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Neurobiology
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ALX-450-001 Revised 23-Jul-08
A23187 (free acid)
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SYNONYMS Calcium Ionophore A23187
Calcimycin
Antibiotic A23187
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Ionophores
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-450-001-M001   1 mg 28.00 USD Add To Cart
ALX-450-001-M005   5 mg 65.00 USD Add To Cart
ALX-450-001-5001   5x1 mg 80.00 USD Add To Cart
ALX-450-001-M010   10 mg 92.00 USD Add To Cart
ALX-450-001-M025   25 mg 195.00 USD Add To Cart
ALX-450-001-M050   50 mg 350.00 USD Add To Cart
Product Specification
FORMULA: C29H37N3O6
MW: 523.6
CAS NUMBER: 52665-69-7
MERCK INDEX: 14: 1639
RTECS: DM4676000
SOURCE/HOST: Isolated from Streptomyces chartreusis.
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO, 100% ethanol or methylene chloride; slightly soluble in water. Solubilize in DMSO or ethanol prior to preparing aqueous solutions of very low concentrations.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: In aqueous systems product may aggregate over time.
HANDLING: Protect from light. In aqueous systems, the product aggregates over time.
HAZARD: IRRITANT.

Product Description
Antibiotic possessing weak in vitro antimicrobial activity against gram positive bacteria and fungi. Divalent cation ionophore commonly used to increase intracellular Ca2+ levels in intact cells.
Product Specific Literature References
A23187: a divalent cation ionophore: P. W. Reed & H. A. Lardy; J. Biol. Chem. 247, 6970 (1972) Abstract
Effects of antibiotic ionophore, A23187, on oxidative phosphorylation and calcium transport of liver mitochondria: D.T. Wong, et al.; Arch. Biochem. Biophys. 156, 578 (1973) Abstract
Biological applications of ionophores: B.C. Pressman; Annu. Rev. Biochem. 45, 501 (1976), (Review) Abstract
Molecular mechanisms of endothelium-mediated vasodilation: R.R. Fiscus; Semin. Thromb. Hemost. 14 Suppl, 12 (1988), (Review) Abstract
Calcium ionophore A23187 action on cardiac myocytes is accompanied by enhanced production of reactive oxygen species: 1740, 481 (2005): T. Przygodzki, et al.; Biochim. Biophys. Acta 1740, 481 (2005) Abstract
Further Categories Containing This Product:
Nitric Oxide Pathway Other Products • Respiratory Chain Other Products • Antibiotics - ATPase Inhibitors
 
 
ALX-450-002 Revised 14-Nov-07
A23187 (Mixed Calcium-Magnesium Salt)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Ionophores
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-450-002-M005   5 mg 60.00 USD Add To Cart
ALX-450-002-M010   10 mg 110.00 USD Add To Cart
ALX-450-002-M050   50 mg 415.00 USD Add To Cart
Product Specification
MERCK INDEX: 13: 1639
SOURCE/HOST: Semisynthetic.
PURITY: ≥98% (molar ratio Ca:Mg ~1:1)
APPEARANCE: White solid.
SOLUBILITY: Soluble in methylene chloride, chloroform, acetone, ethyl acetate, or diethyl ketone; also soluble in DMSO, 100% ethanol, and ethanol. Solubilize in DMSO or ethanol prior to preparing aqueous solutions of very low concentrations.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Protect from light. In aqueous systems, product may aggregate over time.
HAZARD: TOXIC.

Product Description
Salt form of A23187 (Prod. No. ALX-450-001). Used in cell activation experiments when calcium dose-response data are not required.
 
