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Autoimmunity & Self Tolerance
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ALX-151-024 Revised 03-Mar-05
H-Ala-Pro-Arg-Thr-Pro-Gly-Gly-Arg-Arg-OH
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PRODUCT LINE Neurobiology
PRODUCT CATEGORY Myelin Basic Protein / Related Products
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ALX-151-024-M001   1 mg 95.00 USD Add To Cart
ALX-151-024-M005   5 mg 380.00 USD Add To Cart
Product Specification
FORMULA: C39H70N18O11
MW: 967.1
PURITY: ≥98%
APPEARANCE: White powder.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
Product Description
Substrate for myelin basic protein kinase (p44mpk) and for MAP kinase (MAPK/ERK).
Product Specific Literature References
Identification of the sites in myelin basic protein that are phosphorylated by meiosis-activated protein kinase p44mpk: J.S. Sanghera, et al.; FEBS Lett. 273, 223 (1990) Abstract
Definition of a consensus sequence for peptide substrate recognition by p44mpk, the meiosis-activated myelin basic protein kinase: I. Clark-Lewis, et al.; J. Biol. Chem. 266, 15180 (1991) Abstract; Full Text
M. Daeipour, et al.; J. Immunol. 150, 4743 (1993) Abstract
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Peptides
 
 
ALX-270-448 Revised 24-Jul-06
ALK5 Inhibitor I
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SYNONYMS TGF-β RI Kinase Inhibitor I
3-(Pyridin-2-yl)-4-(4-quinonyl)]-1H-pyrazole
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Transforming Growth Factor beta [TGFbeta] & Receptors / Related Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-270-448-M001   1 mg 30.00 USD Add To Cart
ALX-270-448-M005   5 mg 90.00 USD Add To Cart
Product Specification
FORMULA: C17H12N4
MW: 272.3
PURITY: ≥97% (1H-NMR)
APPEARANCE: Yellow to brown solid.
SOLUBILITY: Soluble in DMSO or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for 2 years after receipt when stored at -20°C. Stock solutions are stable for up to 3 months when stored at -20°C.
HANDLING: Protect from light.
HAZARD: MAY BE CARCINOGENIC. HARMFUL.

Product Description

Cell permeable, potent, selective and ATP-competitive inhibitor of TGF-β RI kinase (IC50=51nM). Displays ~15-fold greater selectivity over p38α MAPK (IC50=740nM). Inhibits TGF-β-dependent cellular growth (IC50=89nM in NIH 3T3 mouse fibroblasts) and transcription activation (IC50=47nM in mink lung cells).

Product Specific Literature References
Synthesis and activity of new aryl- and heteroaryl-substituted pyrazole inhibitors of the transforming growth factor-beta type I receptor kinase domain: J.S. Sawyer, et al.; J. Med. Chem. 46, 3953 (2003) Abstract
Successful shape-based virtual screening: the discovery of a potent inhibitor of the type I TGFbeta receptor kinase (TbetaRI): J. Singh, et al.; Bioorg. Med. Chem. Lett. 13, 4355 (2003) Abstract
Further Categories Containing This Product:
MAPK Pathway Inhibitors
 
 
ALX-270-445 Revised 20-Jul-06
ALK5 Inhibitor II
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SYNONYMS TGF-β RI Kinase Inhibitor II
2-(3-(6-Methylpyridin-2-yl)-1H-pyrazol-4-yl)-1,5-naphthyridine
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY Transforming Growth Factor beta [TGFbeta] & Receptors / Related Products
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ALX-270-445-M001   1 mg 60.00 USD Add To Cart
ALX-270-445-M005   5 mg 240.00 USD Add To Cart
Product Specification
FORMULA: C17H13N5
MW: 287.3
PURITY: ≥97% (1H-NMR)
APPEARANCE: Yellow solid.
SOLUBILITY: 5mg/ml soluble in DMSO or methanol.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for 2 years after receipt when stored at -20°C. Stock solutions are stable for up to 6 months when stored at -20°C.
HANDLING: Protect from light.

