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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2006-12-19 20:22:18 UTC
Update Date2021-09-14 15:47:04 UTC
HMDB IDHMDB0005772
Secondary Accession Numbers
  • HMDB05772
Metabolite Identification
Common NamePostin
DescriptionPostin belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds. Postin has been detected, but not quantified in, a few different foods, such as anatidaes (Anatidae), chickens (Gallus gallus), and domestic pigs (Sus scrofa domestica). This could make postin a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on Postin.
Structure
Thumb
Synonyms
ValueSource
Des(1-4)-cystatin CHMDB
N-Terminal tetrapeptide cystatin cHMDB
Lys-pro-pro-argMeSH, HMDB
Cystatin C, N-terminal tetrapeptideMeSH, HMDB
Cystatin C, des(1-4)MeSH, HMDB
De-(1-4)-cystatin CMeSH, HMDB
(2S)-2-{[(2S)-6-amino-1-hydroxy-2-({hydroxy[(2S)-1-[(2S)-pyrrolidine-2-carbonyl]pyrrolidin-2-yl]methylidene}amino)hexylidene]amino}-5-carbamimidamidopentanoateGenerator, HMDB
PostinMeSH
Chemical FormulaC22H40N8O5
Average Molecular Weight496.6036
Monoisotopic Molecular Weight496.31216643
IUPAC Name(2S)-2-[(2S)-6-amino-2-{[(2S)-1-[(2S)-pyrrolidine-2-carbonyl]pyrrolidin-2-yl]formamido}hexanamido]-5-carbamimidamidopentanoic acid
Traditional Name(2S)-2-[(2S)-6-amino-2-{[(2S)-1-[(2S)-pyrrolidine-2-carbonyl]pyrrolidin-2-yl]formamido}hexanamido]-5-carbamimidamidopentanoic acid
CAS Registry Number103745-46-6
SMILES
NCCCC[C@H](NC(=O)[C@@H]1CCCN1C(=O)[C@@H]1CCCN1)C(=O)N[C@@H](CCCNC(N)=N)C(O)=O
InChI Identifier
InChI=1S/C22H40N8O5/c23-10-2-1-6-14(18(31)29-16(21(34)35)8-4-12-27-22(24)25)28-19(32)17-9-5-13-30(17)20(33)15-7-3-11-26-15/h14-17,26H,1-13,23H2,(H,28,32)(H,29,31)(H,34,35)(H4,24,25,27)/t14-,15-,16-,17-/m0/s1
InChI KeyWUUNPBLZLWVARQ-QAETUUGQSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentOligopeptides
Alternative Parents
Substituents
  • Alpha-oligopeptide
  • Proline or derivatives
  • N-acyl-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • N-acyl-l-alpha-amino acid
  • Alpha-amino acid amide
  • N-substituted-alpha-amino acid
  • Alpha-amino acid or derivatives
  • N-acylpyrrolidine
  • Pyrrolidine carboxylic acid or derivatives
  • Pyrrolidine-2-carboxamide
  • Heterocyclic fatty acid
  • Fatty amide
  • N-acyl-amine
  • Fatty acyl
  • Fatty acid
  • Tertiary carboxylic acid amide
  • Pyrrolidine
  • Secondary carboxylic acid amide
  • Amino acid or derivatives
  • Carboxamide group
  • Guanidine
  • Amino acid
  • Organoheterocyclic compound
  • Organic 1,3-dipolar compound
  • Propargyl-type 1,3-dipolar organic compound
  • Carboximidamide
  • Secondary amine
  • Carboxylic acid
  • Secondary aliphatic amine
  • Monocarboxylic acid or derivatives
  • Azacycle
  • Organic oxygen compound
  • Carbonyl group
  • Organic oxide
  • Primary aliphatic amine
  • Organopnictogen compound
  • Organic nitrogen compound
  • Primary amine
  • Hydrocarbon derivative
  • Amine
  • Organonitrogen compound
  • Organooxygen compound
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
Predicted Chromatographic Properties
Spectra
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB023762
KNApSAcK IDC00015029
Chemspider ID113851
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound128439
PDB IDNot Available
ChEBI ID176180
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available