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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2007-05-30 12:04:10 UTC
Update Date2022-09-22 18:34:55 UTC
HMDB IDHMDB0006695
Secondary Accession Numbers
  • HMDB0029018
  • HMDB06695
  • HMDB29018
Metabolite Identification
Common NameProlylhydroxyproline
DescriptionProlylhydroxyproline is a dipeptide. Prolylhydroxyproline is a marker of bone collagen degradation, showing high sensitivity for the diagnosis of osteoporosis. Prolylhydroxyproline has been suggested as a possible alternative to hydroxyproline determination in bone resorption studies. Prolylhydroxyproline is one of the iminodipeptides present in the urine of patients with prolidase deficiency. Prolidase (X-Pro dipeptidase EC 3.4.13.9) splits iminodipeptides containing C-terminal proline or hydroxyproline (X-Pro or X-Hyp) to X+Pro or X+Hyp. Prolidase deficiency is a rare autosomal recessive disease characterized by chronic ulcerative dermatitis and mental retardation. These patients excrete large amounts of iminodipeptides containing C-terminal proline in the urine due to hereditary prolidase deficiency (PMID: 12636053 , 11863289 , 2387877 , 1874885 , 9586797 ).
Structure
Thumb
Synonyms
ValueSource
L-Pro-L-hypChEBI
L-Prolyl-L-hydroxyprolineChEBI
(4R)-L-Prolyl-4-hydroxy-L-prolineHMDB
4-Hydroxy-1-L-prolyl-prolineHMDB
L-4-Hydroxy-1-L-prolyl-prolineHMDB
Proline-hydroxyprolineHMDB
trans-4-Hydroxy-1-L-prolyl-prolineHMDB
ProlylhydroxyprolineChEBI
Pro-hydroxy-ProHMDB
Pro-HypHMDB
Proline hydroxyproline dipeptideHMDB
Proline-hydroxyproline dipeptideHMDB
Chemical FormulaC10H16N2O4
Average Molecular Weight228.245
Monoisotopic Molecular Weight228.11100701
IUPAC Name(2S,4R)-4-hydroxy-1-[(2S)-pyrrolidine-2-carbonyl]pyrrolidine-2-carboxylic acid
Traditional Nameproline-hydroxyproline
CAS Registry Number18684-24-7
SMILES
O[C@@H]1C[C@H](N(C1)C(=O)[C@@H]1CCCN1)C(O)=O
InChI Identifier
InChI=1S/C10H16N2O4/c13-6-4-8(10(15)16)12(5-6)9(14)7-2-1-3-11-7/h6-8,11,13H,1-5H2,(H,15,16)/t6-,7+,8+/m1/s1
InChI KeyONPXCLZMBSJLSP-CSMHCCOUSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as dipeptides. These are organic compounds containing a sequence of exactly two alpha-amino acids joined by a peptide bond.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentDipeptides
Alternative Parents
Substituents
  • Alpha-dipeptide
  • N-acyl-alpha-amino acid
  • N-acyl-alpha amino acid or derivatives
  • Proline or derivatives
  • N-acyl-l-alpha-amino acid
  • Alpha-amino acid amide
  • Alpha-amino acid or derivatives
  • N-acylpyrrolidine
  • Pyrrolidine carboxylic acid
  • Pyrrolidine carboxylic acid or derivatives
  • Pyrrolidine-2-carboxamide
  • Tertiary carboxylic acid amide
  • Pyrrolidine
  • Secondary alcohol
  • Amino acid
  • Amino acid or derivatives
  • Carboxamide group
  • Secondary amine
  • Azacycle
  • Organoheterocyclic compound
  • Carboxylic acid
  • Secondary aliphatic amine
  • Monocarboxylic acid or derivatives
  • Hydrocarbon derivative
  • Organopnictogen compound
  • Organic oxide
  • Alcohol
  • Organonitrogen compound
  • Carbonyl group
  • Organooxygen compound
  • Amine
  • Organic nitrogen compound
  • Organic oxygen compound
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
Role
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 Locations
  • Blood
  • Cerebrospinal Fluid (CSF)
  • Sweat
  • Urine
Tissue Locations
  • Placenta
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal details
Cerebrospinal Fluid (CSF)Detected and Quantified0.87 +/- 1.0 uMAdult (>18 years old)BothNormal details
UrineDetected and Quantified4.8-9.4 umol/mmol creatinineAdult (>18 years old)FemaleNormal details
UrineDetected and Quantified4.5-7.7 umol/mmol creatinineAdult (>18 years old)MaleNormal details
UrineDetected and Quantified2.4-25.6 umol/mmol creatinineAdult (>18 years old)BothNormal details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
Cerebrospinal Fluid (CSF)Detected and Quantified0.086 +/- 0.016 uMAdult (>18 years old)BothAlzheimer's disease details
SweatDetected but not QuantifiedNot QuantifiedInfant (0-1 year old)Not Specifiedscreen-positive CF details
UrineDetected but not QuantifiedNot QuantifiedAdult (>18 years old)FemaleEpithelial ovarian cancer details
Associated Disorders and Diseases
Disease References
Alzheimer's disease
  1. Fonteh AN, Harrington RJ, Tsai A, Liao P, Harrington MG: Free amino acid and dipeptide changes in the body fluids from Alzheimer's disease subjects. Amino Acids. 2007 Feb;32(2):213-24. Epub 2006 Oct 10. [PubMed:17031479 ]
Cystic fibrosis
  1. Adriana Nori de Macedo. Robust capillary electrophoresis methods for biomarker discovery and routine measurements in clinical and epidemiological applications. March 2017 [Link]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB024028
KNApSAcK IDNot Available
Chemspider ID10077215
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound11902892
PDB IDNot Available
ChEBI ID74767
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDMDB00000488
Good Scents IDNot Available
References
Synthesis Referenceustova, V.; Blaha, Karel. Amino acids and peptides. CXXVI. Dipeptides containing proline and 4-hydroxyproline. Collection of Czechoslovak Chemical Communications (1975), 40(3), 662-9.
Material Safety Data Sheet (MSDS)Not Available
General References