L-Leucyl-4-nitroanilide
CAS No. : 4178-93-2
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| Cat. No. : | HY-W011911 |
| M.Wt: | 251.29 |
| Formula: | C12H17N3O3 |
| Purity: | >98 % |
| Solubility: | DMSO : 100 mg/mL (ultrasonic) |
L-Leucyl-4-nitroanilide is a chromogenic substrate suitable for activity assays of leucine aminopeptidase, and it can be used in studies related to the enzymatic properties of aminopeptidases[1][2].
In Vitro:L-Leucyl-4-nitroanilide (LpNa) serves as a substrate for extracellular leucine aminopeptidases 1 and 2 derived from Aspergillus oryzae (I.P.410). These two enzymes exhibit arylamidase activity toward LpNa, and this activity is inhibited by straight-chain alcohols (but not branched-chain alcohols) in a carbon chain length-dependent manner[1].
L-Leucyl-4-nitroanilide (Leu-4-NA) (25 mM; 2 h) is cleaved by purified aminopeptidase from Brevibacterium linens ATCC 9174, generating a colorimetric signal at 405 nm[2].
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