Page last updated: 2024-12-05

n 0840

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

N(6)-cyclopentyl-9-methyladenine: selective, orally active A(1) adenosine receptor antagonist [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID4401
CHEMBL ID48278
SCHEMBL ID1322040
MeSH IDM0215642

Synonyms (32)

Synonym
n(6)-cyclopentyl-9-methyladenine
9h-purin-6-amine, n-cyclopentyl-9-methyl-
EU-0100921
LOPAC0_000921
NCGC00015717-01
lopac-n-154
NCGC00094232-03
n6-cyclopentyl-9-methyladenine
NCGC00094232-01
NCGC00094232-02
n 0840
NCGC00015717-02
N-154
n-0840 ,
CHEMBL48278 ,
L005913
bdbm50009698
cyclopentyl-(9-methyl-9h-purin-6-yl)-amine
n-cyclopentyl-9-methylpurin-6-amine
109292-91-3
SCHEMBL1322040
CCG-205003
NCGC00015717-03
NCGC00015717-04
DTXSID60148871
9h-purin-6-amine,n-cyclopentyl-9-methyl-
SR-01000075226-1
sr-01000075226
n0840
n6 -cyclopentyl-9-methyl adenine
LZMRVYPPUVMKOI-UHFFFAOYSA-N
Z990830566

Research Excerpts

Dosage Studied

ExcerptRelevanceReference
" Dose-response curves to CPA were shallower and maximal responses were weaker than those produced by the other agonists."( Interactions of adenosine A1 receptor-mediated renal vasoconstriction with endogenous nitric oxide and ANG II.
Barrett, RJ; Droppleman, DA, 1993
)
0.29
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Protein Targets (31)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
NFKB1 protein, partialHomo sapiens (human)Potency0.39810.02827.055915.8489AID895; AID928
ThrombopoietinHomo sapiens (human)Potency10.00000.02517.304831.6228AID917; AID918
cytochrome P450 2D6 isoform 1Homo sapiens (human)Potency19.95260.00207.533739.8107AID891
peripheral myelin protein 22 isoform 1Homo sapiens (human)Potency75.686323.934123.934123.9341AID1967
potassium voltage-gated channel subfamily H member 2 isoform dHomo sapiens (human)Potency1.41250.01789.637444.6684AID588834
DNA polymerase iota isoform a (long)Homo sapiens (human)Potency0.00350.050127.073689.1251AID588590
cytochrome P450 3A4 isoform 1Homo sapiens (human)Potency25.11890.031610.279239.8107AID884; AID885
lethal factor (plasmid)Bacillus anthracis str. A2012Potency31.62280.020010.786931.6228AID912
pyruvate kinase PKM isoform bHomo sapiens (human)Potency0.00632.511912.262825.1189AID954; AID958
Gamma-aminobutyric acid receptor subunit piRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit beta-1Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit deltaRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit gamma-2Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-5Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-3Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit gamma-1Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-2Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-4Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit gamma-3Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-6Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-1Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit beta-3Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit beta-2Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
GABA theta subunitRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit epsilonRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Inhibition Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Adenosine receptor A1Rattus norvegicus (Norway rat)Ki0.27160.00011.20929.9700AID31882; AID31883; AID32481; AID32633
Adenosine receptor A3Rattus norvegicus (Norway rat)Ki1,330.00000.00030.91969.0000AID33487
Adenosine receptor A2bRattus norvegicus (Norway rat)Ki25.00000.00061.353610.0000AID156497
Adenosine receptor A1Homo sapiens (human)Ki1.13300.00020.931610.0000AID238847; AID30447
Adenosine receptor A2aRattus norvegicus (Norway rat)Ki18.00000.00021.494010.0000AID156497; AID33942
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (51)