Product Description
Cell permeable, potent, selective and ATP-competitive inhibitor of TGF-β RI kinase (IC50=23nM, 4nM and 18nM for binding, auto-phosphorylation and cellular assay in HepG2 cells of TGF-β RI kinase, respectively). Minimally affects a panel of 9 closely related kinases including p38 MAPK (IC50>16µM).
Product Specific Literature References
Identification of 1,5-naphthyridine derivatives as a novel series of potent and selective TGF-beta type I receptor inhibitors: F. Gellibert, et al.; J. Med. Chem. 47, 4494 (2004) Abstract
Further Categories Containing This Product:
MAPK Pathway Inhibitors
 
 
ALX-380-075 Revised 03-Apr-08
Antimycin A
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SYNONYMS Antipiricullin
Virosin
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Antibiotics - Apoptosis Inducers & Inhibitors
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ALX-380-075-M005   5 mg 20.00 USD Add To Cart
ALX-380-075-M010   10 mg 33.00 USD Add To Cart
Product Specification
CAS NUMBER: 1397-94-0
MERCK INDEX: 14: 714 (A1) & 715 (A3)
RTECS: CD0350000
SOURCE/HOST: Isolated from Streptomyces sp. Mixture of antimycin A's.
APPEARANCE: White to faint yellow powder.
SOLUBILITY: Soluble in 100% ethanol (50mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.
HAZARD: TOXIC.

Product Description
Antibiotic. Induces apoptosis, which is not prevented by the presence of Bcl-2. Inhibits mitochondrial electron transport specifically between cytochromes b and c1.
Product Specific Literature References
The isolation and properties of antimycin A: B. R. Dunshee, et al.; J. Am. Chem. Soc. 71, 2436 (1949)
The effect of antimycin A on mouse liver inner mitochondrial membrane channel activity: M.L. Campo, et al.; J. Biol. Chem. 267, 8123 (1992) Abstract; Full Text
Antimycin A mimics a cell-death-inducing Bcl-2 homology domain 3: S.P. Tzung, et al.; Nat. Cell Biol. 3, 183 (2001) Abstract
Biophysical characterization of recombinant human Bcl-2 and its interactions with an inhibitory ligand, antimycin A: K.M. Kim, et al.; Biochemistry 40, 4911 (2001) Abstract
Synthetic peptides and non-peptidic molecules as probes of structure and function of Bcl-2 family proteins and modulators of apoptosis: D. Liu & Z. Huang; Apoptosis 6, 453 (2001) Abstract
Antimycin A mimics a cell-death-inducing Bcl-2 homology domain 3: S.P. Tzung, et al.; Nat. Cell. Biol. 3, 183 (2001) Abstract
Oligomycin and antimycin A prevent nitric oxide-induced apoptosis by blocking cytochrome C leakage: N. Dairaku, et al.; J. Lab. Clin. Med. 143, 143 (2004) Abstract
An ROS generator, antimycin A, inhibits the growth of HeLa cells via apoptosis: W.H. Park, et al.; J. Cell. Biochem. 102, 98 (2007) Abstract
Further Categories Containing This Product:
Bcl-2 Family ModulatorsRespiratory Chain Other Products
 
 
ALX-522-035 Revised 14-Aug-08
MegaAPRIL™, Soluble (human) (recombinant)
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SYNONYMS APRIL, Soluble (human) (recombinant):ACRP30headless (human)
A-Proliferation-inducing Ligand (human) (recombinant):ACRP30headless (human)
TNFSF 13, Soluble (human) (recombinant):ACRP30headless (human)
CD256, Soluble (human) (recombinant):ACRP30headless (human)
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY APRIL
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ALX-522-035-3010   3x10 µg 460.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Human
Mouse
MW: ~34kDa (SDS-PAGE).
SOURCE/HOST: Produced in HEK 293 cells. The extracellular domain of human APRIL (aa 88-233) is fused at the N-terminus to human ACRP30headless (aa 16-108) and a FLAG®-tag.
CONCENTRATION: 0.1mg/ml after reconstitution.
PURITY: ≥95% (SDS-PAGE)
FORMULATION: Lyophilized. Contains PBS.
ENDOTOXIN CONTENT: <0.1EU/µg purified protein (LAL test; Bio Whittaker).
RECONSTITUTION: Reconstitute with 100µl sterile water. Further dilutions should be made with medium containing 5% fetal calf serum.
SPECIFICITY: Binds to human and mouse BCMA and TACI. Binds to proteoglycans.
BIOLOGICAL ACTIVITY: Stimulates proliferation of serum-starved NIH 3T3 cells. Stimulates B cell proliferation.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least 6 months after receipt when stored at -20°C.
HANDLING: Avoid freeze/thaw cycles. After reconstitution, prepare aliquots and store at -20°C.
Product Images
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Product Specific Literature References
DCs induce CD40-independent immunoglobulin class switching through BLyS and APRIL: M.B. Litinskiy, et al.; Nat. Immunol. 3, 822 (2002) Abstract
APRIL modulates B and T cell immunity: J.V. Stein, et al.; J. Clin. Invest. 109, 1587 (2002) Abstract; Full Text
Lymphoma B cells evade apoptosis through the TNF family members BAFF/BLyS and APRIL: B. He, et al.; J. Immunol. 172, 3268 (2004) Abstract; Full Text
Potential role of APRIL as autocrine growth factor for megakaryocytopoiesis: D. Bonci, et al.; Blood 104, 3169 (2004) Abstract; Full Text
BAFF regulates B cell survival by downregulating the BH3-only family member Bim via the ERK pathway: A. Craxton, et al.; J. Exp. Med. 202, 1363 (2005) Abstract
APRIL and BAFF promote increased viability of replicating human B2 cells via mechanism involving cyclooxygenase 2: P.K. Mongini, et al.; J. Immunol. 176, 6736 (2006) Abstract; Full Text
TACI regulates IgA production by APRIL in collaboration with HSPG: D. Sakurai, et al.; Blood 109 , 2961 (2007) Abstract
BAFF and APRIL support chronic lymphocytic leukemia B-cell survival through activation of the canonical NF-kappaB pathway: T. Endo, et al.; Blood 109, 703 (2007) Abstract; Full Text
General Information
BACKGROUND/TECHNICAL INFORMATION

