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DNA Replication Other Products
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ALX-201-278 Revised 30-Sep-08
DNA Ligase I (human) (recombinant) (His)
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SYNONYMS DNA Ligase 1 (human) (recombinant) (His)
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA Replication Other Products
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Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-201-278-C010   10 µg 260.00 USD Add To Cart
Product Specification
MW: ~102kDa. Note: The mobility of DNA ligase I in a PAA gel is not corresponding to its MW; it runs at ~125kDa.
SOURCE/HOST: Produced in E. coli. Full length human DNA ligase I is fused at the N-terminus to a His-tag.
CONCENTRATION: 0.6mg/ml
PURITY: ≥95% (SDS-PAGE)
FORMULATION: Liquid. In 20mM HEPES-KOH, pH 7.5, containing 30mM sodium chloride, 1mM EDTA, 1mM DTT and 30% glycerol.
SHIPPING: SHIPPED ON DRY ICE
SHORT TERM STORAGE: -80°C
USE/STABILITY: Enzyme is freshly produced upon customer request and is stable for ~2 weeks at -80°C. Very prone to degradation even in the absence of proteases. Freeze in liquid nitrogen for long term storage.
HANDLING: After opening, prepare aliquots and store in liquid nitrogen. Avoid freeze/thaw cycles.
Product Specific Literature References
The checkpoint clamp, Rad9-Rad1-Hus1 complex, preferentially stimulates the activity of apurinic/apyrimidinic endonuclease 1 and DNA polymerase beta in long patch base excision repair: A. Gembka, et al.; Nucleic Acids Res. 35, 2596 (2007) Abstract; Full Text
Related Products
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins • DNA Repair Other Products
 
 
ALX-480-100 Revised 27-Mar-08
Fludarabine
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SYNONYMS 2-Fluoroadenine-9-β-D-arabinofuranoside
PRODUCT LINE Cancer
PRODUCT CATEGORY Antitumor Agents (Apoptosis Inducers)
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ALX-480-100-M005   5 mg 45.00 USD Add To Cart
ALX-480-100-M025   25 mg 180.00 USD Add To Cart
Product Specification
FORMULA: C10H12FN5O4
MW: 285.2
CAS NUMBER: 21679-14-1
MERCK INDEX: 14: 4126
RTECS: AU6207000
PURITY: ≥98% (HPLC)
APPEARANCE: White to pale yellow crystalline powder.
SOLUBILITY: Sparingly soluble in water or organic solvents.
SHIPPING: AMBIENT
LONG TERM STORAGE: +4°C
IDENTITY: Determined by IR.

Product Description

Prodrug converted to the free nucleoside 9-β-D-arabinosyl-2-fluoroadenine (F-ara-A). F-ara-A enters cells and accumulates as the 5’-triphosphate. Interferes with DNA synthesis and repair. Induces apoptosis of cancer cells. Inhibits RNA transcription.
Product Specific Literature References
Fludarabine: a new agent with major activity against chronic lymphocytic leukemia: M.J. Keating, et al.; Blood 74, 19 (1989) Abstract; Full Text
Termination of DNA synthesis by 9-beta-D-arabinofuranosyl-2-fluoroadenine. A mechanism for cytotoxicity: P. Huang, et al.; J. Biol. Chem. 265, 16617 (1990) Abstract; Full Text
Action of 9-beta-D-arabinofuranosyl-2-fluoroadenine on RNA metabolism: P. Huang & W. Plunkett; Mol. Pharmacol. 39, 449 (1991) Abstract
Inhibition of RNA transcription: a biochemical mechanism of action against chronic lymphocytic leukemia cells by fludarabine: P. Huang, et al.; Leukemia 14, 1405 (2000) Abstract
Role of fludarabine in hematological malignancies: M. Montillo, et al.; Expert Rev. Anticancer Ther. 6, 1141 (2006) Abstract
Fludarabine-mediated suppression of the excision repair enzyme ERCC1 contributes to the cytotoxic synergy with the DNA minor groove crosslinking agent SJG-136 (NSC 694501) in chronic lymphocytic leukaemia cells: C. Pepper, et al.; Br. J. Cancer 97, 253 (2007) Abstract
Fludarabine induces apoptosis of human T-cell leukemia virus type 1-infected T cells via inhibition of the nuclear factor-kappaB signal pathway: C. Nishioka, et al.; Leukemia 21, 1044 (2007) Abstract
Further Categories Containing This Product:
Transcription Inhibitors / Related Products • DNA Repair Other Products • DNA Replication Other Products
 
