an oxidized electron donor
a reduced electron donor
a deaminated amino group acceptor
an aminated amino group acceptor
Charged-LEU-tRNAs
LEU-tRNAs
a 2-oxo acid
an amino acid
an acyl-CoA
a carboxylate
an oxidized ferredoxin [iron-sulfur] cluster
a reduced ferredoxin [iron-sulfur] cluster
NAD(P)H
NAD(P)+
an L-tyrosyl-[tRNAtyr]
a tRNAtyr
(2Z,4Z)-2-hydroxy-5-carboxymuconate-6-semialdehyde
4α,14α-dimethyl-porifersta-8,25(27)-dienol
2-amino-4,5-dihydroxy-6-oxo-7-(phosphooxy)heptanoate
4-methylcyclohex-1,5-diene-1-carbonyl-CoA
isoshowacene
2-hydroxyhexadecanal
16-sinapoyloxypalmitate
3-methylquinolin-2-ol
(22R)-hydroxycholesterol
N-(2-methylpropyl)hydroxylamine
chloroeremomycin
3-hydroxy-3-methylbutanoate
2',3',4'-O-methyl-rhamnosyl tetracyclic spinosyn pseudoaglycone
2',3'-O-methyl-rhamnosyl tetracyclic spinosyn pseudoaglycone
2'-O-methyl-rhamnosyl tetracyclic spinosyn pseudoaglycone
rhamnosyl tetracyclic spinosyn pseudoaglycone
rhamnosyl tricyclic spinosyn pseudoaglycone
spinosyn tricyclic macrolactone
11-dehydro-15-oxo spinosyn macrolactone
15-oxo spinosyn macrolactone
spinosyn macrolactone
diethylamine N-oxide
triethylamine N-oxide
UDP-2-acetamido-2-deoxy-α-D-ribo-hex-3-uluronate
nitroxyl
trans,octacis-decaprenylphospho-β-D-arabinofuranose
1,3-dihydro-2H-imidazol-2-one
2-phenylethyl β-D-glucopyranoside
formyl hopane
ribosyl hopane
adenosyl hopane
(2Z)-2-hydroxypenta-2,4-dienoate
(2S,4S)-4-hydroxy-2,3,4,5-tetrahydrodipicolinate
(2Z)-2,4-dihydroxypent-2-enoate
(2E,7Z,10Z,13Z,16Z,19Z)-docosahexaenoyl-CoA
(3R,5Z,8Z,11Z,14Z,17Z)-3-hydroxydocosapentaenoyl-CoA
(5Z,8Z,11Z,14Z,17Z)-3-oxodocosapentaenoyl-CoA
(+)-3'-hydroxylarreatricin
(+)-larreatricin
2-trans,4-trans-xanthoxin
carbon monoxide
2-dehydro-3-deoxy-D-gluconate 6-phosphate
oxalosuccinate
H2
(2S,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran
enol-phenylpyruvate
(2S,4S)-2-methyl-2,4-dihydroxydihydrofuran-3-one
picolinate
ammonia
(S)-2-aceto-2-hydroxybutanoate
(R)-2,3-dihydroxy-3-methylpentanoate
4-amino-2-methyl-5-pyrimidinemethanol
3-keto-β-D-galactose
β-nicotinate D-ribonucleotide
quinolinate
D-gluconate 6-phosphate
poly(ribitol phosphate)
O-D-alanyl-poly(ribitol phosphate)
4-(γ-L-glutamylamino)butanoate
4-aminobutanoate
5'-phosphoribosyl-4-(N-succinocarboxamide)-5-aminoimidazole
4-amino-2-methyl-5-(phosphooxymethyl)pyrimidine
4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine
N,N-dimethyl-1,4-phenylenediamine
(R)-pantothenate
β-D-ribosylnicotinate
succinate semialdehyde
(R)-5-phosphomevalonate
(2-carboxy-2,5-dihydro-5-oxofuran-2-yl)-acetate
(4,5-dihydro-5-oxofuran-2-yl)-acetate
(5Z,8Z,11Z,14Z,17Z)-icosapentaenoyl-CoA
thiamine phosphate
hydrogen selenide
O-acetyl-L-serine
4'-phosphopantetheine
4-pyridoxolactone
isopentenyl diphosphate
3-methylbenzyl alcohol
3-methylbenzaldehyde
4-methylbenzyl alcohol
(S)-dihydroorotate
carbamoyl phosphate
orotidine 5'-phosphate
2'-(5''-triphospho-α-D-ribosyl)-3'-dephospho-CoA
malonate
CDP-glycerol
N-acetyl-α-D-glucosaminyldiphospho-ditrans,octacis-undecaprenol
ManNAc-GlcNAc-PP-undecaprenol
nicotinate adenine dinucleotide
acrylamide
acrylate
(indol-3-yl)acetamide
4-guanidinobutyramide
