Marcelo Andrade De Lima m.andrade.de.lima@keele.ac.uk
Phosphorylation and sulfation share a common biosynthetic pathway, but extend biochemical and evolutionary diversity of biological macromolecules in distinct ways
Andrade De Lima, Marcelo; Rudd, TR; Fernig, DG; Yates, EA
Authors
TR Rudd
DG Fernig
EA Yates
Abstract
<jats:p>Phosphate and sulfate groups are integral to energy metabolism and introduce negative charges into biological macromolecules. One purpose of such modifications is to elicit precise binding/activation of protein partners. The physico-chemical properties of the two groups, while superficially similar, differ in one important respect—the valency of the central (phosphorus or sulfur) atom. This dictates the distinct properties of their respective esters, di-esters and hence their charges, interactions with metal ions and their solubility. These, in turn, determine the contrasting roles for which each group has evolved in biological systems. Biosynthetic links exist between the two modifications; the sulfate donor 3′-phosphoadenosine-5′-phosphosulfate being formed from adenosine triphosphate (ATP) and adenosine phosphosulfate, while the latter is generated from sulfate anions and ATP. Furthermore, phosphorylation, by a xylosyl kinase (Fam20B, glycosaminoglycan xylosylkinase) of the xylose residue of the tetrasaccharide linker region that connects nascent glycosaminoglycan (GAG) chains to their parent proteoglycans, substantially accelerates their biosynthesis. Following observations that GAG chains can enter the cell nucleus, it is hypothesized that sulfated GAGs could influence events in the nucleus, which would complete a feedback loop uniting the complementary anionic modifications of phosphorylation and sulfation through complex, inter-connected signalling networks and warrants further exploration.</jats:p>
Citation
Andrade De Lima, M., Rudd, T., Fernig, D., & Yates, E. (2022). Phosphorylation and sulfation share a common biosynthetic pathway, but extend biochemical and evolutionary diversity of biological macromolecules in distinct ways. Journal of the Royal Society. Interface, 19(193), https://doi.org/10.1098/rsif.2022.0391
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 11, 2022 |
Online Publication Date | Aug 3, 2022 |
Publication Date | 2022-08 |
Publicly Available Date | May 30, 2023 |
Journal | Journal of the Royal Society Interface |
Print ISSN | 1742-5689 |
Electronic ISSN | 1742-5662 |
Publisher | The Royal Society |
Peer Reviewed | Peer Reviewed |
Volume | 19 |
Issue | 193 |
DOI | https://doi.org/10.1098/rsif.2022.0391 |
Publisher URL | https://royalsocietypublishing.org/doi/10.1098/rsif.2022.0391 |
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rsif.2022.0391.pdf
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Publisher Licence URL
https://creativecommons.org/licenses/by/4.0/
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