 
ALX-480-099 Revised 25-Mar-08
5-Fluorouracil
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SYNONYMS 5-FU
2,4-Dioxo-5-fluoropyrimidine
5-Fluoro-2,4(1H,3H)-pyrimidinedione
PRODUCT LINE Cancer
PRODUCT CATEGORY Antitumor Agents (Apoptosis Inducers)
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ALX-480-099-G001   1 g 15.00 USD Add To Cart
ALX-480-099-G005   5 g 60.00 USD Add To Cart
Product Specification
FORMULA: C4H3FN2O2
MW: 130.1
CAS NUMBER: 51-21-8
MERCK INDEX: 14: 4181
RTECS: YR0350000
PURITY: ≥98% (HPLC)
APPEARANCE: White to off-white crystalline powder.
SOLUBILITY: Soluble in DMSO (5mg/ml), dimethyl formamide (5mg/ml), methanol (1mg/ml) or hot water (1mg/ml).
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
HAZARD: HARMFUL.
IDENTITY: Determined by IR and UV.

Product Description

Potent antitumor agent. Inhibits thymidylate synthetase. Induces p53-dependent apoptosis.
Product Specific Literature References
Apoptosis of human primary and metastatic colon adenocarcinoma cell lines in vitro induced by 5-fluorouracil, verapamil, and hyperthermia: I.B. Shchepotin, et al.; Anticancer Res. 14, 1027 (1994) Abstract
Modulation of the equilibrative nucleoside transporter by inhibitors of DNA synthesis: J. Pressacco, et al.; Br. J. Cancer 72, 939 (1995) Abstract
Nucleoside-mediated mitigation of 5-fluorouracil-induced toxicity in synchronized murine erythroleukemic cells: K.H. Elstein, et al.; Toxicol. Appl. Pharmacol. 146, 29 (1997) Abstract
Effects of perturbations of pools of deoxyribonucleoside triphosphates on expression of ribonucleotide reductase, a G1/S transition state enzyme, in p53-mutated cells: S. Wadler, et al.; Biochem. Pharmacol. 55, 1353 (1998) Abstract
Chemically-induced apoptosis: p21 and p53 as determinants of enterotoxin activity: D.M. Pritchard, et al.; Toxicol. Lett. 102, 19 (1998) Abstract
Effect of 5-fluorouracil on cell cycle regulatory proteins in human colon cancer cell line: H. Takeda, et al.; Jpn. J. Cancer Res. 90, 677 (1999) Abstract
5-fluorouracil sensitivity and dihydropyrimidine dehydrogenase activity in advanced gastric cancer: T. Inada, et al.; Anticancer Res. 20, 2457 (2000) Abstract
Further Categories Containing This Product:
DNA Replication Other Products
 
 
ALX-804-229 Revised 11-Jan-07
Monoclonal Antibody to Rad9 (human) (93A535)
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PRODUCT LINE Cell Cycle
PRODUCT CATEGORY DNA Damage Checkpoint Other Products
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ALX-804-229-C100   100 µg 293.00 USD Add To Cart
Product Specification
SPECIES CROSSREACTIVITY:
Human
CLONE: 93A535
ISOTYPE: Mouse IgG1
CONCENTRATION: 0.5mg/ml
PURITY DETAIL: Protein G-affinity purified.
FORMULATION: Liquid. In PBS containing 0.2% gelatin and 0.05% sodium azide.
IMMUNOGEN: Recombinant human Rad9.
SPECIFICITY: Recognizes human Rad9. Detects a band of ~50kDa by Western blot.
APPLICATION: Immunocytochemistry (see [7])
Immunoprecipitation
Western Blot (1-2µg/ml)
SHIPPING: SHIPPED ON BLUE ICE
SHORT TERM STORAGE: +4°C
LONG TERM STORAGE: -20°C
USE/STABILITY: Stable for 6 months when stored at +4°C.
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Product Specific Literature References
[1] Cloning and sequence analysis of the Saccharomyces cerevisiae RAD9 gene and further evidence that its product is required for cell cycle arrest induced by DNA damage: R.H. Schiestl, et al.; Mol. Cell. Biol. 9, 1882 (1989) Abstract
[2] Characterization of RAD9 of Saccharomyces cerevisiae and evidence that its function acts posttranslationally in cell cycle arrest after DNA damage: T.A. Weinert & L.H. Hartwell; Mol. Cell. Biol. 10, 6554 (1990) Abstract
[3] A human homolog of the Schizosaccharomyces pombe rad9+ checkpoint control gene: H.B. Lieberman, et al.; PNAS 93, 13890 (1996) Abstract
[4] MEC1-dependent phosphorylation of Rad9p in response to DNA damage: A. Emili; Mol. Cell 2, 183 (1998) Abstract
[5] Human homologs of Schizosaccharomyces pombe rad1, hus1, and rad9 form a DNA damage-responsive protein complex: E. Volkmer & L.M. Karnitz; J. Biol. Chem. 274, 567 (1999) Abstract; Full Text
[6] The human G2 checkpoint control protein hRAD9 is a nuclear phosphoprotein that forms complexes with hRAD1 and hHUS1: R.P. St. Onge, et al.; Mol. Biol. Cell 10, 1985 (1999) Abstract
[7] Human homologue of S. pombe Rad9 interacts with BCL-2/BCL-x L and promotes apoptosis: K. Komatsu, et al.; Nature Cell Biol. 2, 1 (2000) Abstract
General Information
Rad9 is a cell cycle checkpoint protein: DNA damage leads to extensive phosphorylation of Rad9 [4] which then inhibits progression from G2 in order to preserve cell viability, allowing proper ligation of DNA breaks before the entry of cells into mitosis [1,2]. The human homolog [3] of S. pombe Rad9 is physically proximal to the upstream (DNA damage) signal and associates with two other checkpoint control proteins, Rad1 and HHUS1 [5,6]. Rad9 also interacts with Bcl-2 family proteins Bcl-2 and Bcl-XL, but not with BAX or BAD. Overexpression of Rad9 in mammalian cells leads to apoptosis, where as antisense Rad9 RNA suppresses cell death induced by methyl methanesulphonate [7].
Further Categories Containing This Product:
Monoclonal Antibodies • DNA Replication Other Products
 