4-guanidinobutanoate
propionamide
1,4-dihydroxy-2-naphthoate
morphinone
(1R,2R)-cyclohexa-3,5-diene-1,2-diol
UDP-4-deoxy-4-formamido-β-L-arabinopyranose
4-deoxy-4-formamido-α-L-arabinopyranosyl ditrans,octacis-undecaprenyl phosphate
salicyl alcohol
ethanolamine
4-methylumbelliferyl glucoside
cis-coumarinic acid-β-D-glucoside
4-hydroxybenzaldehyde
scopolin
3-carboxy-2,5-dihydro-5-oxofuran-2-acetate
citrate
arsenite
(R)-4'-phosphopantothenate
(R)-4'-phosphopantothenoyl-L-cysteine
glycolate
dihydroxyacetone
2-oleoylglycerol
(S)-2,3,4,5-tetrahydrodipicolinate
N-succinyl-2-amino-6-ketopimelate
N-acetyl-β-D-glucosamine-1,6-anhydro-N-acetyl-β-D-muramate
pseudouridine 5'-phosphate
L-selenocystathionine
aminoacetone
CO2
(R)-mevalonate
2-amino-3-carboxymuconate-6-semialdehyde
(2Z,4E)-2-amino-6-oxohexa-2,4-dienoate
glutathione disulfide
2-dehydropantoate
N-acetyl-D-muramate 6-phosphate
D-galactosamine-6-phosphate
methylsalicylate
N-acetyl-D-galactosamine 6-phosphate
DNA without lesion
2-amino-2-deoxy-D-gluconate 6-phosphate
S-ribosyl-L-homocysteine
autoinducer 2
5-amino-6-(D-ribitylamino)uracil
2,5-diamino-6-(5-phospho-D-ribosylamino)pyrimidin-4(3H)-one
5-amino-6-(5-phospho-D-ribosylamino)uracil
oxaloacetate
phosphoenolpyruvate
2-keto-D-gluconate
2,5-didehydro-D-gluconate
hydrogen peroxide
xanthine
2-aminomalonate semialdehyde
H2O
glycerone phosphate
α-D-glucosamine 1-phosphate
oxalate
acetyl phosphate
4-methyl-2-oxopentanoate
6-phospho D-glucono-1,5-lactone
3-methyl-2-oxobutanoate
(S)-3-methyl-2-oxopentanoate
thiamine diphosphate
(R)-mevalonate diphosphate
prenyl diphosphate
acetoacetate
mercuriphenyl acetate
(2R,4S)-2-methyl-2,4-dihydroxydihydrofuran-3-one
(2R,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran
N1-(5-phospho-β-D-ribosyl)glycinamide
N2-formyl-N1-(5-phospho-β-D-ribosyl)glycinamide
5-amino-1-(5-phospho-β-D-ribosyl)imidazole
5-amino-6-(5-phospho-D-ribitylamino)uracil
1-deoxy-L-glycero-tetrulose 4-phosphate
L-arginino-succinate
2-iminoacetate
3,5-dihydro-4H-imidazol-4-one
4-aminoimidazole
5-aminoimidazole-4-carboxylate
5-ureidoimidazole-4-carboxylate
1,6-anhydro-N-acetyl-β-muramate
pseudouridine
7-epicholate
3α,12α-dihydroxy-7-oxo-5β-cholan-24-oate
N-succinyl-L,L-2,6-diaminopimelate
5,10-methenyltetrahydrofolate mono-L-glutamate
3α,7α,12β-trihydroxy-5β-cholan-24-oate
3α,7α-dihydroxy-12-oxo-5β-cholan-24-oate
glycocholate
cholate
3-dehydrocholate
isocholate
(+)-7-epi-jasmonate
(indol-3-yl)acetate
methyl (indol-3-yl)acetate
3-chlorobenzyl alcohol
3-chlorobenzaldehyde
acetamide
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide
5-amino-4-imidazolecarboxyamide
cephalosporin C
deacetylcephalosporin C
nicotinamide
taxiphyllin
hydrogen cyanide
linustatin
linamarin
neolinustatin
lotaustralin
2-hydroxy-2-methylpropanenitrile
(2R)-2-hydroxy-2-methylbutanenitrile
hydrogensulfite
thiosulfate
sulfite
sulfate
hydrogencarbonate
phosphonate
phosphate
triphosphate
diphosphate
trimethyl sulfonium
Ca2+
Hg2+
Mg2+
Cu2+
Cd2+
Co2+
Na+
K+
H+
ammonium
Gro-P-ManNAc-GlcNAc-PP-undecaprenol
succinate
fumarate
L-aspartate
(S)-malate
(R)-3-hydroxybutanoate
(R)-lactate
(S)-lactate
(R)-glycerate