 
ALX-350-104 Revised 10-May-07
Aaptamine
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SYNONYMS 8,9-Dimethoxy-1H-benzo[de][1,6]naphtyridine
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Other Toxins
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-350-104-M001   1 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C13H12N2O2
MW: 228.3
CAS NUMBER: 85547-22-4
SOURCE/HOST: Isolated from the sponge Aaptos aaptos.
PURITY: ≥97%
APPEARANCE: Oil.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Competitive antagonist of α-adrenoceptors in vascular smooth muscle cells. Inhibits cancer cell growth.
Product Specific Literature References
Alpha-adrenoceptor blocking action of aaptamine, a novel marine natural product, in vascular smooth muscle: Y. Ohizumi, et al.; J. Pharm. Pharmacol. 36, 785 (1984) Abstract
Antineoplastic agents 491. Synthetic conversion of aaptamine to isoaaptamine, 9-demethylaaptamine, and 4-methylaaptamine: G.R. Pettit, et al.; J. Org. Chem. 69, 2251 (2004) Abstract
Aaptamine, a spongean alkaloid, activates p21 promoter in a p53-independent manner: S. Aoki, et al.; BBRC 342, 101 (2006) Abstract
Further Categories Containing This Product:
Antitumor Agents (Anti-proliferative) • Adrenergics & Adrenergic Receptors / Related Products • Alkaloids • Natural Products - Antitumor Reagents
 
 
ALX-550-221 Revised 17-Jan-05
ABHxD-I . hydrochloride
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SYNONYMS (1S,2S,4S,5S)-2-Aminobicyclo[2.1.1]hexene-2,5-dicarboxylic acid . HCl
PRODUCT LINE Neurobiology
PRODUCT CATEGORY Glutamate Receptors (Metabotropic) / Related Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-550-221-MC05   0.5 mg 60.00 USD Add To Cart
ALX-550-221-M001   1 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C8H11NO4 . HCl
MW: 185.2 . 36.5
PURITY: ≥96%
SOLUBILITY: Soluble in water or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Conformationally restricted ACPD analog. Potent mGluR ligand with similar selectivity and potency to glutamate but without ionotropic activity. Neuroprotective.
Product Specific Literature References
Synthesis and biology of the conformationally restricted ACPD analogue, 2-aminobicyclo[2.1.1]hexane-2,5-dicarboxylic acid-I, a potent mGluR agonist: A.P. Kozikowski, et al.; J. Med. Chem. 41, 1641 (1998) Abstract
 
