A manually curated database of peptides containing Dehydro-Phenyl-Alanine and Amino-Iso-Butyric Acid
Protein Data Bank[PDB] Structured Data File [SDF]

DPA15

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

Sequence: Boc-A-ΔF-ΔF-NHMe

Core Sequence: A-ΔF-ΔF

R Value: 0.048

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

Conformation: Left-handed 3(10) helical

Reference

Tuzi, A., Ciajolo, M., Guarino, G., Temussi, P., Fissi, A. and Pieroni, O. (1993). Solid state and solution structure of Boc-L-Ala-?Phe-?Phe-NHMe: A dehydropeptide showing propensity for 310-helices of both screw senses. Biopolymers, 33(7), pp.1111-1121.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Alanine-α,β‐dehydrophenylalanine-α,β‐dehydrophenylalanine-Methylamide
Sequence: Boc-A-ΔF-ΔF-NHMe
Core Sequence: A-ΔF-ΔF
Sequence Length: 3
Molecular Weight (amu): 492.58
Molecular Formula: C27H32N4O5
R Value: 0.048
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methylamide
Conformation: Left-handed 3(10) helical
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Alanine -71.0 -25.0 172.6
α,β‐dehydrophenylalanine -63.1 -11.5 164.7
α,β‐dehydrophenylalanine -62.4 -24.2 -172.6