Swiss-Prot link O75888: APRIL (human)
AfCS Signalling Gateway link A000305: APRIL (mouse)

FLAG is a registered trademark of Sigma-Aldrich Co.

MANUFACTURER Manufactured by Apotech Corporation.
General Literature References
APRIL, a new ligand of the tumor necrosis factor family, stimulates tumor cell growth: M. Hahne, et al.; J. Exp. Med. 188, 1185 (1998) Abstract
Interaction of the TNF homologues BLyS and APRIL with the TNF receptor homologues BCMA and TACI: S.A. Marsters, et al.; Curr. Biol. 10, 785 (2000) Abstract
A soluble form of B cell maturation antigen, a receptor for the tumor necrosis factor family member APRIL, inhibits tumor cell growth: P. Rennert, et al.; J. Exp. Med. 192, 1677 (2000) Abstract
Tumor necrosis factor (TNF) receptor superfamily member TACI is a high affinity receptor for TNF family members APRIL and BLyS: Y. Wu, et al.; J. Biol. Chem. 275, 35478 (2000) Abstract
APRIL and TALL-I and receptors BCMA and TACI: system for regulating humoral immunity: G. Yu, et al.; Nat. Immunol. 1, 252 (2000) Abstract
B-cell maturation protein, which binds the tumor necrosis factor family members BAFF and APRIL, is dispensable for humoral immune responses: S. Xu & K.P. Lam; Mol. Cell. Biol. 21, 4067 (2001) Abstract
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins
 
 
ALX-350-312 Revised 28-May-08
(-)-Arctigenin
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SYNONYMS (3R,4R)-4-[(3,4-Dimethoxyphenyl)methyl]dihydro-3-[(4-hydroxy-3-methoxyphenyl)methyl]-2-(3H)-furanone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
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ALX-350-312-M025   25 mg 70.00 USD Add To Cart
Product Specification
FORMULA: C21H24O6
MW: 372.4
CAS NUMBER: 7770-78-7
SOURCE/HOST: Isolated from Arctium lappa.
PURITY: ≥97% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (34mg/ml, heating, sonication); sparingly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C

