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

DPA13

tert-Butyloxycarbonyl-(D)-Alanine-α,β‐dehydrophenylalanine-Glycine-α,β‐dehydrophenylalanine-(D)-Alanine-Methyl ester

Sequence: Boc-(D)A-ΔF-G-ΔF-(D)-A-OMe

Core Sequence: A-ΔF-G-ΔF-A

R Value: 0.047

Residue Involved: D-Alanine | α,β‐dehydrophenylalanine | Glycine | α,β‐dehydrophenylalanine |D-Alanine

Conformation: Left-handed 3(10) helical

Reference

Ciajolo, M., Tuzi, A., Pratesi, C., Fissi, A. and Pieroni, O. (1990). Crystal and molecular structure of Boc-D-Ala-?Phe-Gly-?Phe-D-Ala-OMe: A 310-helical dehydropeptide. Biopolymers, 30(9-10), pp.911-920.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-(D)-Alanine-α,β‐dehydrophenylalanine-Glycine-α,β‐dehydrophenylalanine-(D)-Alanine-Methyl ester
Sequence: Boc-(D)A-ΔF-G-ΔF-(D)-A-OMe
Core Sequence: A-ΔF-G-ΔF-A
Sequence Length: 5
Molecular Weight (amu): 621.7
Molecular Formula: C32-H39-N5O8
R Value: 0.047
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methyl ester
Conformation: Left-handed 3(10) helical
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
D-Alanine 98.42 -124.8 179.22
α,β‐dehydrophenylalanine 57.82 23.1 -177.57
Glycine 65.3 5.93 164.6
α,β‐dehydrophenylalanine 53.01 25.55 177
D-Alanine 65.51 -152.13 Unmeasured