Processvia Protein(s)Taxonomy
temperature homeostasisAdenosine receptor A1Homo sapiens (human)
response to hypoxiaAdenosine receptor A1Homo sapiens (human)
G protein-coupled adenosine receptor signaling pathwayAdenosine receptor A1Homo sapiens (human)
regulation of respiratory gaseous exchange by nervous system processAdenosine receptor A1Homo sapiens (human)
negative regulation of acute inflammatory responseAdenosine receptor A1Homo sapiens (human)
negative regulation of leukocyte migrationAdenosine receptor A1Homo sapiens (human)
positive regulation of peptide secretionAdenosine receptor A1Homo sapiens (human)
positive regulation of systemic arterial blood pressureAdenosine receptor A1Homo sapiens (human)
negative regulation of systemic arterial blood pressureAdenosine receptor A1Homo sapiens (human)
regulation of glomerular filtrationAdenosine receptor A1Homo sapiens (human)
protein targeting to membraneAdenosine receptor A1Homo sapiens (human)
phagocytosisAdenosine receptor A1Homo sapiens (human)
inflammatory responseAdenosine receptor A1Homo sapiens (human)
signal transductionAdenosine receptor A1Homo sapiens (human)
adenylate cyclase-inhibiting G protein-coupled receptor signaling pathwayAdenosine receptor A1Homo sapiens (human)
cell-cell signalingAdenosine receptor A1Homo sapiens (human)
nervous system developmentAdenosine receptor A1Homo sapiens (human)
negative regulation of cell population proliferationAdenosine receptor A1Homo sapiens (human)
response to inorganic substanceAdenosine receptor A1Homo sapiens (human)
negative regulation of glutamate secretionAdenosine receptor A1Homo sapiens (human)
response to purine-containing compoundAdenosine receptor A1Homo sapiens (human)
lipid catabolic processAdenosine receptor A1Homo sapiens (human)
negative regulation of synaptic transmission, GABAergicAdenosine receptor A1Homo sapiens (human)
positive regulation of nucleoside transportAdenosine receptor A1Homo sapiens (human)
negative regulation of neurotrophin productionAdenosine receptor A1Homo sapiens (human)
positive regulation of protein dephosphorylationAdenosine receptor A1Homo sapiens (human)
vasodilationAdenosine receptor A1Homo sapiens (human)
negative regulation of circadian sleep/wake cycle, non-REM sleepAdenosine receptor A1Homo sapiens (human)
negative regulation of apoptotic processAdenosine receptor A1Homo sapiens (human)
positive regulation of potassium ion transportAdenosine receptor A1Homo sapiens (human)
positive regulation of MAPK cascadeAdenosine receptor A1Homo sapiens (human)
negative regulation of hormone secretionAdenosine receptor A1Homo sapiens (human)
cognitionAdenosine receptor A1Homo sapiens (human)
leukocyte migrationAdenosine receptor A1Homo sapiens (human)
detection of temperature stimulus involved in sensory perception of painAdenosine receptor A1Homo sapiens (human)
negative regulation of lipid catabolic processAdenosine receptor A1Homo sapiens (human)
positive regulation of lipid catabolic processAdenosine receptor A1Homo sapiens (human)
regulation of sensory perception of painAdenosine receptor A1Homo sapiens (human)
negative regulation of synaptic transmission, glutamatergicAdenosine receptor A1Homo sapiens (human)
fatty acid homeostasisAdenosine receptor A1Homo sapiens (human)
excitatory postsynaptic potentialAdenosine receptor A1Homo sapiens (human)
long-term synaptic depressionAdenosine receptor A1Homo sapiens (human)
mucus secretionAdenosine receptor A1Homo sapiens (human)
negative regulation of mucus secretionAdenosine receptor A1Homo sapiens (human)
triglyceride homeostasisAdenosine receptor A1Homo sapiens (human)
regulation of cardiac muscle cell contractionAdenosine receptor A1Homo sapiens (human)
apoptotic signaling pathwayAdenosine receptor A1Homo sapiens (human)
regulation of presynaptic cytosolic calcium ion concentrationAdenosine receptor A1Homo sapiens (human)
negative regulation of long-term synaptic potentiationAdenosine receptor A1Homo sapiens (human)
negative regulation of long-term synaptic depressionAdenosine receptor A1Homo sapiens (human)
G protein-coupled receptor signaling pathwayAdenosine receptor A1Homo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (8)

Processvia Protein(s)Taxonomy
G protein-coupled receptor bindingAdenosine receptor A1Homo sapiens (human)
purine nucleoside bindingAdenosine receptor A1Homo sapiens (human)
protein bindingAdenosine receptor A1Homo sapiens (human)
heat shock protein bindingAdenosine receptor A1Homo sapiens (human)
G-protein beta/gamma-subunit complex bindingAdenosine receptor A1Homo sapiens (human)
heterotrimeric G-protein bindingAdenosine receptor A1Homo sapiens (human)
protein heterodimerization activityAdenosine receptor A1Homo sapiens (human)
G protein-coupled adenosine receptor activityAdenosine receptor A1Homo sapiens (human)
G protein-coupled adenosine receptor activityAdenosine receptor A2aRattus norvegicus (Norway rat)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (14)

