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

AIB1

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

Sequence: Piv-P-P-Aib-L-Aib-F-OMe

Core Sequence: P-P-Aib-L-Aib-F

R Value: Unknown

Residue Involved: Proline | Proline | 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-Proline-Proline-Alpha amino iso butyric acid-Leucine-Alpha amino iso butyric acid-Phenylalanine-Methyl ester
Sequence: Piv-P-P-Aib-L-Aib-F-OMe
Core Sequence: P-P-Aib-L-Aib-F
Sequence Length: 6
Molecular Weight (amu): 712
Molecular Formula: C37-H56-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
Proline -62.4 160.2 -177.7
Proline -50.7 -42.1 -171
Alpha amino iso butyric acid -55.8 -31.8 179.2
Leucine -94.6 -41.3 -178.5
Alpha amino iso butyric acid -58.6 -42.8 -175.2
Phenylalanine -106.7 -5.7 178.6