13-sophorosyloxydocosanoate 6',6''-diacetate
13-[O(2')-β-D-glucopyranosyl-β-D-glucopyranosyloxy]docosanoate O(6'')-acetate
sophorosyloxydocosanoate
propanoate
acetate
pyruvate
formate
butanoate
3-oxoadipate
3-phenyl-2-oxopropanoate
2-oxobutanoate
2-oxoglutarate
glyoxylate
stearate
palmitate
(3E,5Z)-tetradecadienoate
(5Z,8Z,11Z,14Z,17Z)-icosapentaenoate
di-homo-γ-linolenate
cis-aconitate
3-carboxy-cis,cis-muconate
D-threo-isocitrate
orotate
(R)-pantoate
D-gluconate
protocatechuate
salicylate
4-aminobenzoate
benzoate
L-α-amino-ε-keto-pimelate
L-cysteine
L-asparagine
L-glutamine
glycine
L-threonine
L-tyrosine
L-serine
L-glutamate
L-arginine
L-lysine
L-histidine
L-aspartyl-4-phosphate
seleno-L-homocysteine
L-2-amino-3-oxobutanoate
S-methyl-L-methionine
N-formimino-glycine
N-carbamoyl-L-aspartate
L-phenylalanine
D-alanine
D-aspartate
D-glutamate
L-isoleucine
L-selenocysteine
L-alanine
L-proline
L-leucine
L-valine
L-methionine
L,L-diaminopimelate
L-ornithine
L-cystathionine
L-citrulline
L-homoserine
O-succinyl-L-homoserine
S-sulfo-L-cysteine
L-aspartate 4-semialdehyde
S-adenosyl-L-methionine
S-adenosyl-L-homocysteine
L-homocysteine
O-phospho-L-homoserine
meso-diaminopimelate
S-(4-hydroxy-nonenal-3-yl)-L-cysteine
β-alanine
methylglyoxal
isobutanal
acetaldehyde
4-methylbenzaldehyde
benzaldehyde
4-nitrobenzaldehyde
D-glyceraldehyde
β-D-galactopyranose
α-D-galactopyranose
α-D-glucopyranose
β-D-glucopyranose
β-D-ribopyranose
aldehydo-D-ribose
β-D-ribofuranose
α-D-ribofuranose
1-(β-D ribofuranosyl)nicotinamide
3'-ketolactose
1-O-acetyl-α-maltose
decaprenyl-diphospho-N-acetylmuramoyl-pentapeptide
dTDP-4-dehydro-6-deoxy-α-D-glucopyranose
dTDP-α-D-glucose
dTDP-β-L-rhamnose
dTDP-4-dehydro-β-L-rhamnose
GDP-α-D-mannose
GDP-α-D-glucose
ADP-α-D-glucose
ADP-D-ribose
UDP-α-D-galactose
UDP-N-acetyl-α-D-muramate
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-L-lysine
UDP-N-acetyl-α-D-glucosamine 3'-phosphate
UDP-N-acetyl-α-D-mannosamine
UDP-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanine
UDP-α-D-glucose
UDP-N-acetyl-α-D-glucosamine-enolpyruvate
UDP-N-acetyl-α-D-muramoyl-L-alanine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-D-glutamate
UDP-α-D-galactofuranose
UDP-N-acetyl-α-D-glucosamine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-L-lysyl-D-alanine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimelate
UDP-N-acetyl-α-D-mannosaminuronate
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-L-lysyl-D-alanyl-D-alanine
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
sucrose 6F-phosphate
β-D-cellobiose 6'-phosphate
a peptidoglycan dimer (mycobacteria)
a peptidoglycan dimer (E. faecium, tetrapeptide)
a peptidoglycan dimer (S. aureus)
a peptidoglycan dimer (E. faeciums)
undecaprenyl-diphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-L-lysyl- D-alanine
decaprenyl-pyrophosphoryl-(N-acetylglucosamine)-N-acetylmuramyl-(pentapeptide)
a peptidoglycan tetramer with an L,D cross-link (Enterococcus faecium)
a peptidoglycan with D,D cross-link (S. aureus)
a peptidoglycan tetramer with a D,D cross-link (Enterococcus faecium)
GlcNAc-1,6-anhMurNAc-L-Ala-γ-D-Glu-DAP-D-Ala
