β-Lactoglobulin A from bovine milk Isoelectric focusing marker, pI 5.1 Sigma L5137
Application β-Lactoglobulin was used in the identification of the genetic variants of κ-casein in milk by isoelectric focusing.1 Biochem/physiol Actions ..
β-Lactoglobulin from bovine milk ≥85% (PAGE), lyophilized powder Sigma L2506
Packaging 1, 5 g in poly bottle Quality Contains β-lactoglobulins A and B which can be isolated chromatographically. ..
β-Lactoglobulin from bovine milk ≥90% (PAGE), lyophilized powder Sigma L0130
Other Notes Contains β-lactoglobulins A and B which can be isolated chromatographically. Packaging 1, 5 g in poly bott..
β-Lactoglobulin from bovine milk ≥90% (PAGE), lyophilized powder Sigma L3908
Frequently Asked Questions Live Chat and Frequently Asked Questions are available for this Product. Other Notes Contains β-..
β-Lapachone ≥98% (TLC) Sigma L2037
Biochem/physiol Actions β-Lapachone is a naturally occurring quinone obtained from the bark of the lapacho tree (Tabebuia avellanedae) with cancer chemopreventive properties. Induces apoptosis in HL-60 and human pr..
β-Mannosidase from Helix pomatia 5-30 units/mL, ammonium sulfate suspension, crude extract Sigma M9400
Unit Definition One unit will hydrolyze 1 μmole of p-nitrophenyl-β-D-mannopyranoside to p-nitrophenol and D-mannopyranoside per min at pH 4.0 at 25°C. P..
β-Mannosidase from Helix pomatia Proteomics Grade, BioReagent Sigma M7819
Packaging Provided with 5× concentrate reaction buffer Unit Definition One unit will hydrolyze 1 μmole of p-nitrophe..
β-Methylcrotonyl coenzyme A lithium salt ≥90% Sigma M3013
Packaging 10, 25 mg in poly bottle Application Coenzyme A functions as an acyl group carrier, acetyl-CoA. β-Methylcrotonyl ..
β-N-Acetylglucosaminidase Assay Kit sufficient for 50 reactions (1 mL), sufficient for 500 reactions (100 μL) Sigma CS0780
Analysis Note The kit assay is based on the hydrolysis of NAG substrate (NP-GLcNAc) by the enzyme. The enzymatic hydrolysis of the substrate liberates p-nitrophenylate ion. The reaction product is detected colorimetrica..
β-N-Acetylglucosaminidase from Canavalia ensiformis (Jack bean) ammonium sulfate suspension, ≥15 units/mg protein Sigma A2264
Analysis Note At pH 4.0, p-nitrophenyl β-N-acetylgalactosaminide is hydrolyzed at approximately 50% of the rate of hydrolysis of p-nitrophenyl β-N-acetylglucosaminide at pH 5.0. ..
β-N-Acetylglucosaminidase from Streptococcus pneumoniae recombinant, expressed in E. coli, buffered aqueous solution Sigma A6805
Biochem/physiol Actions Specific for GlcNAc; not significantly active with GalNAc This enzyme, sometimes called β-N-acetylhexosaminidase, is reported to liber..
β-N-Acetylglucosaminidase from bovine kidney ammonium sulfate suspension, 10-50 units/mg protein Sigma A2415
Biochem/physiol Actions This enzyme, sometimes called β-N-acetylhexosaminidase, is reported to liberate terminal β-linked N-acetylglucosamine and N-acetylgalactosamine from a variety of substrates. ..
β-Naltrexamine dihydrochloride ≥98% (HPLC) Sigma SML1397
Biochem/physiol Actions β-Naltrexamine is a potent orally available, long lasting opioid antagonist. ..
β-Nicotinamide adenine dinucleotide 2′:3′-cyclic monophosphate disodium salt hydrate ≥95% Sigma N5257
Other Notes Analog of β-NADP Substrates Useful as a substrate for 3′-phosphodiesterase, 2′:3′-cyclic nucl..
β-Nicotinamide adenine dinucleotide lithium salt from Saccharomyces cerevisiae ≥95% Sigma N7132
Biochem/physiol Actions Electron acceptor Other Notes This is the common form of NAD. Pa..