Recombinant streptavidin from streptomyces avidinii, produced in E.coli. Biotin, a 244Da vitamin (Vitamin H) molecule, exhibits an extraordinary binding affinity for streptavidin (Ka=10 15 M -1 ). Biotin and streptavidin interaction is rapid and once the bond is established it can survive up…

Coelenterazine, native; 2-(p-Hydroxybenzyl)-6-(p-hydroxyphenyl)-8-benzyl-imidazo[1,2-a]pyrazin-3-(7H)-one MOLECULAR BIOLOGY GRADE Coelenterazine is a luminophore found in aquatic organisms and is the substrate for many luciferase enzymes, including Renilla reniformis, Gaussia, and…

Blasticidin S is used as a selection agent for transformed cells that contain the resistance genes bls, bsr, or BSD. Also used to study protein synthesis at the level of peptide bond formation. Soluble in water PubChem Chemical ID 16760315 Features CAS#: 3513-03-9 Molecular…

Tested and Certified for in vivo imaging  Luciferin is a common bioluminescent reporter used for in vivo imaging of the expression of the luciferase. This substrate for the Firefly luciferase enzyme utilizes ATP and Mg2+ as co-factors and emits a characteristic yellow-green emission in the…

Avidin is a glycoprotein with approximately 10% of its total mass comes from carbohydrates. Avidin has a molecular weight of 67kDa and contains four identical 128 amino acid subunits that each have a single biotin binding domain. Avidin is a basic protein with an isoelectric pH of 10-10.5 and is…

Features Specificity: Inhibits serine, plasmin, porcine kallikrein and cysteine proteases, including papain and cathepsin B. Does not inhibit chymotrypsin and thrombin. Molecular weight: 475.59 Purity: Three tautomeric isomers in solution Solubility: Soluble in H₂O…

E-64 L-trans-epoxysuccinyl-leucylamide-(4-guanido)-butane or N-[N-(L-trans-carboxyoxiran-2-carbonyl)-L-leucyl]-agmatine Features CAS Number: 66701-25-5 Molecular Formula : …

Isovaleryl-Val-Val-AHMHA-Ala-AHMHA where AHMHA= (3S, 4S)-4-amino-3-hydroxy-6-methyl-heptanoic acid Specificity: A potent inhibitor of various aspartic proteases, including cathepsin D, renin, pepsin, bacterial aspartic proteases and HIV proteases. Solubility: Soluble in DMSO or methanol …

4-Methylumbelliferyl-α- L-iduronic acid cyclohexylammonium salt 4-Methylumbelliferyl-α-L-iduronide. 4-MU-α-L-IdoA • CHX   MOLECULAR BIOLOGY GRADE   Off-white powder   Fluorogenic soluble enzyme substrate for α-L-iduronidase.…