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The reaction makes a six-membered ring by forming a bond between C-6 of the 3,4-dihydroxyphenyl group of the dopamine and C-1 of the aldehyde in the imine formed between the substrates. The product is the precursor of the benzylisoquinoline alkaloids in plants. The enzyme, formerly known as (S)-norlaudanosoline synthase, will also catalyse the reaction of 4-(2-aminoethyl)benzene-1,2-diol + (3,4-dihydroxyphenyl)acetaldehyde to form (S)-norlaudanosoline, but this alkaloid has not been found to occur in plants. Group: Enzymes. Synonyms: (S)-norlaudanosoline synthase; 4-hydroxyphenylacetaldehyde hydro-lyase (adding dopamine). Enzyme Commission Number: EC 4.2.1.78. CAS No. 79122-01-3. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-5062; (S)-norcoclaurine synthase; EC 4.2.1.78; 79122-01-3; (S)-norlaudanosoline synthase; 4-hydroxyphenylacetaldehyde hydro-lyase (adding dopamine). Cat No: EXWM-5062.
Ac-Val-Glu-Ile-Asp-aldehyde (pseudo acid)
Ac-VEID-CHO is an inhibitor of caspase-6 (IC50 = 16.2 nM). It is selective for caspase-6 over caspase-7 (IC50 = 162.1 nM) but can also inhibit caspase-3 (IC50 = 13.6 nM). Synonyms: N-acetyl-L-valyl-L-alpha-glutamyl-L-isoleucyl-L-aspart-1-al; N-acetyl-Val-Glu-Ile-Asp-aldehyde; N-Acetyl-L-valyl-L-alpha-glutamyl-N-[(2S)-1-carboxy-3-oxo-2-propanyl]-L-isoleucinamide; L-Isoleucinamide, N-acetyl-L-valyl-L-α-glutamyl-N-[(1S)-2-carboxy-1-formylethyl]-; N-Acetyl-Val-Glu-Ile-Asp-al; (4S,7S,10S,13S)-10-((S)-sec-butyl)-7-(2-carboxyethyl)-13-formyl-4-isopropyl-2,5,8,11-tetraoxo-3,6,9,12-tetraazapentadecan-15-oic acid; Caspase-6 Inhibitor; Ac-VEID-CHO. Grades: ≥95%. CAS No. 319494-39-8. Molecular formula: C22H36N4O9. Mole weight: 500.54.
trans-2,cis-6-Nonadienal
trans-2,cis-6-Nonadienal is an unsaturated aldehyde that is responsible for the cucumber smell of Synura petersenii, a freshwater colonial flagellate. trans-2,cis-6-Nonadienal is also a common natural and drinking water contaminant. Group: Biochemicals. Grades: Highly Purified. CAS No. 557-48-2. Pack Sizes: 5g, 10g. Molecular Formula: C9H14O. US Biological Life Sciences.
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