Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB000638
Identification
Name: D-Ribulose 5-phosphate
Description:D-Ribulose 5-phosphate is a metabolite in the Pentose phosphate pathway. It is also involved in pentose and glucuronate interconversions, and in Riboflavin metabolism (KEGG)
Structure
Thumb
Synonyms:
  • a-D-Ribose 5-phosphate
  • a-D-Ribose 5-phosphoric acid
  • Alpha-D-Ribose 5-phosphate
  • alpha-D-Ribose 5-phosphoric acid
  • D-Ribulose 5-phosphate
  • D-Ribulose 5-phosphoric acid
  • D-Ribulose-5-P
  • Erythro-Pentulose 5-phosphate
  • erythro-Pentulose 5-phosphoric acid
  • Ribulose 5-phosphate
  • Ribulose 5-phosphoric acid
  • Ribulose phosphate
  • Ribulose phosphoric acid
  • Ribulose-5-P
  • Ribulose-5P
  • Ru5P
  • α-D-Ribose 5-phosphate
  • α-D-Ribose 5-phosphoric acid
Chemical Formula: C5H11O8P
Average Molecular Weight: 230.1098
Monoisotopic Molecular Weight: 230.01915384
InChI Key: FNZLKVNUWIIPSJ-UHNVWZDZSA-N
InChI:InChI=1S/C5H11O8P/c6-1-3(7)5(9)4(8)2-13-14(10,11)12/h4-6,8-9H,1-2H2,(H2,10,11,12)/t4-,5+/m1/s1
CAS number: 4151-19-3
IUPAC Name:{[(2R,3R)-2,3,5-trihydroxy-4-oxopentyl]oxy}phosphonic acid
Traditional IUPAC Name: Ara
SMILES:OCC(=O)[C@H](O)[C@H](O)COP(O)(O)=O
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as monosaccharide phosphates. These are monosaccharides comprising a phosphated group linked to the carbohydrate unit.
Kingdom Organic compounds
Super ClassOrganooxygen compounds
Class Carbohydrates and carbohydrate conjugates
Sub ClassMonosaccharides
Direct Parent Monosaccharide phosphates
Alternative Parents
Substituents
  • Monosaccharide phosphate
  • Monoalkyl phosphate
  • Alkyl phosphate
  • Phosphoric acid ester
  • Organic phosphoric acid derivative
  • Organic phosphate
  • Beta-hydroxy ketone
  • Beta-ketoaldehyde
  • Acyloin
  • Alpha-hydroxy ketone
  • Secondary alcohol
  • Polyol
  • Ketone
  • 1,2-diol
  • Hydrocarbon derivative
  • Primary alcohol
  • Carbonyl group
  • Alcohol
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
Physical Properties
State: Solid
Charge:-2
Melting point: Not Available
Experimental Properties:
PropertyValueSource
Predicted Properties
PropertyValueSource
Water Solubility26.1 mg/mLALOGPS
logP-1.8ALOGPS
logP-2.8ChemAxon
logS-0.95ALOGPS
pKa (Strongest Acidic)1.48ChemAxon
pKa (Strongest Basic)-3.3ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count7ChemAxon
Hydrogen Donor Count5ChemAxon
Polar Surface Area144.52 Å2ChemAxon
Rotatable Bond Count6ChemAxon
Refractivity42.47 m3·mol-1ChemAxon
Polarizability17.86 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Cytoplasm
Reactions:
Pathways:
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-MS (1 MEOX; 5 TMS)splash10-0a4i-2936000000-adde71232cd79c7c92aaView in MoNA
GC-MSGC-MS Spectrum - GC-MS (1 MEOX; 5 TMS)splash10-0a4i-2947000000-ae4da5853e1b24392d1dView in MoNA
GC-MSGC-MS Spectrum - GC-MSNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-01q9-3790000000-6f5913e9948fa7667e41View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0btd-9710000000-3724bb9f611bbdc1fe11View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-9200000000-8bc9cecb2dddad8ca5e3View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-002r-9520000000-c36fdbcc1d3b19b2fafdView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-004i-9100000000-b67b8ea484aa4ddb40e3View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-004i-9000000000-82b17cf4f5a8c927fe64View in MoNA