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-N-(β-D-asparatyl)-L-lysyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-L-lysyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-L-lysyl-(glycyl)5-D-alanyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-N-(β-D-asparaginyl)-L-lysyl-D-alanyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-isoglutaminyl-N-(β-D-asparaginyl)-L-lysyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-[(N-acetyl-β-D-glucosaminyl)-(1,4)-]-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetyl-β-D-glucosaminyl)muramoyl-L-alanyl-γ-D-glutamyl-L-lysyl-D-alanyl-D-alanine
ditrans,octacis-undecaprenyldiphospho-N-acetyl-(N-acetylglucosaminyl)muramoyl-L-alanyl-γ-D-glutamyl-L-lysyl-D-alanine
a peptidoglycan with D,D cross-links (meso-diaminopimelate containing)
a peptidoglycan dimer (meso-diaminopimelate containing)
a peptidoglycan with D,D cross-links (mycobacteria)
a peptidoglycan with L,D cross-links (mycobacteria)
undecaprenyldiphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
undecaprenyl-diphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-L-lysyl- D-alanyl-D-alanine
methyl β-D-glucoside 6-phosphate
α-D-glucopyranose 1-phosphate
D-glyceraldehyde 3-phosphate
D-sedoheptulose 7-phosphate
D-erythrose 4-phosphate
5-phospho-α-D-ribose 1-diphosphate
β-D-fructose 1,6-bisphosphate
1-deoxy-D-xylulose 5-phosphate
D-xylulose 5-phosphate
D-ribulose 5-phosphate
arbutin-6-phosphate
salicin 6-phosphate
D-fructose 6-phosphate
β-D-fructofuranose 6-phosphate
α-D-mannopyranose 6-phosphate
β-D-mannopyranose 6-phosphate
α-D-galactose 6-phosphate
β-D-galactose 6-phosphate
α-D-glucose 6-phosphate
β-D-glucose 6-phosphate
α-D-galactose 1-phosphate
β-D-fructofuranose 1-phosphate
β-D-glucopyranose 1-phosphate
α-D-mannose 1-phosphate
N-acetyl-α-D-glucosamine 1-phosphate
α-D-ribose-1-phosphate
β-D-fructofuranose
N-acetyl-α-D-muramoyl-L-alanine(1-)
N-acetylmuramate
N-acetyl-β-D-glucosamine
glycerol
maltoheptaose
maltotetraose
maltohexaose
maltopentaose
maltotriose
sucrose
melibiose
α-lactose
β-D-cellobiose
XXLG xyloglucan oligosaccharide
XLXG xyloglucan oligosaccharide
XLLG xyloglucan oligosaccharide
XXXG xyloglucan oligosaccharide
stachyose
raffinose
dimethyl sulfide
glutathione
4-methyl-5-(2-phosphooxyethyl)thiazole
5-(2-hydroxyethyl)-4-methylthiazole
2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate
2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate
L-cysteate
3-sulfopyruvate
thiocyanate
L-alanyl-γ-D-glutamyl-meso-diaminopimelate
L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanine
L-alanyl-L-threonine
L-alanyl-glycine
glycyl-L-methionine
glycyl-L-proline
L-cysteinylglycine
glycyl-L-glutamate
L-alanyl-L-glutamate
L-alanyl-L-histidine
L-alanyl-L-aspartate
glycyl-L-asparagine
L-alanyl-L-leucine
L-alanyl-L-glutamine
glycyl-L-aspartate
glycyl-L-glutamine
L-alanyl-D-glutamate
L-methionyl-L-alanine dipeptide
D-alanyl-D-alanine
2-iminosuccinate
2-iminobutanoate
2-iminopropanoate
coenzyme A
5,6,7,8-tetrahydrofolate
tetrahydropteroyl tri-L-glutamate
(6S)-5-formyl-tetrahydrofolate mono-L-glutamate
5-methyltetrahydropteroyl mono-L-glutamate
5-methyltetrahydropteroyl tri-L-glutamate
