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| Product | Description | |
|---|---|---|
| DTNB | DTNB (Ellmans Reagent) is a chemical used to quantify the number or concentration of thiol groups [1]. Uses: Scientific research. Group: Biochemical assay reagents. Alternative Names: Ellmans Reagent. CAS No. 69-78-3. Pack Sizes: 10 mM * 1 mL; 1 g; 5 g. Product ID: HY-15915. |  |
| 5,5'-Dithiobis(2-nitrobenzoic acid) | 3,3'-Dithiobis[6-nitrobenzoic Acid is an membrane-impermeant thiol/disulfide exchange blocker. Also used to quantify the number or concentration of thiol groups in a sample. Ellman?s reagent maybe used for acetylcholinesterase assay, and to specifically label cysteine residues. It is a sensitive reagent for measuring the free sulfhydryl content in proteins, peptides, and tissues. Group: Biochemicals. Alternative Names: 2,2'-Dinitro-5,5'-dithiodibenzoic Acid; 3,3'-Dithiobis(6-nitrobenzoic Acid); 5,5'-Dithiobis[2-nitrobenzoic Acid]; Ba 2767; DTNB; Ellmans Reagent. Grades: Highly Purified. CAS No. 69-78-3. Pack Sizes: 25g, 50g, 100g. Molecular Formula: C??H?N?O?S?. US Biological Life Sciences. |  Worldwide |
| Biotin-5,5'-dithiobis(2-nitrobenzoic acid) | Biotin-5,5'-dithiobis(2-nitrobenzoic acid). Group: Biochemicals. Alternative Names: Biotin-DTNB. Grades: Highly Purified. Pack Sizes: 5mg, 10mg, 25mg, 50mg, 100mg. US Biological Life Sciences. | Worldwide |
| Native Escherichia coli Apotryptophanase | Apotryptophanase hydrolizes tryptophan and is capable of catalyzing α,β-elimination reactions with a number of substituted amino acids, including S-methyl-, S-ethyl-and S-benzyl-L-cysteine. DTNB inactivates tryptophanase. Applications: Apotryptophanase is used for the quantitative determination of pyridoxal-phosphate. apotryptophanase, from creative enzymes, has been used to study pregnancy-associated plp deficiency and vitamin b-6 deficiency. Group: Enzymes. Synonyms: L-tryptophanase; L-tryptophan indole-lyase (deaminating); TNase; EC 4.1.99.1; 9024-00-4. Enzyme Commission Number: EC 4.1.99.1. CAS No. 9024-00-4. TNase. Activity: 75-150 units/mg solid. Storage: -20°C. Form: soluble powder. Source: Escherichia coli. L-tryptophanase; L-tryptophan indole-lyase (deaminating); TNase; EC 4.1.99.1; 9024-00-4. Cat No: NATE-0706. |  |
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