UBP 282

CAS# 544697-47-4

UBP 282

Catalog No. BCC7171----Order now to get a substantial discount!

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Chemical structure

UBP 282

3D structure

Chemical Properties of UBP 282

Cas No. 544697-47-4 SDF Download SDF
PubChem ID 6604912 Appearance Powder
Formula C15H15N3O6 M.Wt 333.3
Type of Compound N/A Storage Desiccate at -20°C
Synonyms 3-CBW
Solubility Soluble to 100 mM in 1eq. NaOH and to 25 mM in 1eq. HCl
Chemical Name 4-[[3-[(2S)-2-amino-2-carboxyethyl]-2,6-dioxopyrimidin-1-yl]methyl]benzoic acid
SMILES C1=CC(=CC=C1CN2C(=O)C=CN(C2=O)CC(C(=O)O)N)C(=O)O
Standard InChIKey XLRLZPOBHPIDFX-NSHDSACASA-N
Standard InChI InChI=1S/C15H15N3O6/c16-11(14(22)23)8-17-6-5-12(19)18(15(17)24)7-9-1-3-10(4-2-9)13(20)21/h1-6,11H,7-8,16H2,(H,20,21)(H,22,23)/t11-/m0/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of UBP 282

DescriptionAMPA and kainate receptor antagonist. Inhibits AMPA receptor-, but not kainate receptor-mediated currents on spinal neonatal motoneurons yet antagonizes kainate-induced responses on dorsal root C-fibres.

UBP 282 Dilution Calculator

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UBP 282 Molarity Calculator

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Preparing Stock Solutions of UBP 282

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 3.0003 mL 15.0015 mL 30.003 mL 60.006 mL 75.0075 mL
5 mM 0.6001 mL 3.0003 mL 6.0006 mL 12.0012 mL 15.0015 mL
10 mM 0.3 mL 1.5002 mL 3.0003 mL 6.0006 mL 7.5008 mL
50 mM 0.06 mL 0.3 mL 0.6001 mL 1.2001 mL 1.5002 mL
100 mM 0.03 mL 0.15 mL 0.3 mL 0.6001 mL 0.7501 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on UBP 282

Structural requirements for novel willardiine derivatives acting as AMPA and kainate receptor antagonists.[Pubmed:12684265]

Br J Pharmacol. 2003 Mar;138(6):1093-100.

1. The natural product willardiine is an AMPA receptor agonist. We have examined the structural changes required to convert willardiine into an antagonist at AMPA and kainate receptors. Structure-activity analysis has been carried out to discover the structural features required to increase the potency and/or selectivity of the antagonists at AMPA or kainate receptors. 2. Reduction of the fast component of the dorsal root-evoked ventral root potential (fDR-VRP) has been used to investigate AMPA receptor antagonist activity. To examine antagonist activity at kainate receptors, the ability of compounds to depress kainate-induced depolarisations of dorsal root fibres was assessed. 3. Blocking ionisation of the uracil ring by adding a methyl group to the N(3) position was not sufficient to convert willardiine into an antagonist. However, willardiine derivatives with a side-chain bearing a carboxylic acid group at the N(3)-position of the uracil ring could antagonise AMPA and kainate receptors. 4. S stereochemistry was optimal for antagonism. When compounds with differing interacidic group chain lengths were compared, a group chain length of two methylene groups was preferable for AMPA receptor antagonism in the series of compounds bearing a carboxyalkyl side chain (UBP275, UBP277 and UBP279 reduced the fDR-VRP with IC(50) values of 287+/-41, 23.8+/-3.9 and 136+/-17 micro M, respectively). For kainate receptor antagonism, two or three methylene groups were almost equally acceptable (UBP277 and UBP279 reduced dorsal root kainate responses with apparent K(D) values of 73.1+/-4.5 and 60.5+/-4.1 micro M, respectively). 5. Adding an iodo group to the 5-position of UBP277 and UBP282 enhanced activity at kainate receptors (UBP291 and UBP301 antagonised kainate responses on the dorsal root with apparent K(D) values of 9.83+/-1.62 and 5.94+/-0.63 micro M, respectively). 6. The most useful antagonist identified in this study was UBP301, which was a potent and approximately 30-fold selective kainate receptor antagonist. UBP282 may also be of use in isolating a non-GluR5-mediated kainate response.

The novel antagonist 3-CBW discriminates between kainate receptors expressed on neonatal rat motoneurones and those on dorsal root C-fibres.[Pubmed:12429586]

Br J Pharmacol. 2002 Dec;137(7):1125-33.

1. The natural product willardiine is a selective AMPA receptor agonist. We report that an N(3)-substituted analogue of willardiine, (S)-3-(4-carboxybenzyl)willardiine 3-CBW, antagonizes AMPA and kainate receptors expressed on motoneurones and dorsal root C-fibres, respectively. 2. Reduction of the fast component of the dorsal root-evoked ventral root potential (fDR-VRP) has been used as a novel method to compare AMPA receptor antagonists. 3-CBW, NBQX and GYKI53655 depressed the fDR-VRP with IC(50) values of 10.3+/-2.4, 0.214+/-0.043 and 4.03+/-0.31 micro M, respectively. That 3-CBW depressed the fDR-VRP by acting at AMPA and not metabotropic glutamate receptors was demonstrated by the lack of effect of LY341495 (100 micro M). 3. The Schild plot for antagonism of responses to (S)-5-fluorowillardiine on motoneurones by 3-CBW had a slope of 1.11+/-0.13 giving a pA(2) value of 4.48. The Schild plot for antagonism of kainate responses on the dorsal root by 3-CBW had a slope of 1.05+/-0.05 giving a pA(2) value of 4.96. 4. On neonatal rat motoneurones 3-CBW (200 micro M) almost completely abolished responses to AMPA while responses to NMDA, kainate and DHPG were 101.6+/-11.6%, 39.4+/-5.8% and 110.5+/-9.0% of control, respectively. 3-CBW can therefore be used to isolate kainate receptor responses from those mediated by AMPA receptors. 5 3-CBW antagonized kainate-induced responses on dorsal root C-fibres with a pA(2) value of 4.96 whereas kainate receptor mediated responses (isolated by including GYKI53655 in the medium) on motoneurones were not completely blocked by 200 micro M 3-CBW, substantiating evidence that kainate receptors on neonatal rat motoneurones differ from those on dorsal root C-fibres.

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