File:Cereulide biosynthesis.jpg

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Cereulide_biosynthesis.jpg(535 × 341 pixels, file size: 49 KB, MIME type: image/jpeg)

Summary

Description
English: The following depicts the non-ribosomal peptide synthetase of the cereulide tetrapeptide. The growing and modified peptide can be seen on each Thiolation (T) domain.

1. Module 1 (CesA1) loads a-ketoisocaproic acid and reduces it into D-a-hydroxyisocaproic acid (D-HIC). 2. Module 2 (CesA2) loads L-alanine (L-Ala) and epimerizes it to D-alanine (D-Ala). It also condenses the amide bond to form D-HIC-D-Ala. 3. Module 3 (CesB1) loads a-ketoisovaleric acid and reduces it into L-a-hydroxyisovaleric acid (L-HIV). 3.5. A lone condensation domain condenses the ester bond between L-HIV and D-Ala to form D-HIC-D-Ala-L-HIV.

4. Module 4 (CesB2) loads L-valine (L-Val). It also condenses the amide bond to form D-HIC-D-Ala-L-HIV-L-Val.
Date
Source Own work
Author AlexDLetourneau

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Captions

Cereulide tetrapeptide biosynthesis

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10 June 2019

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535 pixel

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Date/TimeThumbnailDimensionsUserComment
current13:29, 11 June 2019Thumbnail for version as of 13:29, 11 June 2019535 × 341 (49 KB)AlexDLetourneauUser created page with UploadWizard
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