Enzymes & Inhibitors

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  • Macerozyme R-10

    RPI (Research Products International)

    Macerating enzyme from Rhizopus sp. Often used in combination with Cellulase (C32200). Optimum pH range 3.5 - 7.0.

  • Lysozyme

    RPI (Research Products International)

    Purified from chicken egg white, 2x crystallized, dialyzed and supplied as a salt free lyophilized powder. Stable for 3 - 5 years when stored dry at 2°C to 8°C.

  • Proteinase K

    RPI (Research Products International)

    From Tritirachium album. Serine protease for protolytic inactivation of nucleases during isolation of DNA and RNA.

  • 2-Nitrophenyl-B-D-Glucopyranoside

    RPI (Research Products International)

    Spectrophotometric substrate for detection of β-D-Glucosidase.

  • 5-Bromo-4-chloro-3-indolyl-B-D-cellobioside

    RPI (Research Products International)

  • Protease Inhibitor Cocktail I

    RPI (Research Products International)

    Lyophilized blend of five inhibitors for inhibiting a broad range of proteasesand esterases. Reconstitutes with 1 ml of water to produce a 100X concentrate solution. Contains: AEBSF E-64 Leupeptin Aprotinin EDTA Specificity: Serine Proteases Esterases …

  • L-Ornithine HCl

    RPI (Research Products International)

    Polyamine growth regulator.

  • DEPC

    RPI (Research Products International)

    Modification reagent for His and Tyr residues in proteins. Inhibitor of nucleases. DEPC treated water is used in handling of RNA in the laboratory to reduce the risk of RNA being degraded by RNases.

  • D-Luciferin, Free Acid

    RPI (Research Products International)

    Used with firefly luciferase in bioluminescence for the determination of ATP.

  • X-GAL, Solution

    RPI (Research Products International)

    Solution contains 50mg/mL X-GAL in DMF. Protect from light.

  • MUG

    RPI (Research Products International)

    Fluorescent substrate for β-D-Glucuronidase (GUS) encoded by the gusA gene isolated from E. coli. Fluorescence assay allows quantitation of GUS activity in protein extracts at peak excitation of 365 nm (UV) and a peak emission of 455 nm (blue).

  • 4-Methylumbelliferyl-N-acetyl-B-D-glucosaminide

    RPI (Research Products International)

    Fluorescent substrate for N-Acetyl-B-D-glucosaminidase and B-N-Acetyl-D-hexosaminidase. Ultrasensitive. Checked by actual enzymatic assay.

  • Protease Inhibitor Cocktail II, Bacterial

    RPI (Research Products International)

    Lyophilized mixture of five protease inhibitors for use with bacterial cell extracts. Reconstitute with 1ml DMSO and 4ml water to obtain a 5ml solution. Will treat proteases extracted from 20g E.Coli. Store at -20°C Contains: AEBSF, EDTA, Bestatin, E-64, Pepstatin A

  • ONPG

    RPI (Research Products International)

    Colorimetric and spectrophotometric substrate for detection of β-D-Galactosidase.

  • D-Luciferin, Potassium Salt

    RPI (Research Products International)

    RPI offers the highest purity D-Luciferin Potassium Salt for a wide range of bioluminescent applications. Produces bioluminescence when oxidized by firefly luciferase. Allows highly sensitive bioluminescent measurements. Common research uses reporter gene assays, ATP assays, whole animal studies,…

  • PMSF

    RPI (Research Products International)

    Irreversible serine protease inhibitor of chymotrypsin, kallikrein, papain, subtilisin, thrombin and trypsin. Working Conentration: 0.1-1.0mM.

