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
thiamine diphosphate
(2R,4S)-2-methyl-2,4-dihydroxydihydrofuran-3-one
(2R,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran
1-piperideine 6-carboxylate
glutathione disulfide
(R)-1-amino-2-propanol O-2-phosphate
(3R)-3-hydroxy-2-oxo-4 phosphooxybutanoate
N-carbamoylputrescine
carbonic acid
pimeloyl-CoA
8-amino-7-oxononanoate
2-dehydropantoate
S-adenosyl 3-(methylsulfanyl)propylamine
S-methyl-5'-thioadenosine
4-prenylphlorisobutyrophenone
3-(O-geranylgeranyl)-sn-glycerol 1-phosphate
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate
salicyl alcohol
methylsalicylate
3-phosphooxypyruvate
(S)-2-amino-6-oxohexanoate
autoinducer 2
lipid X
lipid A disaccharide (E. coli)
lipid IVA
(3R,5S)-3-hydroxy-1-pyrroline-5-carboxylate
N-acetyl-β-D-glucosamine-1,6-anhydro-N-acetyl-β-D-muramate
5'-phosphoribosyl-4-(N-succinocarboxamide)-5-aminoimidazole
4-amino-2-methyl-5-(phosphooxymethyl)pyrimidine
urea
D-glycero-β-D-manno-heptose 1,7-bisphosphate
D-glycero-β-D-manno-heptose 1-phosphate
(R)-4'-phosphopantothenate
4-amino-2-methyl-5-(diphosphooxymethyl)pyrimidine
thiamine phosphate
2-iminoacetate
creatinine
(R)-4'-phosphopantothenoyl-L-cysteine
propanoyl phosphate
3-[(3aS,4S,7aS)-7a-methyl-1,5-dioxo-octahydro-1H-inden-4-yl]propanoate
3-[(3aS,4S,7aS)-7a-methyl-1,5-dioxo-octahydro-1H-inden-4-yl]propanoyl-CoA
(E)-glutaconate
O-ureido-L-homoserine
(R)-2-benzylsuccinate
O-phosphoethanolamine
phosphocholine
N-methylethanolamine phosphate
N-dimethylethanolamine phosphate
O-acetyl-L-serine
orotidine 5'-phosphate
3-ureidopropanoate
5-oxo-L-proline
3-deoxy-D-manno-octulosonate 8-phosphate
5-phospho-β-D-ribosylamine
selenophosphate
DNA without lesion
7,8-diaminopelargonate
dethiobiotin
(2Z,4E)-2-hydroxyhexa-2,4-dienedioate
3-hydroxypropanoate
hypotaurine
(S)-dihydroorotate
L-selenocystathionine
4-aminobutanoate
N-(5-phosphoribosyl)-anthranilate
hydrogenobyrinate
hydrogenobyrinate a,c-diamide
4-methyl-2-oxopentanoate
(2S)-2-isopropyl-3-oxosuccinate
3-ethylmalate
2-oxovalerate
histidinal
histidinol
S-Inosyl-L-homocysteine
2-maleylacetate
3-oxopropanoate
7-carboxy-7-deazaguanine
urea-1-carboxylate
prephenate
3-deoxy-α-D-manno-2-octulosonate
(R)-pantothenate
shikimate
shikimate 3-phosphate
3-deoxy-D-arabino-heptulosonate 7-phosphate
3-dehydroquinate
nicotinate adenine dinucleotide
L-β-lysine
(2S)-2-isopropylmalate
(2R,3S)-3-isopropylmalate
2-isopropylmaleate
4-phosphooxy-L-threonine
3-amino-1-hydroxyacetone 1-phosphate
(2S)-2-amino-3-oxo-4-phosphooxybutanoate
S-methyl-5-thio-α-D-ribose 1-phosphate
5-(methylsulfanyl)-ribulose 1-phosphate
4'-phosphopantetheine
N1-(5-phospho-β-D-ribosyl)glycinamide
N2-formyl-N1-(5-phospho-β-D-ribosyl)glycinamide
2-C-methyl-D-erythritol-2,4-cyclodiphosphate
coenzyme B
methanophenazine
CoB-CoM heterodisulfide
dihydromethanophenazine
