I-Type Lectins

Ajit Varki; Ronald L. Schnaar; Paul R. Crocker

doi:10.1101/glycobiology.3e.035

I-Type Lectins

Review

In: Essentials of Glycobiology [Internet]. 3rd edition. Cold Spring Harbor (NY): Cold Spring Harbor Laboratory Press; 2015. Chapter 35.

2017.

Authors

Ajit Varki, Ronald L. Schnaar, Paul R. Crocker

Book Editors

Book Affiliations

¹ Distinguished Professor of Medicine and Cellular & Molecular Medicine, Co-Director, Glycobiology Research and Training Center, University of California, San Diego, La Jolla, California, USA
² Professor of Surgery, Director, National Center for Functional Glycomics, Harvard Medical School, Cambridge, Massachusetts, USA
³ Distinguished Professor of Cellular & Molecular Medicine, Co-Director, Glycobiology Research and Training Center, University of California, San Diego, La Jolla, California, USA
⁴ Horace W. Goldsmith Foundation Chair and Professor of Cell Biology, Albert Einstein College of Medicine, New York, New York, USA
⁵ Professor and Chairman of Biological Chemistry, Johns Hopkins University, Baltimore, Maryland, USA
⁶ Professor of Mycology, ETH Zürich, Zürich, Switzerland
⁷ Regents Professor and Director, Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, USA
⁸ Professor, Laboratory of Immunoglycobiology, WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
⁹ Professor of Glycoproteomics and Glycomics, Macquarie University and Institute for Glycomics, Griffith University, Sydney, Australia
¹⁰ Professor and Eminent Scholar, University of Georgia, Athens, Georgia, USA
¹¹ Professor, Departments of Pharmacology and Neuroscience, Johns Hopkins University, Baltimore, Maryland, USA
¹² Director, Max-Planck-Institute of Colloids and Interfaces, Potsdam, Germany

Excerpt

I-type lectins are glycan-binding proteins (excluding antibodies and T-cell receptors) in which the binding domain is homologous to the large and varied immunoglobulin superfamily (IgSF) of proteins. Among I-type lectins, the Siglec family of sialic acid–recognizing lectins is the best characterized subgroup, both structurally and functionally, and is therefore the major focus of this chapter. Details of these lectins' discovery, characterization, binding properties, and biology are provided, along with discussions of their functional roles in vertebrate biology, with most currently available information being in mammals.

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