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

AIB51

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

Sequence: Boc-C-P-Aib-C

Core Sequence: C-P-Aib-C

R Value: Unknown

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

Conformation: Beta turn

Reference

Ravi, A., Prasad, B. and Balaram, P. (1983). Cyclic peptide disulfides. Solution and solid-state conformation of Boc-Cys-Pro-Aib-Cys-NHMe with a disulfide bridge from Cys to Cys, a disulfide-bridged peptide helix. Journal of the American Chemical Society, 105(1), pp.105-109.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Cysteine-Proline-Alpha amino iso butyric acid-Cysteine
Sequence: Boc-C-P-Aib-C
Core Sequence: C-P-Aib-C
Sequence Length: 3
Molecular Weight (amu): 506
Molecular Formula: C20-H34-N4-O7-S2
R Value: Unknown
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: No Modification
Conformation: Beta turn
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Cysteine -121.1 65.6 174.9
Proline -58.9 -34 179.4
Alpha amino iso butyric acid -61.8 -17.9 175.8
Cysteine -70.5 -18.6 -178.5