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

AIB50

tert-Butyloxycarbonyl-Alpha amino iso butyric acid-Proline-Proline-Methylamide

Sequence: Boc-Aib-P-P-NHMe

Core Sequence: Aib-P-P

R Value: 0.062

Residue Involved: Alpha amino iso butyric acid | Proline | Proline

Conformation: Alpha helical

Reference

Balaram, H., Prasad, B. and Balaram, P. (1983). Multiple conformational states of a Pro-Pro peptide. Solid-state and solution conformations of Boc-Aib-Pro-Pro-NHMe. Journal of the American Chemical Society, 105(12), pp.4065-4071.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Alpha amino iso butyric acid-Proline-Proline-Methylamide
Sequence: Boc-Aib-P-P-NHMe
Core Sequence: Aib-P-P
Sequence Length: 3
Molecular Weight (amu): 410
Molecular Formula: C20-H43-N4-O5
R Value: 0.062
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methylamide
Conformation: Alpha helical
Method: X-Ray diffraction and NMR
Core Residue Involved Phi Psi Omega
Alpha amino iso butyric acid 57.5 44.2 176.9
Proline -71.3 158.1 178.7
Proline -71.8 148.6 179.5