A manually curated database of peptides containing Dehydro-Phenyl-Alanine and Amino-Iso-Butyric Acid

DPA25

tert-Butyloxycarbonyl-Leucine-α,β‐dehydrophenylalanine-Alanine-Leucine-Methyl ester

Sequence: Boc-L-ΔF-A-L-OMe

Core Sequence: L-ΔF-A-L

R Value: 0.049

Residue Involved: Leucine | α,β‐dehydrophenylalanine | Alanine | Leucine

Conformation: Type III β‐bend

Reference

CHAUHAN, V. and BHANDARY, K. (2009). Crystal structure and conformation of a highly constrained linear tetrapeptide Boc-Leu-dehydro Phe-Ala-Leu-OCH3. International Journal of Peptide and Protein Research, 39(3), pp.223-228.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Leucine-α,β‐dehydrophenylalanine-Alanine-Leucine-Methyl ester
Sequence: Boc-L-ΔF-A-L-OMe
Core Sequence: L-ΔF-A-L
Sequence Length: 4
Molecular Weight (amu): 574.724
Molecular Formula: C30H46N4O7
R Value: 0.049
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methyl ester
Conformation: Type III β‐bend
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Leucine -54.1 -34.5 -179.9
α,β‐dehydrophenylalanine -59.9 -17.1 177.5
Alanine -80.4 0.5 -173.7
Leucine -111.8 -176.3 173.5