Bovine Metabolome Database: Showing metabocard for Hypoxanthine (BMDB0000157)

Identification Taxonomy Physical properties Pathways Spectra Concentrations Links References enzymes (3) Show 3 proteins XML

Record Information

Version

1.0

Creation Date

2016-09-30 22:20:17 UTC

Update Date

2020-06-04 20:52:01 UTC

BMDB ID

BMDB0000157

Secondary Accession Numbers

BMDB00157

Metabolite Identification

Common Name

Hypoxanthine

Description

Hypoxanthine, also known as purine-6-ol or Hyp, belongs to the class of organic compounds known as hypoxanthines. Hypoxanthines are compounds containing the purine derivative 1H-purin-6(9H)-one. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring. Hypoxanthine exists as a solid, possibly soluble (in water), and a moderately basic compound (based on its pKa) molecule. Hypoxanthine exists in all living species, ranging from bacteria to humans. Hypoxanthine is a potentially toxic compound.

Structure

MOL SDF PDB SMILES InChI

Synonyms

Value	Source
6(1H)-Purinone	ChEBI
6-Oxopurine	ChEBI
9H-Purin-6(1H)-one	ChEBI
Hyp	ChEBI
Purin-6(1H)-one	ChEBI
Purine-6-ol	ChEBI
1,7-Dihydro-6H-purin-6-one	HMDB
1,7-Dihydro-6H-purine-6-one	HMDB
1H,7H-Hypoxanthine	HMDB
3H-Purin-6-ol	HMDB
4-Hydroxy-1H-purine	HMDB
6-Hydroxy-1H-purine	HMDB
6-Hydroxypurine	HMDB
7H-Purin-6-ol	HMDB
9H-Purin-6-ol	HMDB
Hypoxanthine enol	HMDB
Purin-6(3H)-one	HMDB
Purin-6-ol	HMDB
Sarcine	HMDB
Sarkin	HMDB
Sarkine	HMDB

Chemical Formula

C₅H₄N₄O

Average Molecular Weight

136.1115

Monoisotopic Molecular Weight

136.03851077

IUPAC Name

7H-purin-6-ol

Traditional Name

6-hydroxypurine

CAS Registry Number

68-94-0

SMILES

OC1=NC=NC2=C1NC=N2

InChI Identifier

InChI=1S/C5H4N4O/c10-5-3-4(7-1-6-3)8-2-9-5/h1-2H,(H2,6,7,8,9,10)

InChI Key

FDGQSTZJBFJUBT-UHFFFAOYSA-N

Chemical Taxonomy

Description

belongs to the class of organic compounds known as hypoxanthines. Hypoxanthines are compounds containing the purine derivative 1H-purin-6(9H)-one. Purine is a bicyclic aromatic compound made up of a pyrimidine ring fused to an imidazole ring.

Kingdom

Organic compounds

Super Class

Organoheterocyclic compounds

Class

Imidazopyrimidines

Sub Class

Purines and purine derivatives

Direct Parent

Hypoxanthines

Alternative Parents

Substituents

6-oxopurine
Hypoxanthine
Pyrimidone
Pyrimidine
Azole
Imidazole
Vinylogous amide
Heteroaromatic compound
Azacycle
Organic oxide
Organopnictogen compound
Organooxygen compound
Organonitrogen compound
Organic nitrogen compound
Organic oxygen compound
Hydrocarbon derivative
Aromatic heteropolycyclic compound

Molecular Framework

Aromatic heteropolycyclic compounds

External Descriptors

oxopurine (CHEBI:17368 )
nucleobase analogue (CHEBI:17368 )
purine nucleobase (CHEBI:17368 )
Purine alkaloids (C00262 )
a purine-related compound (HYPOXANTHINE )
a purine base (HYPOXANTHINE )

Ontology

Status

Detected and Quantified

Origin

Endogenous

Exogenous

Biofunction

Not Available

Application

Not Available

Cellular locations

Cytoplasm
Lysosome
Peroxisome

Physical Properties

State

Solid

Experimental Properties

Property	Value	Reference
Melting Point	150 °C	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	0.7 mg/mL	YALKOWSKY,SH & DANNENFELSER,RM (1992)
LogP	-1.11	HANSCH,C ET AL. (1995)

