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

AIB34

tert-Butyloxycarbonyl-Valine-Alpha amino iso butyric acid-Leucine-Alpha amino iso butyric acid-Alanine-Alpha amino iso butyric acid-Leucine-Methyl ester

Sequence: Boc-V-Aib-L-Aib-A-Aib-L-OMe

Core Sequence: V-Aib-L-Aib-A-Aib-L

R Value: 0.0854

Residue Involved: Valine| Alpha amino iso butyric acid | Leucine| Alpha amino iso butyric acid | Alanine| Alpha amino iso butyric acid | Leucine

Conformation: 3(10) helical

Reference

 KARLE, I., FLIPPEN-ANDERSON, J., UMA, K. and BALARAM, P. (2009). Peptide mimics for structural features in proteins. International Journal of Peptide and Protein Research, 42(5), pp.401-410.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Valine-Alpha amino iso butyric acid-Leucine-Alpha amino iso butyric acid-Alanine-Alpha amino iso butyric acid-Leucine-Methyl ester
Sequence: Boc-V-Aib-L-Aib-A-Aib-L-OMe
Core Sequence: V-Aib-L-Aib-A-Aib-L
Sequence Length: 7
Molecular Weight (amu): 784
Molecular Formula: C38-H69-N7-O10
R Value: 0.0854
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methyl ester
Conformation: 3(10) helical
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Valine -54 -41 -170
Alpha amino iso butyric acid -58 -41 -178
Leucine -79 -40 177
Alpha amino iso butyric acid -53 -37 -175
Alanine -83 -5 -174
Alpha amino iso butyric acid 64 33 172
Leucine -113 37 175