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

AIB2

Pivaloyl-Dehydro Proline-Alanine-Alpha amino iso butyric acid-Leucine-Alpha amino iso butyric acid-Phenylalanine-Methyl ester

Sequence: Piv-ΔP-A-Aib-L-Aib-F-OMe

Core Sequence: ΔP-A-Aib-L-Aib-F

R Value: Unknown

Residue Involved: Dehydro-Proline | Alanine| Alpha amino iso butyric acid | Leucine| Alpha amino iso butyric acid | Phenylalanine

Conformation: Helical

Reference

Kantharaju, Raghothama, S., Aravinda, S., Shamala, N. and Balaram, P. (2010). Helical conformations of hexapeptides containing N-terminus diproline segments. Biopolymers, 94(3), pp.360-370.

Chemical Component Summary

Name of Peptide: Pivaloyl-Dehydro Proline-Alanine-Alpha amino iso butyric acid-Leucine-Alpha amino iso butyric acid-Phenylalanine-Methyl ester
Sequence: Piv-ΔP-A-Aib-L-Aib-F-OMe
Core Sequence: ΔP-A-Aib-L-Aib-F
Sequence Length: 6
Molecular Weight (amu): 714.89
Molecular Formula: C37-H58-N6-O8
R Value: Unknown
N-Terminal Modification: Pivaloyl
C-Terminal Modification: Methyl ester
Conformation: Helical
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Dehydro-Proline 56.6 -136.6 -171.1
Alanine -64.6 -24.6 -178
Alpha amino iso butyric acid -57.6 -27.1 -176.3
Leucine -65.8 -13.8 172.8
Alpha amino iso butyric acid -58 -27.4 -178.1
Phenylalanine -98.1 -74.8 -175.5