Predicted Properties

Property	Value	Source
logP	-0.55	ALOGPS
logP	-0.048	ChemAxon
logS	-1	ALOGPS
pKa (Strongest Acidic)	8.72	ChemAxon
pKa (Strongest Basic)	1.73	ChemAxon
Physiological Charge	0	ChemAxon
Hydrogen Acceptor Count	4	ChemAxon
Hydrogen Donor Count	2	ChemAxon
Polar Surface Area	74.69 Å²	ChemAxon
Rotatable Bond Count	0	ChemAxon
Refractivity	35.5 m³·mol⁻¹	ChemAxon
Polarizability	11.82 Å³	ChemAxon
Number of Rings	2	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	Yes	ChemAxon
Veber's Rule	Yes	ChemAxon
MDDR-like Rule	Yes	ChemAxon

Spectra

Spectrum Type	Description	Splash Key
GC-MS	GC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS)	splash10-0159-3970000000-0d844fae4a1ffe158823	View in MoNA
GC-MS	GC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)	splash10-014i-1790000000-ae93bf8bf07b30b65e1a	View in MoNA
GC-MS	GC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (2 TMS)	splash10-00di-9340000000-1184c503fb61344c4853	View in MoNA
GC-MS	GC-MS Spectrum - GC-MS (2 TMS)	splash10-014i-3590000000-a419976950afe7934cbc	View in MoNA
GC-MS	GC-MS Spectrum - EI-B (Non-derivatized)	splash10-000i-9800000000-9c266d6963658e9d2cf1	View in MoNA
GC-MS	GC-MS Spectrum - GC-EI-TOF (Non-derivatized)	splash10-0159-3970000000-0d844fae4a1ffe158823	View in MoNA
GC-MS	GC-MS Spectrum - GC-EI-TOF (Non-derivatized)	splash10-014i-1790000000-ae93bf8bf07b30b65e1a	View in MoNA
GC-MS	GC-MS Spectrum - GC-EI-TOF (Non-derivatized)	splash10-00di-9340000000-1184c503fb61344c4853	View in MoNA
GC-MS	GC-MS Spectrum - GC-MS (Non-derivatized)	splash10-014i-3590000000-a419976950afe7934cbc	View in MoNA
GC-MS	GC-MS Spectrum - GC-EI-TOF (Non-derivatized)	splash10-014i-2890000000-3be4d08be45781881bc1	View in MoNA
GC-MS	GC-MS Spectrum - GC-EI-TOF (Non-derivatized)	splash10-014i-1590000000-bb6f003bfa7bd04628a1	View in MoNA
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	splash10-0a5i-8900000000-e20eb5d939a2c406a6e2	View in MoNA
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positive	splash10-0613-5900000000-be0624b928ba71cc797d	View in MoNA
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positive	Not Available	View in JSpectraViewer
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (TMS_1_2) - 70eV, Positive	Not Available	View in JSpectraViewer
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (TBDMS_1_1) - 70eV, Positive	Not Available	View in JSpectraViewer
Predicted GC-MS	Predicted GC-MS Spectrum - GC-MS (TBDMS_1_2) - 70eV, Positive	Not Available	View in JSpectraViewer
LC-MS/MS	LC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)	splash10-000i-0900000000-2b36c20acd9973b317f5	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)	splash10-0api-9800000000-fb4e3cccb7d27d119feb	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)	splash10-0aor-9200000000-33c2f9eedf9a878530be	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - EI-B (HITACHI M-80) , Positive	splash10-000i-9800000000-9c266d6963658e9d2cf1	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-000i-0910000000-4da64abddc3ac8ab573a	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-014i-1900000000-859f61101b12be0b2978	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-014i-1900000000-f5d899e7988568d5bcab	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-000i-0900000000-e19e6d04568d3560eb4a	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-000i-0910000000-8def0d2ec82152826763	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-014i-2900000000-a8361951a2f702a217c7	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-000i-0900000000-3f653a7c81b328e46cb5	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Positive	splash10-014i-0080290000-be98ce43421dbf9007fa	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negative	splash10-000i-0930030000-56ea204dcb077bc174c2	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negative	splash10-0006-9000000000-4c2d1980f9e5e4b720a5	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-ITFT (LTQ Orbitrap XL, Thermo Scientfic) , Negative	splash10-000i-0900000000-26b3c93bc9dea5a88032	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negative	splash10-000i-1900000000-c367cd4c23aea0f74ecb	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negative	splash10-000l-8900000000-91e35cdcc11d357119f0	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negative	splash10-0006-9100000000-4fb8f4ee2d35aa874617	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negative	splash10-014l-9000000000-7934b3037f39d69fc40a	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Negative	splash10-014i-9000000000-ad93e267446292bf247b	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Positive	splash10-014i-9000000000-4b8f9e13ed7adf0888c2	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Positive	splash10-014i-9000000000-f295755f591e27bb9f07	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Positive	splash10-014i-9000000000-aee48a44f42a4b767844	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Positive	splash10-014i-9000000000-f5ebd92e86cf00f28cf1	View in MoNA
LC-MS/MS	LC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Positive	splash10-014i-9000000000-9a1ad1aa2d8fb621b608	View in MoNA
MS	Mass Spectrum (Electron Ionization)	splash10-000i-8900000000-ebf57ea530a2d4e31ffa	View in MoNA
1D NMR	¹H NMR Spectrum (1D, 600 MHz, H₂O, experimental)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 400 MHz, DMSO-d6, experimental)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 22.53 MHz, DMSO-d6, experimental)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, D₂O, experimental)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, D₂O, experimental)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 100 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 100 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 200 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 200 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 300 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 300 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 400 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 400 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 500 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 500 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 600 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 600 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 700 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 700 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 800 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 800 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 900 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 900 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹³C NMR Spectrum (1D, 1000 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, D₂O, predicted)	Not Available	View in JSpectraViewer
2D NMR	[¹H, ¹H]-TOCSY. Unexported temporarily by An Chi on Oct 15, 2021 until json or nmrML file is generated. 2D NMR Spectrum (experimental)	Not Available	View in JSpectraViewer
2D NMR	[¹H, ¹³C]-HSQC NMR Spectrum (2D, 600 MHz, 100%_DMSO, experimental)	Not Available	View in JSpectraViewer

