ArticleActa crystallographica. Section F, Structural biology and crystallization communications2010
Unliganded structure of human bisphosphoglycerate mutase reveals side-chain movements induced by ligand binding.
Article in Acta crystallographica. Section F, Structural biology and crystallization communications, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 13 citations in OpenAlex.
- Identification of potential biomarkers related to mesenchymal stem cell response in patients with Alzheimer's disease.Stem cell research & therapy · 2023Article
- Molecular insight into 2-phosphoglycolate activation of the phosphatase activity of bisphosphoglycerate mutase.Acta crystallographica. Section D, Structural biology · 2022Article
- NLDB: a database for 3D protein-ligand interactions in enzymatic reactions.Journal of structural and functional genomics · 2016Article
- Significant reduction in errors associated with nonbonded contacts in protein crystal structures: automated all-atom refinement with PrimeX.Acta crystallographica. Section D, Biological crystallography · 2012Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
Abstract
Erythrocyte-specific bisphosphoglycerate mutase is a trifunctional enzyme which modulates the levels of 2,3-bisphosphoglycerate (2,3-BPG) in red blood cells by virtue of its synthase and phosphatase activities. Low levels of erythrocyte 2,3-BPG increase the affinity of haemoglobin for oxygen, thus limiting the release of oxygen into tissues. 2,3-BPG levels in stored blood decline rapidly owing to the phosphatase activity of bisphosphoglycerate mutase, which is enhanced by a fall in pH. Here, the 1.94 Å resolution X-ray structure of bisphosphoglycerate mutase is presented, focusing on the dynamic nature of key ligand-binding residues and their interaction with the inhibitor citrate. Residues at the binding pocket are complete. In addition, the movement of key residues in the presence and absence of ligand is described and alternative conformations are explored. The conformation in which the ligand citrate would bind at the substrate-binding pocket is proposed, with discussion and representations of its orientation. The characterization of bisphosphoglycerate mutase-citrate interactions will provide a framework for the design of specific inhibitors of the phosphatase activity of this enzyme, which may limit the decline of 2,3-BPG in stored blood.
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