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

AIB46

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

Sequence: Boc-W-I-A-Aib-I-V-Aib-L-Aib-P-OMe

Core Sequence: W-I-A-Aib-I-V-Aib-L-Aib-P

R Value: Unknown

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

Conformation: 3(10) helical

Reference

KARLE, I., FLIPPEN-ANDERSON, J., SUKUMAR, M. and BALARAM, P. (2009). Monoclinic polymorph of Boc-Trp-Ile-Ala-Aib-Ile-Val-Aib-Leu-Aib-Pro-OMe(anhydrous). International Journal of Peptide and Protein Research, 31(6), pp.567-576.

Chemical Component Summary

Name of Peptide: tert-Butyloxycarbonyl-Tryptophan-Isoleucine-Alanine-Alpha amino iso butyric acid-Isoleucine-Valine-Alpha amino iso butyric acid-Leucine-Alpha amino iso butyric acid-Proline-Methyl ester
Sequence: Boc-W-I-A-Aib-I-V-Aib-L-Aib-P-OMe
Core Sequence: W-I-A-Aib-I-V-Aib-L-Aib-P
Sequence Length: 10
Molecular Weight (amu): 1180.51
Molecular Formula: C60-H97-N11-O13
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
Tryptophan -58.3 -28.9 -178.5
Isoleucine -58.8 27.6 -179
Alanine -60.5 -44.1 177.2
Alpha amino iso butyric acid -59.1 -37.5 -176.4
Isoleucine -75.7 -45.2 -178.8
Valine -56.6 -35.6 -178.9
Alpha amino iso butyric acid -58 -28.3 -178.5
Leucine -80.8 -17.1 -172.6
Alpha amino iso butyric acid 45.8 49.7 -174.1
Proline -70.1 168.5 173.1