 
ALX-201-233 Revised 22-Jun-07
Rad9/Rad1/Hus1 (human) (recombinant)
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SYNONYMS 9-1-1 Complex (human) (recombinant)
PRODUCT LINE Cell Cycle
PRODUCT CATEGORY DNA Damage Checkpoint Other Products
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ALX-201-233-C005   5 µg 240.00 USD Add To Cart
Product Specification
MW: 106kDa (heterotrimer of 43, 31 and 32kDa)
SOURCE/HOST: Produced in baculovirus.
CONCENTRATION: 1mg/ml
PURITY: ≥90% (by SDS-PAGE).
FORMULATION: Liquid. In 25mM Tris, pH 8.0, containing 20% glycerol, 100mM sodium chloride and 1mM β-mercaptoethanol.
SHIPPING: SHIPPED ON DRY ICE
LONG TERM STORAGE: -80°C
HANDLING: After opening, prepare aliquots and store at -80°C. Avoid freeze/thaw cycles.
Product Specific Literature References
The human Rad9/Rad1/Hus1 damage sensor clamp interacts with DNA polymerase beta and increases its DNA substrate utilisation efficiency: implications for DNA repair: M. Toueille, et al.; Nucl. Acids Res. 32, 3316 (2004) Abstract; Full Text
The human checkpoint sensor and alternative DNA clamp Rad9-Rad1-Hus1 modulates the activity of DNA ligase I, a component of the long-patch base excision repair machinery: E. Smirnova, et al.; Biochem. J. 389, 13 (2005) Abstract
General Literature References
Regulation of the DNA replication fork: a way to fight genomic instability: M. Toueille and U. Hubscher; Chromosoma 113, 113 (2004) Abstract
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins • DNA Replication Other Products
 
 
ALX-201-296 Revised 15-Oct-08 New product
Replication Protein A (human) (recombinant)
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SYNONYMS RP-A (human) (recombinant)
Replication Factor A (human) (recombinant)
RF-A (human) (recombinant)
PRODUCT LINE DNA Regulation / Transcription
PRODUCT CATEGORY DNA Repair Other Products
Ordering Information
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ALX-201-296-C005   5 µg 260.00 USD Add To Cart
Product Specification
MW: ~118kDa (heterotrimer with subunits of 70, 32/34 and 14kDa)
SOURCE/HOST: Produced in E. coli.
CONCENTRATION: 0.16mg/ml
PURITY: ≥98% (SDS-PAGE).
FORMULATION: Liquid. In 20mM TRIS, pH 8.0, containing 10% (v/v) glycerol, 2mM EDTA and 1mM DTT.
SHIPPING: SHIPPED ON DRY ICE
SHORT TERM STORAGE: -20°C
LONG TERM STORAGE: -80°C
USE/STABILITY: Stable for more then 2 year when stored at  -80°C.
HANDLING: Avoid freeze/thaw cycles. After opening, prepare aliquots and store at -80°C.
Product Specific Literature References
Recombinant replication protein A: expression, complex formation, and functional characterization: L.A. Henricksen, et al.; J. Biol. Chem. 269, 11121 (1994) Abstract; Full Text
General Information
BACKGROUND/TECHNICAL INFORMATION Swiss-Prot links
P27694: RFA1 (human)
P15927: RFA2 (human)
P35244: RFA3 (human)
Further Categories Containing This Product:
Recombinant Proteins / Fusion Proteins • DNA Replication Other Products
 
 
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