Tachyplesin

From Proteopedia

(Difference between revisions)
Jump to: navigation, search
Line 8: Line 8:
== Structural highlights ==
== Structural highlights ==
The aminoacid sequence of the TPI is H-Lys-Trp-Cys-Phe-Arg-Val-Cys-Tyr-Arg-Gly-Ile-Cys-Tyr-Arg-Arg-Cys-Arg-NH₂ with <scene name='67/671725/Tachyplesin_i/1'> disulfide bonds </scene> between Cys³ and Cys¹⁶/Cys⁷ and Cys¹².
The aminoacid sequence of the TPI is H-Lys-Trp-Cys-Phe-Arg-Val-Cys-Tyr-Arg-Gly-Ile-Cys-Tyr-Arg-Arg-Cys-Arg-NH₂ with <scene name='67/671725/Tachyplesin_i/1'> disulfide bonds </scene> between Cys³ and Cys¹⁶/Cys⁷ and Cys¹².
 +
[[Image:scheme.jpg]]
[[Image:scheme.jpg]]
 +
 +
Besides, there exists H-bond and aromatic ring stacking interactions which helps stabilizing the hairpin loop structure of the peptide.
Besides, there exists H-bond and aromatic ring stacking interactions which helps stabilizing the hairpin loop structure of the peptide.
There are three linear derivatives: <scene name='67/671725/1ma4/1'>TPY4</scene>, TPF4 and TPA4.
There are three linear derivatives: <scene name='67/671725/1ma4/1'>TPY4</scene>, TPF4 and TPA4.

Revision as of 11:39, 28 December 2014

Introduction

1MA2

Drag the structure with the mouse to rotate

References

  1. Laederach A, Andreotti AH, Fulton DB. Solution and micelle-bound structures of tachyplesin I and its active aromatic linear derivatives. Biochemistry. 2002 Oct 15;41(41):12359-68. PMID:12369825
Personal tools