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ALX-106-028 Revised 03-Apr-08
D-Cycloserine
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SYNONYMS R(+)-4-Amino-3-isoxazolidinone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Neurological Research
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-106-028-M050   50 mg 20.00 USD Add To Cart
ALX-106-028-M250   250 mg 80.00 USD Add To Cart
Product Specification
FORMULA: C3H6N2O2
MW: 102.1
CAS NUMBER: 68-41-7
RTECS: NY2975000
SOURCE/HOST: Synthetic.
PURITY: ≥97%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
HANDLING: Hygroscopic.

Product Description
Excitatory amino acid. Partial agonist at the glycine modulatory site of the NMDA receptor.
Further Categories Containing This Product:
Excitatory Amino Acids • Special Amino Acids • NMDA Receptors / Related Products
 
 
ALX-106-037 Revised 09-Oct-07
L-Cycloserine
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SYNONYMS S(-)-4-Amino-3-isoxazolidinone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products for Neurological Research
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ALX-106-037-M025   25 mg 50.00 USD Add To Cart
ALX-106-037-M100   100 mg 150.00 USD Add To Cart
Product Specification
FORMULA: C3H6N2O2
MW: 102.1
CAS NUMBER: 339-72-0; 4834-58-6
MERCK INDEX: 14: 2751
RTECS: NY2976000
PURITY: ≥98%
APPEARANCE: White to off-white powder.
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Hygroscopic.

Product Description
Excitatory amino acid. Inhibitor of ketosphinganine synthase (serine-palmitoyl-CoA transferase, EC 2.3.1.50), leading to blockade of sphingosine biosynthesis. Partial agonist at the glycine modulatory site of the NMDA receptor.
Product Specific Literature References
Inhibition of sphingolipid synthesis by cycloserine in vitro and in vivo: K.S. Sundaram & M. Lev; J. Neurochem. 42, 577 (1984) Abstract
Inhibition of serine palmitoyltransferase activity in rabbit aorta by L-cycloserine: R.D. Williams, et al.; J. Lipid Res. 28, 1478 (1987) Abstract; Full Text
D-cycloserine acts as a partial agonist at the glycine modulatory site of the NMDA receptor expressed in Xenopus oocytes: G.B. Watson, et al.; Brain Res. 510, 158 (1990) Abstract
D-cycloserine, a putative cognitive enhancer, facilitates activation of the N-methyl-D-aspartate receptor-ionophore complex in Alzheimer brain: I.P. Chessell, et al.; Brain Res. 565, 345 (1991) Abstract
Rapid kidney changes resulting from glycosphingolipid depletion by treatment with a glucosyltransferase inhibitor: G.S. Shukla, et al.; Biochim. Biophys. Acta 1083, 101 (1991) Abstract
Further Categories Containing This Product:
Special Amino Acids • Excitatory Amino Acids • NMDA Receptors / Related Products
 
 
ALX-162-002 Revised 09-Oct-08
MCD Peptide
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SYNONYMS Mast Cell Degranulating Peptide
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Neurotoxins
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ALX-162-002-MC05   0.5 mg 360.00 USD Add To Cart
Product Specification
SEQUENCE: H-Ile-Lys-Cys-Asn-Cys-Lys-Arg-His-Val-Ile-Lys-Pro-His-Ile-Cys-Arg-Lys-Ile-Cys-Gly-Lys-Asn-NH2
(Disulfide bonds between Cys3-Cys15 and Cys5-Cys19)
FORMULA: C110H192N40O24S4
MW: 2587.2
CAS NUMBER: 83856-13-7
SOURCE/HOST: Synthetic. Originally isolated from Apis mellifera.
PURITY: ≥98%
APPEARANCE: Lyophilized.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
Product Description
Potent anti-inflammatory agent and strong mediator of mast cell degranulation and histamine release. Neurotoxin and voltage-dependent K+ channel blocker. Inhibits the ADP-ribosylation of the small GTP-binding proteins rho.
Product Specific Literature References
Bee and wasp venoms: E. Haberman; Science 177, 314 (1972) Abstract
Potassium channel toxins: P.N. Strong; Pharmacol. Ther. 46, 137 (1990) Abstract
Mast cell degranulating peptide: a multi-functional neurotoxin: M.R. Ziai, et al.; J. Pharm. Pharmacol. 42, 457 (1990), Review Abstract
ADP-ribosylation of rho proteins is inhibited by melittin, mast cell degranulating peptide and compound 48/80: G. Koch, et al.; Eur. J. Pharmacol. 226, 87 (1992) Abstract
Further Categories Containing This Product:
Peptides • K+ Channel Blockers & Inhibitors • Natural Products - Anti-inflammatory Agents
 