5-amino-6-(D-ribitylamino)uracil
acetyl phosphate
5-enolpyruvoyl-shikimate 3-phosphate
(2-carboxy-2,5-dihydro-5-oxofuran-2-yl)-acetate
(4,5-dihydro-5-oxofuran-2-yl)-acetate
quinolinate
glycolate
coproporphyrinogen III
(R)-1-aminopropan-2-ol
porphobilinogen
preuroporphyrinogen
1-deoxy-L-glycero-tetrulose 4-phosphate
oxalosuccinate
succinate semialdehyde
D-erythro-imidazole-glycerol-phosphate
N-acetyl-L-glutamate 5-semialdehyde
carbamoyl phosphate
carboxyphosphate
D-gluconate 6-phosphate
S-ribosyl-L-homocysteine
hydroxypyruvate
xanthine
N-acetylglutamyl-phosphate
L-arginino-succinate
canavaninosuccinate
L-canavanine
2-(formamido)-N1-(5-phospho-β-D-ribosyl)acetamidine
5-amino-1-(5-phospho-β-D-ribosyl)imidazole
(indol-3-yl)pyruvate
(indol-3 yl)acetyl-CoA
3'-phosphoadenylyl-sulfate
(R)-2,3-dihydroxy-3-methylpentanoate
(S)-3-methyl-2-oxopentanoate
hydrogen peroxide
imidazole acetol-phosphate
L-histidinol phosphate
glycerone phosphate
5,6-dimethylbenzimidazole
β-nicotinate D-ribonucleotide
α-ribazole 5'-phosphate
(S)-4-amino-5-oxopentanoate
5-aminolevulinate
anthranilate
3-methyl-2-oxobutanoate
H2
γ-L-glutamyl 5-phosphate
adenosine 5'-phosphoselenate
(S)-2-aceto-2-hydroxybutanoate
(S)-2-acetolactate
CO2
phosphoenolpyruvate
2-C-methyl-D-erythritol 4-phosphate
adenosine 5'-phosphosulfate
oxaloacetate
citrate
isopentenyl diphosphate
H2O
prenyl diphosphate
(E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate
bisorganyltrisulfane
(2S,4S)-2-methyl-2,3,3,4-tetrahydroxytetrahydrofuran
ammonia
enol-phenylpyruvate
(2S,4S)-2-methyl-2,4-dihydroxydihydrofuran-3-one
1,2-dihydro-β-NADP
selenodiglutathione
glutathioselenol
mercuriphenyl acetate
hydrogen selenide
acetoacetate
3-dehydroshikimate
DNA with lesion
L-homocysteine
4-methylphenol
phenylacetate
ethylphosphate
carboxyphosphinopyruvate
3-(hydroxyphosphinoyl)pyruvate
1-carboxyvinyl carboxyphosphonate
hydrogen cyanide
adenosylcobalamin
cob(I)alamin
adenosylcobalamin 5'-phosphate
adenosylcobinamide-GDP
cobalt-precorrin-4
cobalt-precorrin-5A
cobalt-precorrin-5B
cobalt-precorrin-6A
adenosyl-cobinamide phosphate
cob(II)yrinate c-monoamide
cob(II)yrinate a,c-diamide
cobyrinate
cob(I)yrinate a,c-diamide
adenosyl-cob(III)yrinate a,c-diamide
cob(I)inamide
adenosylcobinamide
adenosylcobyrate
protoheme
uroporphyrinogen-I
coproporphyrinogen I
uroporphyrinogen-III
protoporphyrin IX
protoporphyrinogen IX
Hg0
hydrogen sulfide
oxygen
2-iminopropanoate
2-iminobutanoate
2-iminosuccinate
2-chloroacetate
sn-glycerol 1-phosphate
sn-glycerol 3-phosphate
2-O-(α-D-glucopyranosyl)-3-phospho-D-glycerate
(R)-glycerate
3-phospho-D-glyceroyl-phosphate
2-O-(α-D-glucopyranosyl)-D-glycerate
2-[2-O-(α-D-mannopyranosyl)-(1→2)-α-D-glucopyranosyl]-3-phospho-D-glycerate
2-[2-O-(α-D-mannopyranosyl)-(1→2)-α-D-glucopyranosyl]-D-glycerate
2-phospho-D-glycerate
3-phospho-D-glycerate