References
References:
  • Bennett, B. D., Kimball, E. H., Gao, M., Osterhout, R., Van Dien, S. J., Rabinowitz, J. D. (2009). "Absolute metabolite concentrations and implied enzyme active site occupancy in Escherichia coli." Nat Chem Biol 5:593-599. Pubmed: 19561621
  • Ishii, N., Nakahigashi, K., Baba, T., Robert, M., Soga, T., Kanai, A., Hirasawa, T., Naba, M., Hirai, K., Hoque, A., Ho, P. Y., Kakazu, Y., Sugawara, K., Igarashi, S., Harada, S., Masuda, T., Sugiyama, N., Togashi, T., Hasegawa, M., Takai, Y., Yugi, K., Arakawa, K., Iwata, N., Toya, Y., Nakayama, Y., Nishioka, T., Shimizu, K., Mori, H., Tomita, M. (2007). "Multiple high-throughput analyses monitor the response of E. coli to perturbations." Science 316:593-597. Pubmed: 17379776
  • Kanehisa, M., Goto, S., Sato, Y., Furumichi, M., Tanabe, M. (2012). "KEGG for integration and interpretation of large-scale molecular data sets." Nucleic Acids Res 40:D109-D114. Pubmed: 22080510
  • Keseler, I. M., Collado-Vides, J., Santos-Zavaleta, A., Peralta-Gil, M., Gama-Castro, S., Muniz-Rascado, L., Bonavides-Martinez, C., Paley, S., Krummenacker, M., Altman, T., Kaipa, P., Spaulding, A., Pacheco, J., Latendresse, M., Fulcher, C., Sarker, M., Shearer, A. G., Mackie, A., Paulsen, I., Gunsalus, R. P., Karp, P. D. (2011). "EcoCyc: a comprehensive database of Escherichia coli biology." Nucleic Acids Res 39:D583-D590. Pubmed: 21097882
Synthesis Reference: Wong, Chi-Huey; McCurry, Stephen D.; Whitesides, George M. Practical enzymic syntheses of ribulose 1,5 bisphosphate and ribose 5-phosphate. Journal of the American Chemical Society (1980), 102(27), 7938-9.
Material Safety Data Sheet (MSDS) Download (PDF)
External Links:
ResourceLink
CHEBI ID17797
HMDB IDHMDB00618
Pubchem Compound ID439167
Kegg IDC00199
ChemSpider ID388327
WikipediaRibulose 5-phosphate
BioCyc IDRIBULOSE-5P
EcoCyc IDRIBULOSE-5P
Ligand Expo5RP

Enzymes

General function:
Involved in 3,4-dihydroxy-2-butanone-4-phosphate synthase activity
Specific function:
Catalyzes the conversion of D-ribulose 5-phosphate to formate and 3,4-dihydroxy-2-butanone 4-phosphate
Gene Name:
ribB
Locus Tag:
PA4054
Molecular weight:
39.4 kDa
Reactions
D-ribulose 5-phosphate = formate + L-3,4-dihydroxybutan-2-one 4-phosphate.
General function:
Involved in ribose-5-phosphate isomerase activity
Specific function:
D-ribose 5-phosphate = D-ribulose 5-phosphate
Gene Name:
rpiA
Locus Tag:
PA0330
Molecular weight:
23.7 kDa
Reactions
D-ribose 5-phosphate = D-ribulose 5-phosphate.
General function:
Involved in catalytic activity
Specific function:
D-ribulose 5-phosphate = D-xylulose 5- phosphate
Gene Name:
rpe
Locus Tag:
PA0607
Molecular weight:
24.1 kDa
Reactions
D-ribulose 5-phosphate = D-xylulose 5-phosphate.
General function:
Involved in protein binding
Specific function:
Catalyzes the interconversion of D-arabinose 5-phosphate and D-ribulose 5-phosphate
Gene Name:
kdsD
Locus Tag:
PA4457
Molecular weight:
34.2 kDa
Reactions
D-arabinose 5-phosphate = D-ribulose 5-phosphate.