 
ALX-162-006 Revised 07-Apr-08
Melittin (natural)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-162-006-M001   1 mg 40.00 USD Add To Cart
ALX-162-006-M005   5 mg 160.00 USD Add To Cart
Product Specification
SEQUENCE: H-Gly-Ile-Gly-Ala-Val-Leu-Lys-Val-Leu-Thr-Thr-Gly-Leu-Pro-Ala-Leu-Ile-Ser-Trp-Ile-Lys-Arg-Lys-Arg-Gln-Gln-NH2
FORMULA: C131H229N39O31
MW: 2846.5
CAS NUMBER: 37231-28-0
MERCK INDEX: 14: 5824
RTECS: OS3960000
SOURCE/HOST: Isolated from bee venom.
PURITY: ≥85% (HPLC)
APPEARANCE: Off-white to faint tan powder.
PURITY DETAIL: Phospholipase A2 impurity: <5 units per mg solid.
SOLUBILITY: Soluble in PBS (5mg/ml) or water (5mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Very hygroscopic. Protect from light.
HAZARD: HARMFUL.
Product Description
Causes disruption of normal cellular activity and cell lysis. Binds calmodulin in a calcium-dependent manner. Activates phospholipase A2 (PLA2) and inhibits protein kinase C (PKC) by binding to the catalytic domain in a Mg-ATP sensitive manner. Antirheumatic.
Product Specific Literature References
Rapid purification of calmodulin and S-100 protein by affinity chromatography with melittin immobilized to sepharose: R.L. Kincaid & C.C. Coulson; BBRC 133, 256 (1985) Abstract
Comparison of S100b protein with calmodulin: interactions with melittin and microtubule-associated tau proteins and inhibition of phosphorylation of tau proteins by protein kinase C: J. Baudier, et al.; Biochemistry 26, 2886 (1987) Abstract
Possible mechanisms of action of cobra snake venom cardiotoxins and bee venom melittin: J.E. Fletcher & M.S. Jiang; Toxicon. 31, 669 (1993) Abstract
Melittin and phospholipase A2 from bee (Apis mellifera) venom cause necrosis of murine skeletal muscle in vivo: C.L. Ownby, et al.; Toxicon. 35, 67 (1997) Abstract
Melittin binds to secretory phospholipase A2 and inhibits its enzymatic activity: S.S. Saini, et al.; BBRC 238, 436 (1997) Abstract
Phospholipase A2-independent Ca2+ entry and subsequent apoptosis induced by melittin in human MG63 osteosarcoma cells: S.T. Chu, et al.; Life Sci. 80, 364 (2007) Abstract
Further Categories Containing This Product:
Calmodulin Other Products • PKC Inhibitors • Peptides • PLA2 Activators
 
 
ALX-162-007 Revised 12-May-05
Melittin (synthetic)
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PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
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ALX-162-007-MC05   0.5 mg 70.00 USD Add To Cart
ALX-162-007-M001   1 mg 120.00 USD Add To Cart
Product Specification
SEQUENCE: H-Gly-Ile-Gly-Ala-Val-Leu-Lys-Val-Leu-Thr-Thr-Gly-Leu-Pro-Ala-Leu-Ile-Ser-Trp-Ile-Lys-Arg-Lys-Arg-Gln-Gln-NH2
FORMULA: C131H229N39O31
MW: 2846.5
CAS NUMBER: 37231-28-0
MERCK INDEX: 14: 5824
SOURCE/HOST: Synthetic.
PURITY: ≥97%
APPEARANCE: White lyophilized powder.
SOLUBILITY: Soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.
Product Description
For technical information see melittin (natural) (Prod. No. ALX-162-006).
Further Categories Containing This Product:
PLA2 Activators • Calmodulin Other Products • PKC Inhibitors • Peptides
 