Processvia Protein(s)Taxonomy
plasma membraneGamma-aminobutyric acid receptor subunit gamma-2Rattus norvegicus (Norway rat)
plasma membraneAdenosine receptor A1Homo sapiens (human)
plasma membraneAdenosine receptor A1Homo sapiens (human)
basolateral plasma membraneAdenosine receptor A1Homo sapiens (human)
axolemmaAdenosine receptor A1Homo sapiens (human)
asymmetric synapseAdenosine receptor A1Homo sapiens (human)
presynaptic membraneAdenosine receptor A1Homo sapiens (human)
neuronal cell bodyAdenosine receptor A1Homo sapiens (human)
terminal boutonAdenosine receptor A1Homo sapiens (human)
dendritic spineAdenosine receptor A1Homo sapiens (human)
calyx of HeldAdenosine receptor A1Homo sapiens (human)
postsynaptic membraneAdenosine receptor A1Homo sapiens (human)
presynaptic active zoneAdenosine receptor A1Homo sapiens (human)
synapseAdenosine receptor A1Homo sapiens (human)
dendriteAdenosine receptor A1Homo sapiens (human)
Golgi membraneAdenosine receptor A2aRattus norvegicus (Norway rat)
plasma membraneGamma-aminobutyric acid receptor subunit alpha-1Rattus norvegicus (Norway rat)
plasma membraneGamma-aminobutyric acid receptor subunit beta-2Rattus norvegicus (Norway rat)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (25)