Product Description
Lignan derivative, which shows antitumor, anti-inflammatory, immunomodulatory and neuroprotective activities. Down-regulates anti-apoptotic protein Bcl-XL. Potent inhibitor of HIV type-I integrase and DNA topoisomerase II. Shows phytoestrogenic and cytotoxic properties against Hep62 cells.  Antagonist for platelet activating factor and Ca2+. Blocks the activation of Akt (protein kinase B; PKB) induced by glucose starvation.
Product Specific Literature References
Antiproliferative effect of Arctigenin and Arctiin: S.Y. Ryu, et al.; Arch. Pharm. Res. 18, 462 (1995)
(-)-Arctigenin as a lead structure for inhibitors of human immunodeficiency virus type-1 integrase: E. Eich, et al.; J. Med. Chem 39, 86 (1996) Abstract
Immunomodulatory effect of arctigenin, a lignan compound, on tumour necrosis factor-alpha and nitric oxide production, and lymphocyte proliferation: J.Y. Cho, et al.; J. Pharm. Pharmacol. 51, 1267 (1999) Abstract
Arctigenin protects cultured cortical neurons from glutamate-induced neurodegeneration by binding to kainate receptor: Y.P. Jang, et al.; J. Neurosci. Res. 68, 233 (2002) 68, 233 (2002) Abstract
A phytochemical study of lignans in whole plants and cell suspension cultures of Anthriscus sylvestris: A. Koulman, et al.; Planta Med. 69, 733 (2003) Abstract
Naturally occurring lignans efficiently induce apoptosis in colorectal tumor cells: B. Hausott, et al.; J. Cancer Res. Clin. Oncol. 129, 569 (2003) Abstract
Arctigenin, a phenylpropanoid dibenzylbutyrolactone lignan, inhibits MAP kinases and AP-1 activation via potent MKK inhibition: the role in TNF-alpha inhibition: M.K. Cho, et al.; Int. Immunopharmacol. 4, 1419 (2004) Abstract
Arctigenin, a phenylpropanoid dibenzylbutyrolactone lignan, inhibits MAP kinases and AP-1 activation via potent MKK inhibition: the role in TNF-alpha inhibition: M.K. Cho, et al.; Int. Immunopharmacol. 4, 1419 (2004) Abstract
Identification of arctigenin as an antitumor agent having the ability to eliminate the tolerance of cancer cells to nutrient starvation: S. Awale, et al.; Cancer Res. 66, 1751 (2006) Abstract
The chemopreventive effects of Saussurea salicifolia through induction of apoptosis and phase II detoxification enzyme: K. Kang, et al.; Biol. Pharm. Bull. 30, 2352 (2007) Abstract
 
 
ALX-350-318 Revised 17-Jun-08
(-)-Arctiin
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SYNONYMS (3R,4R)-4-[(3,4-Dimethoxyphenyl)methyl]-3-[[4-(β-D-glucopyranosyloxy)-3-methoxyphenyl]methyl]dihydro-2(3H)-furanone
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Natural Products - Antitumor Reagents
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ALX-350-318-M025   25 mg 60.00 USD Add To Cart
Product Specification
FORMULA: C27H34O11
MW: 534.6
CAS NUMBER: 20362-31-6
SOURCE/HOST: Isolated from Arctium lappa.
PURITY: ≥95% (HPLC)
APPEARANCE: White to off-white solid.
SOLUBILITY: Soluble in DMSO (5mg/ml); sparingly soluble in water.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HANDLING: Protect from light.

Product Description

Lignan derivative with antitumor activities. Down-regulates anti-apoptotic protein Bcl-XL. Potent inhibitor of HIV type-I integrase and DNA topoisomerase II. Shows phytoestrogenic activity and is an antagonist for platelet activating factor and Ca2+.

Product Specific Literature References
Platelet activating factor (PAF) antagonists contained in medicinal plants: lignans and sesquiterpenes: S. Iwakami, et al.; Chem. Pharm. Bull. (Tokyo) 40, 1196 (1992) Abstract
Antiproliferative effect of Arctigenin and Arctiin: S.Y. Ryu, et al.; Arch. Pharm. Res. 18, 462 (1995)
Cytotoxic components of bardanae fructus (goboshi): S. Moritani, et al.; Biol. Pharm. Bull. 19, 1515 (1996) Abstract
Plant-derived leading compounds for chemotherapy of human immunodeficiency virus (HIV) infection: A.J. Vlietinck, et al.; Planta Med. 64, 97 (1998) Abstract
Anti-tumor-promoting activity of lignans from the aerial part of Saussurea medusa: M. Takasaki, et al.; Cancer Lett. 158, 53 (2000) Abstract
Isolation and identification of arctiin and arctigenin in leaves of burdock (Arctium lappa L.) by polyamide column chromatography in combination with HPLC-ESI/MS: S. Liu, et al.; Phytochem. Anal. 16, 86 (2005) Abstract
Application of preparative high-speed counter-current chromatography for separation and purification of arctiin from Fructus Arctii: X. Wang, et al.; J. Chromatogr. A. 1063, 247 (2005) Abstract
The chemopreventive effects of Saussurea salicifolia through induction of apoptosis and phase II detoxification enzyme: K. Kang, et al.; Biol. Pharm. Bull. 30, 2352 (2007) Abstract
 
