RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet ID	RM0138684
RefMet name	Leupeptin
Systematic name	(2S)-2-acetamido-N-[(1S)-1-[(1-formyl-4-guanidino-butyl)carbamoyl]-3-methyl-butyl]-4-methyl-pentanamide
Synonyms	PubChem Synonyms
Exact mass	442.290369 (neutral)	Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M+2K-H]+ [M+Na]+ [M+2Na]2+ [M+2Na-H]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M.CH3]+ [M+Ag]+ [M+H+CH3OH]+ [M+H+CH3CN]+ [M+H+2CH3CN]+ [M+Na+CH3CN]+ [M.NaFormate+H]+ [M.NH4Formate+H]+ [M.TMSi]+ [M.tBuDMSi]+ [M+H-Hexose]+ [M+H-EtnP]+ [M+H-SerP]+ [M-H]- [M-H-H2O]- [M-CH3]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+Na-2H]- [M+K-2H]- [M.Formate]- [M.NaFormate-H]- [M.NH4Formate-H]- [M.F]- [M-H-Ser]- [M.HF2]- M(neutral)    View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
Formula	C20H38N6O5	View other entries in RefMet with this formula
Molecular descriptors
Molfile	144276 (Download molfile/View MW Metabolite Database details)
InChI	InChI=1S/C20H38N6O5/c1-11(2)9-15(24-13(5)27)17(28)26-16(10-12(3)4)18(29)25-14(19(30)31)7-6-8-23-20(21)22/h11-12,14-16H,6-10H2,1-5H 3,(H,24,27)(H,25,29)(H,26,28)(H,30,31)(H4,21,22,23)/t14-,15-,16-/m0/s1
InChIKey	GDBQQVLCIARPGH-ULQDDVLXSA-N	View other enantiomers/diastereomers of this metabolite in RefMet
SMILES	CC(C)C[C@@H](C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(=N)N)C=O)NC(=O)C Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super Class	Organic acids
Main Class	Amino acids and peptides
Sub Class	Tripeptides
Distribution of Leupeptin in NMDR studies
Species	Plot Species distribution
Sample source	Plot Sample source(tissue) distribution
Platform	Platform (MS/NMR) used for detection
Chromatography	Chromatography methods used for detection
Studies	NMDR Studies reporting Leupeptin
External Links
Pubchem CID	72429
ChEBI ID	6426
KEGG ID	C01591
HMDB ID	HMDB0254042
EPA CompTox	DTXCID20199142
Spectral data for Leupeptin standards
MassBank(EU)	View MS spectra
Structural annotation level
Annotation level	1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)