Biological Properties

Cellular Locations

Cytoplasm
Lysosome
Peroxisome

Biospecimen Locations

Adipose Tissue
Colostrum
Epidermis
Erythrocyte
Fibroblasts
Intestine
Kidney
Liver
Mammary Gland
Milk
Muscle
Placenta
Platelet
Prostate Tissue
Ruminal Fluid
Skeletal Muscle
Spleen
Testis

Pathways

Name	SMPDB/Pathwhiz	KEGG
Purine Metabolism		Not Available

Normal Concentrations

Biospecimen	Status	Value	Age	Sex	Condition	Reference	Details
Adipose Tissue	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Colostrum	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 25637742	details
Epidermis	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Erythrocyte	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Fibroblasts	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Intestine	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Kidney	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Liver	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 31873721	details
Liver	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 31873721	details
Liver	Detected and Quantified	1227 +/- 156 nmol/g of tissue	Not Specified	Not Specified	Normal	Aidin Foroutan, C...	details
Liver	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 31867104	details
Mammary Gland	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 31873721	details
Mammary Gland	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 31873721	details
Milk	Detected and Quantified	7.1 uM	Not Specified	Not Specified	Normal	PMID: 6539345	details
Muscle	Detected and Quantified	1159.7 +/- 135.04 uM	Not Specified	Not Specified	Normal	PMID: 20831251	details
Muscle	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 25637742	details
Muscle	Detected and Quantified	1254.6 +/- 88.57 uM	Not Specified	Not Specified	Normal	PMID: 20831251	details
Muscle	Detected and Quantified	1497.99 +/- 57.51 uM	Not Specified	Not Specified	Normal	PMID: 20831251	details
Muscle	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	S. F. Graham, T. ...	details
Muscle	Detected and Quantified	678.18 +/- 58.48 uM	Not Specified	Not Specified	Normal	PMID: 20831251	details
Placenta	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Platelet	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Prostate Tissue	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Ruminal Fluid	Detected and Quantified	80 +/- 24 uM	Not Specified	Not Specified	Normal	Fozia Saleem, Sou...	details
Ruminal Fluid	Detected and Quantified	90 +/- 49 uM	Not Specified	Not Specified	Normal	Fozia Saleem, Sou...	details
Ruminal Fluid	Detected and Quantified	205 +/- 61 uM	Not Specified	Not Specified	Normal	Fozia Saleem, Sou...	details
Ruminal Fluid	Detected and Quantified	63 +/- 25 uM	Not Specified	Not Specified	Normal	Fozia Saleem, Sou...	details
Ruminal Fluid	Detected and Quantified	63 +/- 25 uM	Not Specified	Not Specified	Normal	Fozia Saleem, Sou...	details
Ruminal Fluid	Detected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	PMID: 25599412	details
Ruminal Fluid	Detected and Quantified	103-150 uM	Not Specified	Not Specified	Normal	PMID: 29642378	details
Ruminal Fluid	Detected and Quantified	134 uM	Not Specified	Not Specified	Normal	Burim NA, Qendrim...	details
Ruminal Fluid	Detected and Quantified	219 uM	Not Specified	Not Specified	Normal	Burim NA, Qendrim...	details
Ruminal Fluid	Detected and Quantified	220 uM	Not Specified	Not Specified	Normal	Burim NA, Qendrim...	details
Ruminal Fluid	Detected and Quantified	87.9 uM	Not Specified	Not Specified	Normal	Burim NA, Qendrim...	details
Ruminal Fluid	Detected and Quantified	753 +/- 191 uM	Not Specified	Not Specified	Normal	Aidin Foroutan, C...	details
Ruminal Fluid	Detected and Quantified	52.27 +/- 24.11 uM	Not Specified	Not Specified	Normal	Fozia Saleem, Sou...	details
Ruminal Fluid	Detected and Quantified	76.1 uM	Not Specified	Not Specified	Normal	PMID: 22959937	details
Ruminal Fluid	Detected and Quantified	85.1 uM	Not Specified	Not Specified	Normal	PMID: 22959937	details
Ruminal Fluid	Detected and Quantified	205 uM	Not Specified	Not Specified	Normal	PMID: 22959937	details
Ruminal Fluid	Detected and Quantified	52.3 uM	Not Specified	Not Specified	Normal	PMID: 22959937	details
Skeletal Muscle	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Spleen	Expected but not Quantified	Not Quantified	Not Specified	Not Specified	Normal	Not Applicable	details
Testis	Detected and Quantified	176 +/- 66 nmol/g of tissue	Not Specified	Not Specified	Normal	Aidin Foroutan, C...	details

