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A Second Allosteric Site in E. coli Aspartate Transcarbamoylase

E. coli aspartate transcarbamoylase is feedback inhibited by CTP and by UTP in the presence of CTP. Here, we show by X-ray crystallography that UTP binds to a unique site on each regulatory chain of the enzyme that is near to but not overlapping with the known CTP site. These results bring into ques...

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Detalhes bibliográficos
Main Authors: Peterson, Alexis W., Cockrell, Gregory M., Kantrowitz, Evan R.
Formato: Artigo
Idioma:Inglês
Publicado em: 2012
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC3428212/
https://ncbi.nlm.nih.gov/pubmed/22667327
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1021/bi3006219
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