dTDP-4-dehydro-6-deoxy-α-D-glucopyranose
(2R)-2,3-dihydroxy-3-methylbutanoate
S-(4-hydroxy-nonenal-3-yl)-L-cysteinylglycine
CMP-N-acetyl-β-neuraminate
(S)-methylmalonate-semialdehyde
(R)-methylmalonate-semialdehyde
(S)-3-hydroxy-isobutanoate
(R)-2-hydroxyglutarate
preQ0
N-acetyl-β-neuraminate
5'-deoxy-5'-fluoroadenosine
5-fluoro-5-deoxy-D-ribose 1-phosphate
5-chloro-5-deoxy-D-ribonate
5-chloro-4-hydroxy-2-oxopentanoate
5'-chloro-5'-deoxyadenosine
5-chloro-5-deoxyribose 1-phosphate
Fe3+
H+
ammonium
Co2+
Hg2+
Fe2+
OH-
selenide
superoxide
thiosulfate
hydrogencarbonate
selenate
sulfite
sulfate
hydrogensulfite
selenite
phosphate
triphosphate
diphosphate
chloride
hydroxyl radical
(2E,6E)-farnesyl diphosphate
pristanate
sn-glycero-3-phosphoethanolamine
1-oleoyl-2-palmitoyl-phosphatidylglycerol
2-aminoprop-2-enoate
(2Z)-2-aminobut-2-enoate
agmatine
putrescine
spermidine
S-(hydroxymethyl)glutathione
thiocyanate
methanethiol
glutathione
S-sulfanylglutathione
2-(2-carboxy-4-methylthiazol-5-yl)ethyl phosphate
2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate
5-(2-hydroxyethyl)-4-methylthiazole
4-methyl-5-(2-phosphooxyethyl)thiazole
taurine
sulfoacetaldehyde
2-sulfinoacetaldehyde
coenzyme M
L-cysteate
3-sulfopyruvate
3-sulfino-L-alanine
all-trans-retinyl palmitate
cis-dienelactone
trans-dienelactone
4-hydroxybutanoyl-CoA
(R)-2-hydroxyglutaryl-CoA
(E)-glutaconyl-CoA
(2S)-ethylmalonyl-CoA
(2R)-ethylmalonyl-CoA
isovaleryl-CoA
3-methylcrotonyl-CoA
3-methylglutaconyl-CoA
isobutanoyl-CoA
(R)-benzylsuccinyl-CoA
phenylacetyl-CoA
3-hydroxypropanoyl-CoA
linoleoyl-CoA
α-linolenoyl-CoA
(3S)-citryl-CoA
3'-dephospho-CoA
2-methylacetoacetyl-CoA
succinyl-CoA
acetyl-CoA
methylacrylyl-CoA
(S)-3-hydroxy-3-methylglutaryl-CoA
(S)-methylmalonyl-CoA
(R)-methylmalonyl-CoA
crotonyl-CoA
phytenoyl-CoA
ω-carboxy-(9Z)-octadec-9-enoyl-CoA
oleoyl-CoA
7-hydroxylauroyl-CoA
18-hydroxystearoyl-CoA
16-hydroxypalmitoyl-CoA
18-hydroxyoleoyl-CoA
(S)-3-hydroxybutanoyl-CoA
(Z)-15-tetracosenoyl-CoA
propanoyl-CoA
decanoyl-CoA
lauroyl-CoA
octanoyl-CoA
stearoyl-CoA
palmitoyl-CoA
pristanoyl-CoA
acetoacetyl-CoA
3-oxopentanoyl-CoA
(S)-3-hydroxy-isobutanoyl-CoA
(25S)-3-oxocholest-4-en-26-oate
(25S)-3-oxocholest-4-en-26-oyl-CoA
methyl (indol-3-yl)acetate
(indol-3-yl)acetate
riboflavin
nicotinate
all-trans-retinol
tetrahydropteroyl tri-L-glutamate
5-methyltetrahydropteroyl tri-L-glutamate
5,10-methylene-tetrahydromethanopterin
tetrahydromethanopterin
pyridoxamine 5'-phosphate
pyridoxal 5'-phosphate
pyridoxine 5'-phosphate
menadione
FAD
FADH2
FMNH2
FMN
(R)-NADHX
(S)-NADHX
NADH
NADPH
NAD+
NADP+
caldariellaquinone
caldariellaquinol
8-oxo-GTP
8-oxo-GMP
8-oxo-dGTP
8-oxo-dGMP
1-(5-phospho-β-D-ribosyl)-AMP
1-(5-phospho-β-D-ribosyl)-ATP
cyclic-AMP
cyclic-GMP
5'-deoxyadenosine
pppGpp
ppGpp
2'-deoxyinosine
2'-deoxyguanosine
hypoxanthine