Abnormal Concentrations

Biospecimen	Status	Value	Age	Sex	Condition	Reference	Details
Ruminal Fluid	Detected and Quantified	205.04 +/- 58.59 uM	Not Specified	Not Specified	Rumen acidosis	Fozia Saleem, Sou...	details

External Links

HMDB ID

HMDB0000157

DrugBank ID

DB04076

Phenol Explorer Compound ID

Not Available

FooDB ID

KNApSAcK ID

Chemspider ID

KEGG Compound ID

BioCyc ID

BiGG ID

Wikipedia Link

METLIN ID

PubChem Compound

790

PDB ID

Not Available

ChEBI ID

17368

References

Synthesis Reference

Shaw, Elliott.New synthesis of the purines adenine, hypoxanthine, xanthine, and isoguanine. Journal of Biological Chemistry (1950), 185 439-47.

Material Safety Data Sheet (MSDS)

Not Available

General References

Tiemeyer W, Stohrer M, Giesecke D: Metabolites of nucleic acids in bovine milk. J Dairy Sci. 1984 Apr;67(4):723-8. doi: 10.3168/jds.S0022-0302(84)81361-2. [PubMed:6539345 ]

Enzymes

Enzyme Details

1. Hypoxanthine-guanine phosphoribosyltransferase

General function:: Nucleotide transport and metabolism
Specific function:: Converts guanine to guanosine monophosphate, and hypoxanthine to inosine monophosphate. Transfers the 5-phosphoribosyl group from 5-phosphoribosylpyrophosphate onto the purine. Plays a central role in the generation of purine nucleotides through the purine salvage pathway (By similarity).
Gene Name:: HPRT1
Uniprot ID:: Q3SZ18
Molecular weight:: 24498.0

Reactions

Inosinic acid + Pyrophosphate → Hypoxanthine + Phosphoribosyl pyrophosphate	details

Enzyme Details

2. Xanthine dehydrogenase/oxidase

General function:: Nucleotide transport and metabolism
Specific function:: Key enzyme in purine degradation. Catalyzes the oxidation of hypoxanthine to xanthine. Catalyzes the oxidation of xanthine to uric acid. Contributes to the generation of reactive oxygen species.
Gene Name:: XDH
Uniprot ID:: P80457
Molecular weight:: 146790.0

Enzyme Details

3. Purine nucleoside phosphorylase

General function:: Nucleotide transport and metabolism
Specific function:: The purine nucleoside phosphorylases catalyze the phosphorolytic breakdown of the N-glycosidic bond in the beta-(deoxy)ribonucleoside molecules, with the formation of the corresponding free purine bases and pentose-1-phosphate.
Gene Name:: PNP
Uniprot ID:: P55859
Molecular weight:: 32037.0

Reactions

Inosine + Hydrogen phosphate → Hypoxanthine + Ribose 1-phosphate	details
Deoxyinosine + Hydrogen phosphate → Hypoxanthine + Deoxyribose 1-phosphate	details

Showing metabocard for Hypoxanthine (BMDB0000157)

Structure for BMDB0000157 (Hypoxanthine)

Enzymes

Reactions

Reactions