  • X-a-Gal

    RPI (Research Products International)

    Chromogenic substrate for detection of a-galactosidase activity in yeast Saccharomyces cerevisiae. Used in yeast Two-Hybrid System to detect protein-protein interactions within random libraries. The enzyme a-galactosidase enabels yeast to use disaccharide melibose as a carbon source during growth…

  • Phosphatase Inhibitor Cocktail III

    RPI (Research Products International)

    Lyophilized blend of four phosphatase inhibitors for use with animal tissue estracts. Reconstitute with 1ml water to produce a 1 ml concentrate. Contains: Sodium Fluoride Sodium Orthovanadate Sodium Pyrophosphate, decahydrate B-Glycerophosphate Specificity: …

  • Chymostatin

    RPI (Research Products International)

    Reversible serine protease inhibitor of a,b,y, and chymostatin, papain, and cathepsins A,B,C. Working concentrations: 10-100uM.

  • Pepstatin A

    RPI (Research Products International)

    An inhibitor of aspartic proteases. Forms a 1:1 complex with proteases such as pepsin, renin and cathepsin D. Highly selective and does not inhibit thiol proteases, neutral proteases, or serine proteases.

  • Coenzyme A

    RPI (Research Products International)

    Extracted from yeast. Coenzyme A is a coenzyme, notable for its role in the synthesis and oxidation of fatty acids, and the oxidation of pyuvate in the citric acid cycle.

  • X-GAL & IPTG, Ready to Use, Non-Toxic Solution

    RPI (Research Products International)

    Stable solution of X-GAL and IPTG. Does not contain DMSO or DMF. Solution concentration is 10 mg/ml X-Gal and 8 mg/ml IPTG. Shelf Life: 1 Year

  • Leupeptin Hemisulfate

    RPI (Research Products International)

    Reversible inhibitor of cysteine and serine proteases resembling trypsin, Inhibits cathepsin B, kallikrein, papain, plasmin, thrombin and trypsin. Working concentration: 1-10uM

  • IPTG, Non-Mammalian

    RPI (Research Products International)

  • Protease Inhibitor Cocktail V, EDTA Free

    RPI (Research Products International)

    Lyophilized blend of four protease inhibitors for inhibiting serine and cysteine but not metallo proteases. Reconstitute with 1ml of water to produce a 100X concentrated stock solution. Contains: AEBSF E-64 Aprotinin Leupeptin

  • Protease Inhibitor Cocktail I, Animal Free

    RPI (Research Products International)

    Lyophillzed blend of five protease inhibitors for applications that require animal free reagents. Reconstitute with 1 ml water to produce a 100X concentrated solution. Contains: AEBSF Aprotinin (recombinant) E-64 EDTA Leupeptin Specificity: Serine Proteases …

  • IPTG

    RPI (Research Products International)

    IPTG is combined with X-GAL to detect lac+ colonies or cells in a colorimetric assay. Distinguishes recombinants (white) from non- recombinants (blue) in cloning strategies using vectors such as Lambda-11, M13mp 18 and 19, pUC18 and 19, pUR222 containing the lacZ gene. Dioxane-Free Water…

  • X-GAL

    RPI (Research Products International)

    Chromogenic substrate of β-Galactosidase used in combination with IPTG for detection of β-Galactosidase activity in bacterial colonies. X-GAL is cleaved at the B1-4 bond between galactose and the 5-Bromo-4-chloro-3-indolyl portion of X-GAL by β-Galactosidase via hydrolysis. The…

  • NBT

    RPI (Research Products International)

    Colorimetric substrate for dehydrogenases and other oxidases. NBT is used with X-Phos for colorimetric detection of alkaline phosphatase activity in blotting, immunohistochemical and cytochemistry techniques. Protect from light.

  • Phosphoramidon

    RPI (Research Products International)

    Protease inhibitor specific for thermolysin and other metalloproteases. Also effective inhibitor of collegenase. Working Concentration: 5-500 um * Please Note: This product ships on ice to ensure chemical stability. Product will not ship on a Friday or on any day before a Holiday that…

  • Aprotinin Solution 10,000 KIU/mL

    RPI (Research Products International)

    Aprotinin is a competitive serine protease inhibitor that inhibits trypsin, chymotrypsin, kallikrein, and plasmin. Material is provided as a solution containing 10,000 KIU/mL of aprotinin.

  • 4-Nitrophenyl Phosphate

    RPI (Research Products International)

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