 
ALX-522-025 Revised 25-Aug-08
BAFF, Soluble (human) (recombinant)
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SYNONYMS BlyS, Soluble (human) (recombinant)
TALL-1, Soluble (human) (recombinant)
THANK, Soluble (human) (recombinant)
zTNF4, Soluble (human) (recombinant)
TNFSF 13B/20, Soluble (human) (recombinant)
CD257, Soluble (human) (recombinant)
PRODUCT LINE Chemokines & Cytokines
PRODUCT CATEGORY BAFF
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ALX-522-025-C010   10 µg 365.00 USD Add To Cart
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Product Specification
SPECIES CROSSREACTIVITY:
Human
Mouse
MW: ~28kDa (SDS-PAGE).
SOURCE/HOST: Produced in E. coli. The extracellular domain of human BAFF (aa 83-285) is fused at the N-terminus to a linker peptide (6 aa) and a FLAG®-tag.
CONCENTRATION: 0.1mg/ml after reconstitution.
PURITY: ≥95% (SDS-PAGE)
FORMULATION: Lyophilized. Contains PBS.
ENDOTOXIN CONTENT: <0.1EU/µg purified protein (LAL test; Bio Whittaker).
RECONSTITUTION: Reconstitute with 100µl sterile water. Further dilutions should be made with medium containing 5% fetal calf serum.
SPECIFICITY: Binds to human and mouse (weak) BCMA, TACI and BAFF-R.
BIOLOGICAL ACTIVITY: Mediates splenocyte survival. Induces monocyte survival.
APPLICATION: Detection of receptors of human soluble BAFF on target cells.
SHIPPING: SHIPPED ON BLUE ICE
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for at least 6 months after receipt when stored at -20°C.
HANDLING: Avoid freeze/thaw cycles. After reconstitution, prepare aliquots and store at -20°C.
Product Images
Please click on thumbnails to enlarge.
Product Specific Literature References
BAFF binds to the tumor necrosis factor receptor-like molecule B cell maturation antigen and is important for maintaining the peripheral B cell population: J.S. Thompson, et al.; J. Exp. Med. 192, 129 (2000) Abstract; Full Text
BAFF mediates survival of peripheral immature B lymphocytes: M. Batten, et al.; J. Exp. Med. 192, 1453 (2000) Abstract; Full Text
Maturation of marginal zone and follicular B cells requires B cell activating factor of the tumor necrosis factor family and is independent of B cell maturation antigen: P. Schneider, et al.; J. Exp. Med. 194, 1691 (2001) Abstract
T cell costimulation by the TNF ligand BAFF: B. Huard, et al.; J. Immunol. 167, 6225 (2001) Abstract
Aberrant expression of B-lymphocyte stimulator by B chronic lymphocytic leukemia cells: a mechanism for survival: A.J. Novak, et al.; Blood 100, 2973 (2002) Abstract; Full Text
BAFF is a survival and maturation factor for mouse B cells: A.G. Rolink, et al.; Eur. J. Immunol. 32, 2004 (2002) Abstract
Expression of BLyS and its Receptors in B-Cell Non-Hodgkin Lymphoma: Correlation with Disease Activity and Patient Outcome: A.J. Novak, et al.; Blood 104, 2247 (2004) Abstract
TACI is mutant in common variable immunodeficiency and IgA deficiency: E. Castigli, et al.; Nat. Genet. 37, 829 (2005) Abstract
A role for BLyS in the activation of innate immune cells: S.K. Chang, et al.; Blood 108, 2687 (2006) Abstract; Full Text
Viral Double-Stranded RNA Triggers Ig Class Switching by Activating Upper Respiratory Mucosa B Cells through an Innate TLR3 Pathway Involving BAFF: W. Xu, et al.; J. Immunol. 181, 276 (2008) Abstract
General Information
BACKGROUND/TECHNICAL INFORMATION

Swiss-Prot link Q9Y275: BAFF (human)
AfCS Signalling Gateway link A000383: BAFF (mouse)

FLAG is a registered trademark of Sigma-Aldrich Co.

MANUFACTURER Manufactured by Apotech Corporation.
General Literature References
TNFR-associated factor-3 is associated with BAFF-R and negatively regulates BAFF-R-mediated NF-kappa B activation and IL-10 production: L.G. Xu & H.B. Shu; J. Immunol. 169, 6883 (2002) Abstract; Full Text
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins