A manually curated database of peptides containing Dehydro-Phenyl-Alanine and Amino-Iso-Butyric Acid

AIB56

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

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

Core Sequence: L-Aib-P-V-Aib

R Value: Unknown

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

Conformation: 3(10) helical

Reference

Nagaraj, R. and Balaram, P. (1981). Alamethicin, a transmembrane channel. Accounts of Chemical Research, 14(11), pp.356-362.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Leucine-Alpha amino iso butyric acid-Proline-Valine-Alpha amino iso butyric acid-Methyl ester
Sequence: Boc-L-Aib-P-V-Aib-OMe
Core Sequence: L-Aib-P-V-Aib
Sequence Length: 5
Molecular Weight (amu): 611
Molecular Formula: C30-H53-N5-O8
R Value: Unknown
N-Terminal Modification: tert-Butyloxycarbonyl
C-Terminal Modification: Methyl ester
Conformation: 3(10) helical
Method: X - Ray Diffraction
Core Residue Involved Phi Psi Omega
Leucine -103.8 -29.5 178.2
Alpha amino iso butyric acid -46.3 -41.5 -171.5
Proline -64.5 -15.5 173.7
Valine -59.2 -37.8 174.4
Alpha amino iso butyric acid 51.2 43 Unmeasured