2'-deoxyadenosine
XMP
GMP
dADP
dATP
IDP
ITP
dIDP
dITP
dGDP
dGTP
IMP
adenylo-succinate
GTP
GDP
AMP
ATP
ADP
isoguanine
guanosine
adenosine
inosine
xanthosine
cytidine
uridine
thymidine
2'-deoxycytidine
2'-deoxyuridine
cyclic di-3',5'-guanylate
2-hydroxy-dATP
5-hydroxy-CTP
dTTP
dCTP
dUTP
UTP
CTP
dCMP
dUMP
dTMP
CMP
UMP
dTDP
dCDP
dUDP
UDP
CDP
2-sulfanyl-N6-dimethylallyladenosine37 in tRNA
2-methylsulfanyl-N6-dimethylallyladenosine37 in tRNA
GDP-α-D-mannuronate
GDP-α-D-glucose
GDP-4-dehydro-α-D-rhamnose
GDP-α-D-mannose
GDP-β-L-fucose
ADP-α-D-glucose
preQ1
thymine
uracil
guanine
adenine
5,6-dihydrouracil
5,6-dihydrothymine
CMP-3-deoxy-β-D-manno-octulosonate
UDP-α-D-glucose
CDP-α-D-glucose
dTDP-α-D-glucose
UDP-N-acetyl-α-D-muramoyl-L-alanyl-D-glutamate
UDP-3-O-(3-hydroxymyristoyl)-α-D-glucosamine
UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine
UDP-α-D-glucuronate
UDP-3-O-[(3R)-3-hydroxymyristoyl]-N-acetyl-α-D-glucosamine
UDP-α-D-galactose
UDP-N-acetyl-α-D-glucosamine-enolpyruvate
UDP-N-acetyl-α-D-muramate
UDP-N-acetyl-α-D-muramoyl-L-alanine
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-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
UDP-N-acetyl-α-D-muramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimelate
UDP-N-acetyl-α-D-glucosamine
dTDP-β-L-rhamnose
dTDP-4-dehydro-β-L-rhamnose
CDP-4-dehydro-6-deoxy-α-D-glucose
coenzyme A
guanylyl molybdenum cofactor
MoO2-molybdopterin cofactor
thio-molybdenum cofactor
(S)-1-pyrroline-5-carboxylate
precorrin-7
precorrin-6B
precorrin-6A
precorrin-5
precorrin-1
precorrin-2
precorrin-3A
precorrin-8x
precorrin-3B
precorrin-4
hydantoin
6,7-dimethyl-8-(1-D-ribityl)lumazine
reduced riboflavin
7,8-dihydroneopterin 3'-triphosphate
(6R)-6-pyruvoyl-5,6,7,8-tetrahydropterin
6-carboxy-5,6,7,8-tetrahydropterin
orotate
salicyl-6-hydroxy-2-cyclohexene-on-oyl
6-hydroxy-2-cyclohexen-one-carboxylate
4-hydroxybenzoate
benzene
indole
(1S,2R)-1-C-(indol-3-yl)glycerol 3-phosphate
phenol
protocatechuate
menadiol
salicylate
diacetyl
methylglyoxal
formaldehyde
butan-1-al
acetaldehyde
β-D-galactopyranose
α-D-galactopyranose
ethanol
methanol
butan-1-ol
glycerol
maltotriose
maltotetraose
maltoheptaose
maltohexaose
maltopentaose
sucrose
N-acetyl-α-D-muramoyl-L-alanine(1-)
N-acetylmuramate
N-acetyl-α-D-mannosamine
β-D-fructofuranose
decaprenyl-diphospho-N-acetylmuramoyl-pentapeptide
undecaprenyl-diphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-L-lysyl- D-alanine
a peptidoglycan dimer with pentapeptide stems (meso-diaminopimelate containing)
a peptidoglycan dimer with pentapeptide stem (meso-diaminopimelate containing)
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
GlcNAc-1,6-anhMurNAc-L-Ala-γ-D-Glu-DAP-D-Ala
undecaprenyl-diphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-L-lysyl- D-alanyl-D-alanine