10-formyl-tetrahydrofolate mono-L-glutamate
5,10-methylenetetrahydropteroyl mono-L-glutamate
7,8-dihydrofolate monoglutamate
D-glucono-1,5-lactone
tributyrin
1,2-dibutyrin
malonyl-CoA
isobutanoyl-CoA
dihomo γ-linolenoyl-CoA
(+)-7-epi-jasmonoyl-CoA
succinyl-CoA
3'-dephospho-CoA
(3S)-citryl-CoA
(11Z,14Z,17Z)-3-oxoicosatrienoyl-CoA
(3R,11Z,14Z,17Z)-3-hydroxyicosatrienoyl-CoA
2-methylacetoacetyl-CoA
(S)-3-hydroxy-3-methylglutaryl-CoA
acetyl-CoA
oxalyl-CoA
formyl-CoA
2-methylbutanoyl-CoA
(E)-2-methylcrotonoyl-CoA
(2S,3S)-3-hydroxy-2-methylbutanoyl-CoA
crotonyl-CoA
oleoyl-CoA
3-oxopentanoyl-CoA
acetoacetyl-CoA
(3R)-3-hydroxybutanoyl-CoA
butanoyl-CoA
propanoyl-CoA
hexadecanedioyl-CoA
stearoyl-CoA
palmitoyl-CoA
all-trans-retinyl palmitate
morphine
4-methylumbelliferone
coumarin
scopoletin
geranyl diphosphate
(3R)-linalool
(3S)-linalool
all-trans-retinol
trans,octacis-decaprenyl phosphate
mono-trans,octa-cis-decaprenyl diphosphate
(2E,6E)-farnesyl diphosphate
(3E,5Z)-tetradeca-3,5-dienoyl-CoA
di-trans,octa-cis-undecaprenyl diphosphate
all-trans-octaprenyl diphosphate
di-trans,octa-cis-undecaprenyl phosphate
dioleoyl phosphatidate
1-oleoyl-2-lyso-glycerone phosphate
1-C16:0-α,ω-dicarboxyl-2-lysophosphatidate
1-oleoyl-sn-glycerol 3-phosphate
urate
benzyl alcohol
4-vinylguaiacol
salicyl-6-hydroxy-2-cyclohexene-on-oyl
6-hydroxy-2-cyclohexen-one-carboxylate
benzene
8-hydroxypurine
6,8-dihydroxypurine
ferulate
coumarinate
4-nitrobenzyl alcohol
4-methylphenol
hydroquinone
demethylmenaquinol-8
aniline
catechol
(2Z)-2-aminobut-2-enoate
2-aminoprop-2-enoate
putrescine
spermidine
glycine betaine
choline
FMN
FAD
FMNH2
(S)-NADHX
(R)-NADHX
NAD+
NADP+
NADH
NADPH
nicotinate
riboflavin
thiamine
pyridoxamine
pyridoxamine 5'-phosphate
pyridoxine
pyridoxine 5'-phosphate
pyridoxal
pyridoxal 5'-phosphate
reduced riboflavin
6,7-dimethyl-8-(1-D-ribityl)lumazine
(7,8-dihydropterin-6-yl)methyl diphosphate
7,8-dihydropteroate
adenine
guanine
2'-deoxyinosine
2'-deoxyguanosine
2'-deoxyadenosine
adenosine
inosine
guanosine
xanthosine
hypoxanthine
purine
dGMP
dAMP
dATP
dGTP
dADP
dGDP
GTP
ATP
GDP
ADP
AMP
GMP
IMP
XMP
dCTP
dUTP
dUDP
dTTP
uracil
dUMP
dTMP
CTP
dCMP
dCDP
UDP
CDP
UTP
cytidine 2',3'-cyclic monophosphate
cytidine-3'-monophosphate
uridine 2'3'-cyclic monophosphate
uridine 3'-monophosphate
dTDP
cytidine
uridine
thymidine
2'-deoxyuridine
2'-deoxycytidine
UMP
CMP
cob(I)alamin
adenosylcobalamin
adenylo-succinate
5'-deoxyadenosine
cyclic-AMP
ppGpp
pppGpp
guanosine 2',3'-cyclic monophosphate
guanosine 3'-monophosphate
adenosine 2',3'-cyclic monophosphate
adenosine 3'-monophosphate
β-nicotinamide D-ribonucleotide
glycerophosphoserine
sn-glycero-3-phosphoethanolamine
glycerophosphoglycerol
methanol
ethanol
hippurate
DNA with lesion
ethylphosphate
cob(I)yrinate a,c-diamide
cob(I)inamide
adenosylcobinamide
adenosyl-cob(III)yrinate a,c-diamide
adenosylcobyrate
hydrogen sulfide
Hg0
oxygen
α-D-glucosamine 6-phosphate
sn-glycerol 3-phosphate
2,3-diphospho-D-glycerate
3-phospho-D-glyceroyl-phosphate
2-phospho-D-glycerate
3-phospho-D-glycerate
4-dimethylaminophenylazobenzene
S-(4-hydroxy-nonenal-3-yl)-L-cysteinylglycine