Affimer Proteins Inhibit Immune Complex Binding to Fcγriiia with High Specificity Through Competitive and Allosteric Modes of Action
Affimer proteins inhibit immune complex binding to FcγRIIIa with high specificity through competitive and allosteric modes of action James I. Robinsona,b, Euan W. Baxtera,b,1, Robin L. Owenc,1, Maren Thomsend,1, Darren C. Tomlinsond,e,1, Mark P. Waterhousea,b,1, Stephanie J. Wina,b, Joanne E. Nettleshipf,g, Christian Tiedee, Richard J. Fosterd,h, Raymond J. Owensf,g, Colin W. G. Fishwickd,h, Sarah A. Harrisd,i, Adrian Goldmane,j, Michael J. McPhersond,e,2, and Ann W. Morgana,b,2 aLeeds Institute of Rheumatic and Musculoskeletal Medicine, School of Medicine, University of Leeds, Leeds LS9 7TF, United Kingdom; bNational Institute of Health Research-Leeds Biomedical Research Centre, Chapel Allerton Hospital, Leeds LS7 4SA, United Kingdom; cDiamond Light Source, Didcot OX11 0DE, United Kingdom; dAstbury Centre for Structural and Molecular Biology, University of Leeds, Leeds LS2 9JT, United Kingdom; eBioScreening Technology Group, School of Molecular and Cellular Biology, University of Leeds, Leeds LS2 9JT, United Kingdom; fOxford Protein Production Facility-United Kingdom Research Complex at Harwell, Rutherford Appleton Laboratory, Oxford OX11 0FA, United Kingdom; gDivision of Structural Biology, Wellcome Trust Centre for Genomic Medicine, Nuffield Department of Medicine, Oxford University, Oxford OX3 7BN, United Kingdom; hSchool of Chemistry, University of Leeds, Leeds LS2 9JT, United Kingdom; iSchool of Physics and Astronomy, University of Leeds, Leeds LS2 9JT, United Kingdom; and jFaculty of Biological and Environmental Sciences, University of Helsinki, FIN-0014 Helsinki, Finland Edited by Lawrence Steinman, Stanford University School of Medicine, Stanford, CA, and approved November 17, 2017 (received for review May 15, 2017) Protein–protein interactions are essential for the control of cellular domains and chains, poor stability, high production costs, and functions and are critical for regulation of the immune system.
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