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Article

Effect of salt and pH on the activation of photoactive yellow protein and gateway mutants Y98Q and Y98F.

Biochemistry - 25 Oct 2005

Borucki Berthold, Kyndt John A, Joshi Chandra P, Otto Harald, Meyer Terry E, Cusanovich Michael A, Heyn Maarten P

Abstract excerpt

We investigated the photocycle of mutants Y98Q and Y98F of the photoactive yellow protein (PYP) from Halorhodospira halophila. Y98 is located in the beta4-beta5 loop and is thought to interact with R52 in the alpha3-alpha4 loop thereby stabilizing this region. Y98 is conserved in all known PYP species, except in Ppr and Ppd where it is replaced by F. We find that replacement of Y98 by F has no significant effect...

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PMID: 16229455
DOI: 10.1021/bi050991z

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 5 Sept 2026. Manifest publication-graph-cohort-2026-09-05.1.

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