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dc.contributor.authorPatterson, Alanen_UK
dc.contributor.authorPrice, Nicholas Cen_UK
dc.contributor.authorNairn, Jacquelineen_UK
dc.description.abstractErythrocyte-specific bisphosphoglycerate mutase is a trifunctional enzyme which modulates the levels of 2,3-BPG in red blood cells by virtue of its synthase and phosphatase activities. Low levels of erythrocyte 2,3-BPG increases the affinity of haemoglobin for oxygen, thus limiting the release of oxygen into tissues. 2,3-BPG levels in stored blood decline rapidly, due to the phosphatase activity of bisphosphoglycerate mutase which is enhanced by a fall in pH. Here we present the 1.94Å X-ray structure of bisphosphoglycerate mutase, focussing 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. We propose the conformation in which the ligand citrate would bind at the substrate binding pocket, with discussion and representations of its orientation. Characterisation 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.en_UK
dc.publisherInternational Union of Crystallography / Wiley-Blackwellen_UK
dc.relationPatterson A, Price NC & Nairn J (2010) Unliganded structure of human bisphosphoglycerate mutase reveals side-chain movements induced by ligand binding. Acta Crystallographica Section F: Structural Biology and Crystallization Communications, 66 (11), pp. 1415-1420.
dc.rightsCopyright © International Union of Crystallography Author(s) of this paper may load this reprint on their own web site or institutional repository provided that this cover page is retained. Republication of this article or its storage in electronic databases other than as specified above is not permitted without prior permission in writing from the IUCr. For further information see
dc.subjectbisphosphoglycerate mutaseen_UK
dc.subjectAmino acids Metabolismen_UK
dc.titleUnliganded structure of human bisphosphoglycerate mutase reveals side-chain movements induced by ligand bindingen_UK
dc.typeJournal Articleen_UK
dc.citation.jtitleActa Crystallographica. Section F, Structural Biology and Crystallization Communicationsen_UK
dc.type.statusVoR - Version of Recorden_UK
dc.contributor.affiliationUniversity of Glasgowen_UK
dc.contributor.affiliationUniversity of Stirlingen_UK
dc.contributor.affiliationBiological and Environmental Sciencesen_UK
rioxxterms.typeJournal Article/Reviewen_UK
local.rioxx.authorPatterson, Alan|en_UK
local.rioxx.authorPrice, Nicholas C|en_UK
local.rioxx.authorNairn, Jacqueline|en_UK
local.rioxx.projectInternal Project|University of Stirling|
local.rioxx.filenameBPGAM structure 2010.pdfen_UK
Appears in Collections:Biological and Environmental Sciences Journal Articles

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