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

DPA43

tert-Butyloxycarbonyl-Proline-α,β‐dehydrophenylalanine-Valine-α,β‐dehydrophenylalanine-Alanine-Methyl ester

Sequence: Boc-P-ΔF-V-ΔF-A-OMe

Core Sequence: P-ΔF-V-ΔF-A

R Value: 0.0614

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

Conformation: S shaped conformation

Reference

Mathur, P., Ramagopal, UA., Ramakumar, S., Jagannathan, NR., Chauhan, VS. (2005) Stabilization of Unusual Structures in Peptides Using a,b-Dehydrophenylalanine: Crystal and Solution Structures of Boc–Pro–DPhe–Val–DPhe–Ala–OMe and Boc–Pro–DPhe–Gly–DPhe–Ala–OMe

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Proline-α,β‐dehydrophenylalanine-Valine-α,β‐dehydrophenylalanine-Alanine-Methyl ester
Sequence: Boc-P-ΔF-V-ΔF-A-OMe
Core Sequence: P-ΔF-V-ΔF-A
Sequence Length: 5
Molecular Weight (amu): 689.8
Molecular Formula: C37-H47-N5-O8
R Value: 0.0614
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methyl ester
Conformation: S shaped conformation
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Proline -57.2 142.6 Unmeasured
α,β‐dehydrophenylalanine 95 -14.4 Unmeasured
Valine -65 130.5
α,β‐dehydrophenylalanine 75.5 3
Alanine -63.6 -24.9