 
ALX-151-020 Revised 10-Feb-05
N-Acetyl-Asp-Glu-OH
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SYNONYMS α-NAAG
Spaglumic acid
PRODUCT LINE Neurobiology
PRODUCT CATEGORY Glutamate Receptors (Metabotropic) / Related Products
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-151-020-M010   10 mg 35.00 USD Add To Cart
ALX-151-020-M050   50 mg 140.00 USD Add To Cart
Product Specification
FORMULA: C11H16N2O8
MW: 304.3
CAS NUMBER: 3106-85-2
PURITY: ≥98%
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
Product Description
Endogenous neurotransmitter with high affinity for the brain glutamate receptor. N-acetylated α-linked acidic dipeptidase (NAALADase), a membrane-bound peptidase, hydrolyzes α-NAAG, a major brain peptide, to N-acetylaspartate and glutamate. Discriminates between mGluR2 and mGluR3. mGluR3 activator. NMDA receptor antagonist. Neuroprotective.
Product Specific Literature References
N-acetylaspartylglutamate: an endogenous peptide with high affinity for a brain glutamate receptor: R. Zaczek, et al.; PNAS 80, 1116 (1983) Abstract
Characterization of the interactions of N-acetyl-aspartyl-glutamate with [3H]L-glutamate receptors: K.J. Koller & J.T. Coyle; Eur. J. Pharmacol. 98, 193 (1984) Abstract
The neurobiology of N-acetylaspartylglutamate: R.D. Blakely & J.T. Coyle; Int. Rev. Neurobiol. 30, 39 (1988) Abstract
Design, synthesis, and biological activity of a potent inhibitor of the neuropeptidase N-acetylated alpha-linked acidic dipeptidase: P.F. Jackson, et al.; J. Med. Chem. 39, 619 (1996) Abstract
The nagging question of the function of N-acetylaspartylglutamate: J.T. Coyle; Neurobiol. Dis. 4, 231 (1997) Abstract
N-acetylaspartylglutamate stimulates metabotropic glutamate receptor 3 to regulate expression of the GABA(A) alpha6 subunit in cerebellar granule cells: S. Ghose, et al.; J. Neurochem. 69, 2326 (1997) Abstract
N-acetylaspartylglutamate (NAAG) protects against rat striatal quinolinic acid lesions in vivo: L.R. Orlando, et al.; Neurosci. Lett. 236, 91 (1997) Abstract
N-acetylaspartylglutamate, N-acetylaspartate, and N-acetylated alpha-linked acidic dipeptidase in human brain and their alterations in Huntington and Alzheimer's diseases: L.A. Passani, et al.; Mol. Chem. Neuropathol. 31, 97 (1997) Abstract
Distribution of N-acetylaspartylglutamate immunoreactivity in human brain and its alteration in neurodegenerative disease: L.A. Passani, et al.; Brain Res. 772, 9 (1997) Abstract
N-acetylaspartylglutamate selectively activates mGluR3 receptors in transfected cells: B. Wroblewska, et al.; J. Neurochem. 69, 174 (1997) Abstract
Neuroprotective activity of N-acetylaspartylglutamate in cultured cortical cells: V. Bruno, et al.; Neuroscience 85, 751 (1998) Abstract
N-acetylaspartylglutamate activates cyclic AMP-coupled metabotropic glutamate receptors in cerebellar astrocytes: B. Wroblewska, et al.; Glia 24, 172 (1998) Abstract
A.P. Burlina, et al.; Eur. J. Pediatr. 158, 406 (1999) Abstract
Further Categories Containing This Product:
NMDA Receptors / Related Products • NAALADase / Related Products • Peptides
 
 
ALX-151-026 Revised 20-Jun-08
N-Acetyl-Asp-Tyr(2-malonyl)-Val-Pro-Met-Leu-NH2
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PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Tyrosine Kinase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-151-026-M001   1 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C39H57N7O14S
MW: 880.0
PURITY: ≥96% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in water (1mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Peptide is very unstable.
Product Description
Peptide containing a phosphotyrosyl mimetic. Effective protein tyrosine kinase inhibitor. Inhibits the phosphoinositide 3-kinase (PI(3)K) C-terminal p85 SH2 domain.
Product Specific Literature References
L-O-(2-malonyl)tyrosine: a new phosphotyrosyl mimetic for the preparation of Src homology 2 domain inhibitory peptides: B. Ye, et al.; J. Med. Chem. 38, 4270 (1995) Abstract
Further Categories Containing This Product:
Phosphoinositide 3-kinase [PI(3)K] / Related Products • Peptides
 
 
ALX-151-027 Revised 17-Jan-05
N-Acetyl-Asp-Tyr(PO3H2)-Val-Pro-Met-Leu-NH2
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PRODUCT LINE Signal Transduction
PRODUCT CATEGORY Tyrosine Kinase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-151-027-M001   1 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C36H57N7O13SP
MW: 858.9
PURITY: ≥96%
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
Product Description
Phosphotyrosine containing peptide. Effective protein tyrosine kinase inhibitor. Inhibits the phosphoinositide 3-kinase (PI(3)K) C-terminal p85 SH2 domain.
Product Specific Literature References
L-O-(2-malonyl)tyrosine: a new phosphotyrosyl mimetic for the preparation of Src homology 2 domain inhibitory peptides: B. Ye, et al.; J. Med. Chem. 38, 4270 (1995) Abstract
Further Categories Containing This Product:
Phosphoinositide 3-kinase [PI(3)K] / Related Products • Peptides
 
 
ALX-550-134 Revised 17-Aug-06
Acetyl-L-carnitine chloride
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SYNONYMS R-(-)-2-Acetyloxy-3-carboxy-N,N,N-trimethyl-1-propanaminium chloride
PRODUCT LINE Neurobiology
PRODUCT CATEGORY Cholinergics / Related Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-550-134-G001   1 g 25.00 USD Add To Cart
Product Specification
FORMULA: C9H18NClO4
MW: 239.7
CAS NUMBER: 5080-50-2
MERCK INDEX: 14: 84
PURITY: ≥99%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HAZARD: IRRITANT.

