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Z-Tyr-Ala-Ala-NH2 is a synthetic peptide consisting of four amino acids: Tyrosine (Tyr), Alanine (Ala), Alanine (Ala), and an amide group (NH2). The "Z" prefix indicates the presence of a carbobenzoxy (Cbz) protecting group on the N-terminus, which is commonly used in peptide synthesis to prevent unwanted side reactions. This peptide is often used as a substrate for various proteases, enzymes that cleave peptide bonds, and is also employed in the study of enzyme kinetics and mechanism. Its small size and well-defined structure make it a useful model for understanding protein-protein interactions and for the development of new drugs targeting specific enzymes.

99940-49-5

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99940-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99940-49-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,4 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99940-49:
(7*9)+(6*9)+(5*9)+(4*4)+(3*0)+(2*4)+(1*9)=195
195 % 10 = 5
So 99940-49-5 is a valid CAS Registry Number.

99940-49-5Downstream Products

99940-49-5Relevant academic research and scientific papers

111. Enzyme-Catalyzed Peptide-Bond Formation: Elastase- and δ-Chymotrypsin-Assisted Synthesis of Oligopeptides

Bizzozero, Spartaco A.,Dutler, Hans,Franzstack, Ruth,Rovagnati, Bruno A.

, p. 981 - 987 (2007/10/02)

A series of penta- and hexapeptides of the structure Ac-Lxn-...-Lx1-Ly1-...-Lym-NH2 with phenylalanine or tyrosine in Lx1 and glycine or alanine in the other positions were synthesized using elastase

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