Histamine Dehydrogenase (HDH)

Description Laboratory teams evaluating a Histamine Dehydrogenase need clear product identity, activity, purity, physical form, and storage information before selecting an enzyme. HDH-201 is Histamine Dehydrogenase (HDH) produced by recombinant expression and identified with Enzyme Commission number EC 1.4.99. HDH-201 is supplied as a yellow lyophilized powder. The product specification includes an activity of ≥1 U/mg protein and a purity of ≥90%. Its appearance is specified as clear. For storage planning, HDH-201 has a stated stability of at least 2 years at 2–8°C and at least 3 years at −20°C. These defined specifications allow laboratories to review the recombinant Histamine Dehydrogenase product before use. Specification Product Name Histamine Dehydrogenase Abbreviation HDH Product Number HDH-201 EC Number EC 1.4.99 Source Microorganism Production Recombinant Expression Description Yellow lyophilized powder Appearance Clear Activity ≥1 U/mg protein Purity ≥90% Storage and Stability 2–8°C: at least 2 years −20°C: at least 3 years Features Histamine Dehydrogenase identified as HDH Product number HDH-201 Enzyme Commission number EC 1.4.99 Microorganism source Produced by recombinant expression Supplied as a yellow lyophilized powder Activity of ≥1 U/mg protein Purity of ≥90% Stability of at least 2 years at 2–8°C Stability of at least 3 years at −20°C Application The supplied product information identifies HDH-201 as recombinant Histamine Dehydrogenase from a microorganism. No specific application is stated in the supplied product information. Documents COA Frequently Asked Questions What is HDH-201? HDH-201 is Histamine Dehydrogenase, abbreviated as HDH. It is produced by recombinant expression and is listed as originating from a microorganism. What is the EC number of Histamine Dehydrogenase HDH-201? The Enzyme Commission number listed for Histamine Dehydrogenase HDH-201 is EC 1.4.99. Is HDH-201 a recombinant Histamine Dehydrogenase? Yes. The supplied product information states that HDH-201 is produced by recombinant expression. What is the source of HDH-201? The source listed for Histamine Dehydrogenase HDH-201 is microorganism. What is the activity of Histamine Dehydrogenase HDH-201? The specified activity of HDH-201 is ≥1 U/mg protein. What is the purity of recombinant Histamine Dehydrogenase HDH-201? The specified purity of HDH-201 is ≥90%. What is the physical form of HDH-201? HDH-201 is supplied as a yellow lyophilized powder. What is the specified appearance of HDH-201? The specified appearance of HDH-201 is clear. How should Histamine Dehydrogenase HDH-201 be stored? The supplied product information lists storage conditions of 2–8°C and −20°C. How stable is HDH-201 at 2–8°C? HDH-201 has a stated stability of at least 2 years when stored at 2–8°C. How stable is HDH-201 at −20°C? HDH-201 has a stated stability of at least 3 years when stored at −20°C. What applications are specified for HDH-201? No specific application is stated in the supplied product information.