Product Specific Literature References
Effect of l-carnitine chloride and its acetyl derivative on the electrophysiological derangement induced by palmityl-l-carnitine in isolated canine ventricular muscle: K. Matsui, et al.; Jpn. J. Pharmacol. 39, 263 (1985) Abstract
 
 
ALX-550-135 Revised 06-Jul-06
Acetylcholine chloride
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SYNONYMS 2-(Acetyloxy)-N,N,N-trimethylethanaminium chloride
PRODUCT LINE Neurobiology
PRODUCT CATEGORY Cholinergics / Related Products
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ALX-550-135-G005   5 g 12.00 USD Add To Cart
Product Specification
FORMULA: C7H16ClNO2
MW: 181.7
CAS NUMBER: 60-31-1
MERCK INDEX: 14: 87
RTECS: FZ9800000
PURITY: ≥99%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in water or alcohol; insoluble in ether.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
USE/STABILITY: May decompose in hot water or alkalies.
HANDLING: Protect from light and moisture. Hygroscopic. Keep under inert gas.
HAZARD: IRRITANT.

Product Description
Cholinergic neurotransmitter.
 
 
ALX-201-006 Revised 04-Sep-08
N-Acetyl-eglin C (recombinant)
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PRODUCT LINE Cancer
PRODUCT CATEGORY Cathepsin Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-201-006-MC01   0.1 mg 95.00 USD Add To Cart
ALX-201-006-MC05   0.5 mg 380.00 USD Add To Cart
ALX-201-006-M001   1 mg 670.00 USD Add To Cart
Product Specification
SEQUENCE: Ac-Thr-Glu-Phe-Gly-Ser-Glu-Leu-Lys-Ser-Phe-Pro-Glu-Val-Val-Gly-Lys-Thr-Val-Asp-Gln-Ala-Arg-Glu-Tyr-Phe-Thr-Leu-His-Tyr-Pro-Gln-Tyr-Asn-Val-Tyr-Phe-Leu-Pro-Glu-Gly-Ser-Pro-Val-Thr-Leu-Asp-Leu-Arg-Tyr-Asp-Arg-Val-Arg-Val-Phe-Tyr-Asn-Pro-Gly-Thr-Asn-Val-Val-Asn-His-Val-Pro-His-Val-Gly-OH
FORMULA: C377H552N96O107
MW: 8141.1
CAS NUMBER: 96380-69-7
SOURCE/HOST: Produced in E. coli.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in water.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
Product Description
Eglin C was originally isolated from the leech Hirudo medicinalis [1]. Recombinant N-acetyl-eglin C is a 70 amino acid peptide with identical biological activity to native eglin C. An effective inhibitor of chymotrypsin and subtilisin as well as of leukocyte elastase and cathepsin G.
Product Specific Literature References
[1] Structure of the elastase-cathepsin G inhibitor of the leech Hirudo medicinalis: U. Seemüller, et al.; Hoppe-Seyler's Z. Physiol. Chem. 361, 1841 (1980) Abstract
[2] A large fragment approach to DNA synthesis: total synthesis of a gene for the protease inhibitor eglin c from the leech Hirudo medicinalis and its expression in E. coli: H. Rink, et al.; Nucl. Acids Res. 12, 6369 (1984) Abstract
General Information
BACKGROUND/TECHNICAL INFORMATION Swiss-Prot link P01051: Eglin C (Hirudo medicinalis)
Further Categories Containing This Product:
Proteases Other Products • Recombinant Proteins / Fusion Proteins