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Z-Phe-Lys(Z)-O-tert-Bu is a tripeptide, a chain of three amino acids, consisting of phenylalanine (Phe), lysine (Lys), and a second phenylalanine (Phe) with a protecting group (Z) on both the N-terminal and C-terminal ends. The Z group, or benzyloxycarbonyl, is a temporary protecting group used in peptide synthesis to prevent unwanted side reactions. The tert-butyl (t-Bu) group is a bulky protecting group attached to the hydroxyl group of the side chain of the lysine residue, which also prevents unwanted side reactions. This specific tripeptide is commonly used in the synthesis of larger peptides and proteins, as the protecting groups can be removed under specific conditions to allow for further reactions and elongation of the peptide chain.

63629-31-2

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63629-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 63629-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,6,2 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 63629-31:
(7*6)+(6*3)+(5*6)+(4*2)+(3*9)+(2*3)+(1*1)=132
132 % 10 = 2
So 63629-31-2 is a valid CAS Registry Number.

63629-31-2Relevant academic research and scientific papers

Regioselective modification of Lysine's amino groups by proteases.

Kitaguchi,Ono,Itoh,Klibanov

, p. 3067 - 3073 (1991)

The regioselectivity of six serine proteases for the amino groups of lysine was investigated. alpha-Chymotrypsin showed a preference for the alpha-amino group, although the selectivity can be varied 10-fold depending on the reaction medium. Subtilisin Car

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