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

DPA21

tert-Butyloxycarbonyl-Glycine-α,β‐dehydrophenylalanine-Leucine-α,β‐dehydrophenylalanine-Alanine-Methylamide

Sequence: Boc-G-ΔF-L-ΔF-A-NHCH3

Core Sequence: G-ΔF-L-ΔF-A

R Value: 0.038

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

Conformation: Right-handed 3(10) helical

Reference

Bhandary, K. and Chauhan, V. (1993). Peptide design 310-helical conformation of a linear pentapeptide containing two dehydrophenylalanines, Boc-Gly-?ZPhe-Leu-?ZPhe-Ala-NHCH3. Biopolymers, 33(2), pp.209-217.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Glycine-α,β‐dehydrophenylalanine-Leucine-α,β‐dehydrophenylalanine-Alanine-Methylamide
Sequence: Boc-G-ΔF-L-ΔF-A-NHCH3
Core Sequence: G-ΔF-L-ΔF-A
Sequence Length: 5
Molecular Weight (amu): 662.793
Molecular Formula: C35-H46-N6-O7
R Value: 0.038
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methylamide
Conformation: Right-handed 3(10) helical
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Glycine -59.7 -30.5 177.8
α,β‐dehydrophenylalanine -57.5 -27.7 175.4
Leucine -71.2 -15.4 172.8
α,β‐dehydrophenylalanine -58.3 -17.9 176.7
Alanine -79 7.1 173.4