 
ALX-260-128 Revised 03-Apr-08
Actinonin
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SYNONYMS 3[[1-[[2-(Hydroxymethyl)-1-pyrrolidinyl]-carbonyl]-2-methylpropyl]-carbamoyl]-octanohydroxamic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antitumor Antibiotics
Ordering Information
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ALX-260-128-M005   5 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C19H35N3O5
MW: 385.5
CAS NUMBER: 13434-13-4
SOURCE/HOST: Synthetic.
PURITY: ≥98%
APPEARANCE: White powder.
SOLUBILITY: Soluble in 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Inhibitor of aminopeptidase M, leucine aminopeptidase and deformylase. Shows antitumor activity. Apoptosis inducer.
Product Specific Literature References
Production of actinonin, an inhibitor of aminopeptidase M, by actinomycetes: H. Umezawa, et al.; J. Antibiot. (Tokyo) 38, 1629 (1985) Abstract
Analgesic effect of actinonin, a new potent inhibitor of multiple enkephalin degrading enzymes: M. Hachisu, et al.; Life Sci. 41, 235 (1987) Abstract
Effects of an antibiotic protease inhibitor, actinonin on the growth within collagen gels of non-metastatic and metastatic mouse mammary tumors of the same origin: K. Sayama, et al.; Cancer Lett 94, 171 (1995) Abstract
Inhibition of alanyl aminopeptidase induces MAP-kinase p42/ERK2 in the human T cell line KARPAS-299: U. Lendeckel, et al.; BBRC 252, 5 (1998) Abstract
Antitumor activity of actinonin in vitro and in vivo: Y. Xu, et al.; Clin. Cancer Res. 4, 171 (1998) Abstract
Actinonin, a naturally occurring antibacterial agent, is a potent deformylase inhibitor: D.Z. Chen, et al.; Biochemistry 39, 1256 (2000) Abstract
Human mitochondrial peptide deformylase, a new anticancer target of actinonin-based antibiotics: M.D. Lee, et al.; J. Clin. Invest. 114, 1107 (2004) Abstract
Actinonin induces apoptosis in U937 leukemia cells: M. Grujic, et al.; Cancer Lett. 223, 211 (2005) Abstract
Further Categories Containing This Product:
Aminopeptidases / Related Products • Antitumor Agents (Enzyme Inhibitors) • Natural Products - Apoptosis Inducers & Inhibitors
 
 
ALX-270-047 Revised 26-Sep-07
Aristolochic acid
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SYNONYMS 8-Methoxy-6-nitrophenanthrol(3,4-d)-1,3-dioxide-5-carboxylic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-047-M025   25 mg 25.00 USD Add To Cart
ALX-270-047-M100   100 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C17H11NO7
MW: 341.3
CAS NUMBER: 313-67-7
MERCK INDEX: 14: 786
RTECS: CF3325000
SOURCE/HOST: Isolated from Aristolochia clematis.
PURITY: ≥97% (~1:1 mixture of aristolochic acids I (A) and II (B))
APPEARANCE: Yellow solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HAZARD: MAY BE CARCINOGENIC. TOXIC. MAY BE MUTAGENIC.

Product Description
Phospholipase A2 (PLA2) inhibitor active against the enzymes found in many snake venoms as well as those of human platelets and synovial fluids. Inhibits ionophore-stimulated PLA2 activity in human neutrophils. Has been shown to be nephropathic and carcinogenic.
Product Specific Literature References
Characterization of three edema-inducing phospholipase A2 enzymes from habu (Trimeresurus flavoviridis) venom and their interaction with the alkaloid aristolochic acid: B.S. Vishwanath, et al.; Toxicon 25, 501 (1987) Abstract
Interaction of aristolochic acid with Vipera russelli phospholipase A2: its effect on enzymatic and pathological activities: B.S. Vishwanath & T.V. Gowda; Toxicon 25, 929 (1987) Abstract
Interaction of phospholipase A2 from Vipera russelli venom with aristolochic acid: a circular dichroism study: B.S. Vishwanath, et al.; Toxicon 25, 939 (1987) Abstract
Edema-inducing activity of phospholipase A2 purified from human synovial fluid and inhibition by aristolochic acid: B.S. Vishwanath, et al.; Inflammation 12, 549 (1988) Abstract
Effects of aristolochic acid on phospholipase A2 activity and arachidonate metabolism of human neutrophils: M.D. Rosenthal, et al.; Biochim. Biophys. Acta 1001, 3 (1989) Abstract
Suramin alters phosphoinositide synthesis and inhibits growth factor receptor binding in HT-29 cells: R. Kopp & A. Pfeiffer; Cancer Res. 50, 6490 (1990) Abstract
The effects of the phospholipase A2 inhibitors aristolochic acid and PGBx on A23187-stimulated mobilization of arachidonate in human neutrophils are overcome by diacylglycerol or phorbol ester: M.D. Rosenthal, et al.; Biochim. Biophys. Acta 1126, 319 (1992) Abstract
Evidence for different mechanisms involved in the formation of lyso platelet-activating factor and the calcium-dependent release of arachidonic acid from human neutrophils: J.D. Winkler, et al.; Biochem. Pharmacol. 44, 2055 (1992) Abstract
Selective inhibition of group II phospholipase A2 by quercetin: M. Lindahl & C. Tagesson; Inflammation 17, 573 (1993) Abstract
Detection of DNA adducts formed by aristolochic acid in renal tissue from patients with Chinese herbs nephropathy: H.H. Schmeiser, et al.; Cancer Res. 56, 2025 (1996) Abstract
Aristolochic acid and ’Chinese herbs nephropathy’: a review of the evidence to date: J.P. Cosyns; Drug Saf. 26, 33 (2003), Review Abstract
Effect of aristolochic acid on intracellular calcium concentration and its links with apoptosis in renal tubular cells: Y.H. Hsin, et al.; Apoptosis 11, 2167 (2006) Abstract
Further Categories Containing This Product:
PLA2 Inhibitors • Carcinogens & Tumor Promoters Other Products • Natural Products - Other Tumor Promoters • Other Toxins • Alkaloids
 