undecaprenyldiphospho-N-acetylmuramoyl-L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine
α-D-glucopyranose 1-phosphate
D-glyceraldehyde 3-phosphate
4-phospho-D-erythronate
1-(o-carboxyphenylamino)-1'-deoxyribulose 5'-phosphate
D-sedoheptulose 7-phosphate
D-erythrose 4-phosphate
5-phospho-α-D-ribose 1-diphosphate
β-D-fructose 1,6-bisphosphate
β-D-fructofuranose 6-phosphate
D-fructose 6-phosphate
β-D-glucose 6-phosphate
α-D-glucose 6-phosphate
D-xylulose 5-phosphate
1-deoxy-D-xylulose 5-phosphate
aldehydo-D-arabinose 5-phosphate
D-arabinofuranose 5-phosphate
D-ribulose 5-phosphate
α-D-ribose-1-phosphate
2-deoxy-α-D-ribose 1-phosphate
α-D-galactose 1-phosphate
β-D-glucopyranose 1-phosphate
α-D-mannose 1-phosphate
18-hydroxystearate
16-hydroxypalmitate
18-hydroxyoleate
1-(oleoyl)-sn-glycero-3-phosphoethanolamine
phosphatidylglycerophosphate (1-octadecenoyl(9Z), 2-palmitoyl)
geranyl diphosphate
trans,octacis-decaprenyl phosphate
di-trans,octa-cis-undecaprenyl phosphate
geranylgeranyl diphosphate
phlorisovalerophenone
deoxycohumulone
4-prenylphlorisovalerophenone
deoxyhumulone
5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide
1-(5-phospho-β-D-ribosyl)-5-[(5-phosphoribosylamino)methylideneamino]imidazole-4-carboxamide
phosphoribulosylformimino-AICAR-phosphate
5-formamido-1-(5-phospho-D-ribosyl)-imidazole-4-carboxamide
(3E)-2-oxohex-3-enedioate
chorismate
L-aspartate
fumarate
succinate
(S)-malate
α,ω-9Z-octadecenedioate
3-(carbamoylamino)-2-methylpropanoate
cis-aconitate
3-carboxy-cis,cis-muconate
D-threo-isocitrate
3-oxoadipate
3-phenyl-2-oxopropanoate
pyruvate
glyoxylate
2-oxobutanoate
2-oxoglutarate
acetate
formate
propanoate
(R)-lactate
decanoate
7-hydroxylaurate
laurate
octanoate
4-hydroxybutanoate
(15Z)-tetracosenoate
linoleate
α-linolenate
stearate
palmitate
oleate
phytenate
(R)-pantoate
L-2-aminoadipate
carbamate
L-serine
L-asparagine
L-tyrosine
L-threonine
glycine
L-glutamine
L-cysteine
L-histidine
L-lysine
L-arginine
L-glutamate
L-leucine
L-valine
L-phenylalanine
L-tryptophan
L-proline
L-isoleucine
L-alanine
L-methionine
creatine
β-alanine
(R)-β-lysine
(R)-3-amino-2-methylpropanoate
(S)-3-amino-2-methylpropanoate
D-glutamate
D-aspartate
D-alanine
L,L-diaminopimelate
L-cystathionine
L-aspartyl-4-phosphate
L-ornithine
N-carbamoyl-L-aspartate
N-acetyl-L-ornithine
seleno-L-homocysteine
3-phospho-L-serine
sarcosine
N-carbamoylglycine
N-acetyl-L-glutamate
trans-4-hydroxy-L-proline
O-acetyl-L-homoserine
L-citrulline
L-canaline
S-adenosyl-L-methionine
S-adenosyl-L-homocysteine
L-homoserine
L-aspartate 4-semialdehyde
O-phospho-L-homoserine
L-glutamate-5-semialdehyde
hypoglycin A
meso-diaminopimelate
S-(4-hydroxy-nonenal-3-yl)-L-cysteine
hypoglycin B
L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanine
L-cysteinylglycine
D-alanyl-D-alanine
L-alanyl-γ-D-glutamyl-meso-2,6-diaminopimeloyl-D-alanyl-D-alanine