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Title: Recognition of microbial glycans by human intelectin-1

Journal Article · · Nature Structural & Molecular Biology
DOI:https://doi.org/10.1038/nsmb.3053· OSTI ID:1214864
 [1]; ORCiD logo [2];  [3];  [4];  [2];  [2];  [1];  [2];  [4];  [4];  [3];  [5];  [6]
  1. Univ. of Wisconsin, Madison, WI (United States). Dept. of Biochemistry
  2. Univ. of Wisconsin, Madison, WI (United States). Dept. of Chemistry
  3. Scripps Research Inst., La Jolla, CA (United States). Dept. of Cell and Molecular Biology. Dept. of Chemical Physiology
  4. Emory Univ., Atlanta, GA (United States). School of Medicine. Dept. of Biochemistry. Glycomics Center
  5. Univ. of Wisconsin, Madison, WI (United States). Dept. of Bacteriology
  6. Univ. of Wisconsin, Madison, WI (United States). Dept. of Biochemistry. Dept. of Chemistry

The glycans displayed on mammalian cells can differ markedly from those on microbes. Such differences could, in principle, be 'read' by carbohydrate-binding proteins, or lectins. In this paper, we used glycan microarrays to show that human intelectin-1 (hIntL-1) does not bind known human glycan epitopes but does interact with multiple glycan epitopes found exclusively on microbes: β-linked D-galactofuranose (β-Galf), D-phosphoglycerol–modified glycans, heptoses, D-glycero-D-talo-oct-2-ulosonic acid (KO) and 3-deoxy-D-manno-oct-2-ulosonic acid (KDO). The 1.6-Å-resolution crystal structure of hIntL-1 complexed with β-Galf revealed that hIntL-1 uses a bound calcium ion to coordinate terminal exocyclic 1,2-diols. N-acetylneuraminic acid (Neu5Ac), a sialic acid widespread in human glycans, has an exocyclic 1,2-diol but does not bind hIntL-1, probably owing to unfavorable steric and electronic effects. hIntL-1 marks only Streptococcus pneumoniae serotypes that display surface glycans with terminal 1,2-diol groups. Finally, this ligand selectivity suggests that hIntL-1 functions in microbial surveillance.

Research Organization:
Univ. of Wisconsin, Madison, WI (United States)
Sponsoring Organization:
USDOE; National Inst. of Health (NIH) (United States); National Science Foundation (NSF); Michigan Economic Development Corporation (United States); Michigan Technology Tri-Corridor (United States)
Contributing Organization:
Scripps Research Inst., La Jolla, CA (United States); Emory Univ., Atlanta, GA (United States)
Grant/Contract Number:
AC02-06CH11357; R01GM55984; R01AI063596; T32 GM008505; F32 GM100729; GM062116; GM98791; P41GM103694; BIR-9512577; S10 RR13790; P30 CA014520; 1S10RR024715; CHE-9208463; CHE-9629688; 1S10RR08389; 085P1000817
OSTI ID:
1214864
Journal Information:
Nature Structural & Molecular Biology, Vol. 22, Issue 8; ISSN 1545-9993
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
ENGLISH
Citation Metrics:
Cited by: 109 works
Citation information provided by
Web of Science

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Cited By (21)

Selective Glycosylations with Furanosides book January 2017
Adipose Tissue-Derived Omentin-1 Function and Regulation reference-book June 2017
Just a spoonful of sugar: Short glycans affect protein properties and functions journal March 2019
From glycophenotyping by (plant) lectin histochemistry to defining functionality of glycans by pairing with endogenous lectins journal May 2018
Bacterial AB5 toxins inhibit the growth of gut bacteria by targeting ganglioside-like glycoconjugates journal March 2019
R-spondin-3 induces secretory, antimicrobial Lgr5+ cells in the stomach journal June 2019
The endocrine function of adipose tissues in health and cardiometabolic disease journal July 2019
Intelectin 3 is dispensable for resistance against a mycobacterial infection in zebrafish (Danio rerio) journal January 2019
The sugar code: letters and vocabulary, writers, editors and readers and biosignificance of functional glycan–lectin pairing journal September 2019
Functional characterization of a subtilisin-like serine protease from Vibrio cholerae journal May 2019
Defensins, lectins, mucins, and secretory immunoglobulin A: microbe-binding biomolecules that contribute to mucosal immunity in the human gut journal November 2016
Biological roles of glycans journal August 2016
Quantitative Proteomic Analysis Reveals the Deregulation of Nicotinamide Adenine Dinucleotide Metabolism and CD38 in Inflammatory Bowel Disease journal April 2019
Innate immunity in the simplest animals – placozoans journal January 2019
Beyond adiponectin and leptin: adipose tissue-derived mediators of inter-organ communication journal June 2019
Mining High-Complexity Motifs in Glycans: A New Language To Uncover the Fine Specificities of Lectins and Glycosidases journal November 2017
Glucose Single-Chain Polymer Nanoparticles for Cellular Targeting journal December 2018
Potential of Chemically Synthesized Oligosaccharides To Define the Carbohydrate Moieties of the Fungal Cell Wall Responsible for the Human Immune Response, Using Aspergillus fumigatus Galactomannan as a Model journal February 2020
Analysis of early mesothelial cell responses to Staphylococcus epidermidis isolated from patients with peritoneal dialysis-associated peritonitis journal May 2017
Microarray Strategies for Exploring Bacterial Surface Glycans and Their Interactions With Glycan-Binding Proteins journal January 2020
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