Assay IDTitleYearJournalArticle
AID31106Forskolin-induced cAMP production at human Adenosine A1 receptor receptor2002Journal of medicinal chemistry, Apr-25, Volume: 45, Issue:9
5'-Deoxy congeners of 9-(3-amido-3-deoxy-beta-D-xylofuranosyl)-N(6)-cyclopentyladenine: new adenosine A(1) receptor antagonists and inverse agonists.
AID230931Ratio of the binding affinities against rat brain A2a and A3 receptors, KiA2a/KiA3.1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Structure-activity relationships of 9-alkyladenine and ribose-modified adenosine derivatives at rat A3 adenosine receptors.
AID244276Percent displacement of [125I]AB-MECA binding to human adenosine A3 receptor expressed in HEK 293 cells at 1 uM2005Journal of medicinal chemistry, Mar-24, Volume: 48, Issue:6
A series of ligands displaying a remarkable agonistic-antagonistic profile at the adenosine A1 receptor.
AID31883Binding affinity at rat Adenosine A1 receptor in the presence of GTP2002Journal of medicinal chemistry, Apr-25, Volume: 45, Issue:9
5'-Deoxy congeners of 9-(3-amido-3-deoxy-beta-D-xylofuranosyl)-N(6)-cyclopentyladenine: new adenosine A(1) receptor antagonists and inverse agonists.
AID32633Binding affinity against adenosine A1 receptor from rat brain.1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Structure-activity relationships of 9-alkyladenine and ribose-modified adenosine derivatives at rat A3 adenosine receptors.
AID277891Activity at human adenosine A1 receptor expressed in CHO cells assessed as effect on forskolin-stimulated cAMP production at 100 uM2007Journal of medicinal chemistry, Feb-22, Volume: 50, Issue:4
2,6,8-trisubstituted 1-deazapurines as adenosine receptor antagonists.
AID238847Displacement of [3H]DPCPX binding to human adenosine A1 receptor expressed in CHO cells2005Journal of medicinal chemistry, Mar-24, Volume: 48, Issue:6
A series of ligands displaying a remarkable agonistic-antagonistic profile at the adenosine A1 receptor.
AID33942Binding affinity against adenosine A2A receptor from rat brain.1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Structure-activity relationships of 9-alkyladenine and ribose-modified adenosine derivatives at rat A3 adenosine receptors.
AID32339Binding affinity against adenosine A1 receptor in rat cortex by using [3H]- PIA as a radioligand1991Journal of medicinal chemistry, Sep, Volume: 34, Issue:9
N6,9-disubstituted adenines: potent, selective antagonists at the A1 adenosine receptor.
AID239435Displacement of [3H]-ZM 241385 binding to human adenosine A2A receptor expressed in CHO cells; nd denotes 'Not determined'2005Journal of medicinal chemistry, Mar-24, Volume: 48, Issue:6
A series of ligands displaying a remarkable agonistic-antagonistic profile at the adenosine A1 receptor.
AID31882Binding affinity at rat Adenosine A1 receptor in the absence of GTP2002Journal of medicinal chemistry, Apr-25, Volume: 45, Issue:9
5'-Deoxy congeners of 9-(3-amido-3-deoxy-beta-D-xylofuranosyl)-N(6)-cyclopentyladenine: new adenosine A(1) receptor antagonists and inverse agonists.
AID230930Ratio of the binding affinities against rat brain A1 and A3 receptors, KiA1/KiA3.1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Structure-activity relationships of 9-alkyladenine and ribose-modified adenosine derivatives at rat A3 adenosine receptors.
AID30447Binding affinity at human Adenosine A1 receptor expressed in CHO cells2002Journal of medicinal chemistry, Apr-25, Volume: 45, Issue:9
5'-Deoxy congeners of 9-(3-amido-3-deoxy-beta-D-xylofuranosyl)-N(6)-cyclopentyladenine: new adenosine A(1) receptor antagonists and inverse agonists.
AID32481GTP-induced shift at rat Adenosine A1 receptor (A1AR)2002Journal of medicinal chemistry, Apr-25, Volume: 45, Issue:9
5'-Deoxy congeners of 9-(3-amido-3-deoxy-beta-D-xylofuranosyl)-N(6)-cyclopentyladenine: new adenosine A(1) receptor antagonists and inverse agonists.
AID33487Binding affinity against adenosine A3 receptor from rat brain.1995Journal of medicinal chemistry, May-12, Volume: 38, Issue:10
Structure-activity relationships of 9-alkyladenine and ribose-modified adenosine derivatives at rat A3 adenosine receptors.
AID524796Antiplasmodial activity against Plasmodium falciparum W2 after 72 hrs by SYBR green assay2009Nature chemical biology, Oct, Volume: 5, Issue:10
Genetic mapping of targets mediating differential chemical phenotypes in Plasmodium falciparum.
AID33597Binding affinity against adenosine A2 receptor in rat striatum by using [3H]NECA as a radioligand1991Journal of medicinal chemistry, Sep, Volume: 34, Issue:9
N6,9-disubstituted adenines: potent, selective antagonists at the A1 adenosine receptor.
AID156497Tested for inhibition of rat PC12 adenylate cyclase stimulation by using NECA as a radioligand1991Journal of medicinal chemistry, Sep, Volume: 34, Issue:9
N6,9-disubstituted adenines: potent, selective antagonists at the A1 adenosine receptor.
AID521220Inhibition of neurosphere proliferation of mouse neural precursor cells by MTT assay2007Nature chemical biology, May, Volume: 3, Issue:5
Chemical genetics reveals a complex functional ground state of neural stem cells.
AID232961It is the ratio of Ki value of A1 receptor to that of A2 receptor.1991Journal of medicinal chemistry, Sep, Volume: 34, Issue:9
N6,9-disubstituted adenines: potent, selective antagonists at the A1 adenosine receptor.
AID252601Effect on forskolin-induced cAMP levels at human A1 adenosine receptor compared to CPA (full agonist, 100% inhibition) and DPCPX(full inverse agonist, 100% stimulation)2005Journal of medicinal chemistry, Mar-24, Volume: 48, Issue:6
A series of ligands displaying a remarkable agonistic-antagonistic profile at the adenosine A1 receptor.
AID233160Hydrophobicity index1991Journal of medicinal chemistry, Sep, Volume: 34, Issue:9
N6,9-disubstituted adenines: potent, selective antagonists at the A1 adenosine receptor.
AID1347154Primary screen GU AMC qHTS for Zika virus inhibitors2020Proceedings of the National Academy of Sciences of the United States of America, 12-08, Volume: 117, Issue:49
Therapeutic candidates for the Zika virus identified by a high-throughput screen for Zika protease inhibitors.
AID1508630Primary qHTS for small molecule stabilizers of the endoplasmic reticulum resident proteome: Secreted ER Calcium Modulated Protein (SERCaMP) assay2021Cell reports, 04-27, Volume: 35, Issue:4
A target-agnostic screen identifies approved drugs to stabilize the endoplasmic reticulum-resident proteome.
AID1159607Screen for inhibitors of RMI FANCM (MM2) intereaction2016Journal of biomolecular screening, Jul, Volume: 21, Issue:6
A High-Throughput Screening Strategy to Identify Protein-Protein Interaction Inhibitors That Block the Fanconi Anemia DNA Repair Pathway.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (14)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's4 (28.57)18.2507
2000's7 (50.00)29.6817
2010's1 (7.14)24.3611
2020's2 (14.29)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 11.83

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be weak demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index11.83 (24.57)
Research Supply Index2.71 (2.92)
Research Growth Index4.54 (4.65)
Search Engine Demand Index0.00 (26.88)
Search Engine Supply Index0.00 (0.95)

This Compound (11.83)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews0 (0.00%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other14 (100.00%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]