, linolic acid, telfairic acid
α-linolenic acid							1049	α-LA, C18:3, linolenate
γ-linolenic acid							4710	GLA, C18:3,n-6, gamma-linolenic acid
lipoic acid							4822	α-lipoic acid, lipoate, tioctic acid
L-isoleucine