 
ALX-270-063 Revised 03-Apr-08
Cantharidin
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SYNONYMS Hexahydro-3a,7a-dimethyl-4,7-epoxyisobenzo-furan-1,3-dione
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Other Signal Transduction Pathway Modulators
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-063-M025   25 mg 50.00 USD Add To Cart
ALX-270-063-M100   100 mg 160.00 USD Add To Cart
Product Specification
FORMULA: C10H12O4
MW: 196.2
CAS NUMBER: 56-25-7
MERCK INDEX: 14: 1752
PURITY: ≥98%
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in acetone, DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: +20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Potent protein phosphatase 2A (PP2A) inhibitor. At higher concentrations, also inhibits protein phosphatase 1 (PP1).
Product Specific Literature References
Partial characterization of specific cantharidin binding sites in mouse tissues: M.J. Graziano, et al.; Mol. Pharmacol. 33, 706 (1988) Abstract
Cantharidin-binding protein: identification as protein phosphatase 2A: Y.-M. Li and J.E. Casida; PNAS 89, 11867 (1992) Abstract
Protein phosphatase 2A and its [3H]cantharidin/[3H]endothall thioanhydride binding site. Inhibitor specificity of cantharidin and ATP analogues: Y.-M. Li, et al.; Biochem. Pharmacol. 46, 1435 (1993) Abstract
Further Categories Containing This Product:
PP2A / Related Products
 
 
ALX-270-066 Revised 07-Apr-08
Lavendustin C
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SYNONYMS Compound 5
5-(N-2,5-Dihydroxybenzyl)aminosalicylic acid
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Protein Kinase Inhibitors
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-066-M001   1 mg 35.00 USD Add To Cart
Product Specification
FORMULA: C14H13NO5
MW: 275.3
SOURCE/HOST: Synthetic.
PURITY: ≥97%
APPEARANCE: Off-white solid.
SOLUBILITY: Soluble in DMSO or 100% ethanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Potent inhibitor of protein tyrosine kinases and Ca2+/calmodulin-dependent kinase II. Acts also as an inhibitor of EGFR tyrosine kinase and pp60c-src kinase.
Product Specific Literature References
Isolation of a novel tyrosine kinase inhibitor, lavendustin A, from Streptomyces griseolavendus: T. Onoda, et al.; J. Nat. Prod. 52, 1252 (1989) Abstract
Long-term potentiation in the hippocampus is blocked by tyrosine kinase inhibitors: T.J. O'Dell, et al.; Nature 353, 558 (1991) Abstract
Hypericin and pseudohypericin specifically inhibit protein kinase C: possible relation to their antiretroviral activity: I. Takahashi, et al.; BBRC 165, 1207 (1989) Abstract
Inhibition of crystal-induced neutrophil activation by a protein tyrosine kinase inhibitor: H.M. Burt, et al.; J. Leukoc. Biol. 55, 112 (1994) Abstract
Endotoxin increases intercellular resistance in microvascular endothelial cells by a tyrosine kinase pathway: D. Lidington, et al.; J. Cell Physiol. 185, 117 (2000) Abstract
Related Products
Further Categories Containing This Product:
CAM Kinase Inhibitors • Tyrosine Kinase Inhibitors • EGFR Kinase Inhibitors • Lipopolysaccharides [LPS] / Related Products
 
 
ALX-270-075 Revised 08-Oct-08
KT5720