1od7
From Proteopedia
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Revision as of 13:45, 30 October 2007
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N-TERMINAL OF SIALOADHESIN IN COMPLEX WITH ME-A-9-N-(NAPHTHYL-2-CARBONYL)-AMINO-9-DEOXY-NEU5AC (NAP COMPOUND)
Overview
The Siglec family of receptors mediates cell surface interactions through, recognition of sialylated glycoconjugates. The crystal structure of the, N-terminal immunoglobulin-like domain of the Siglec sialoadhesin (SnD1) in, complex with 2,3-sialyllactose has informed the design of sialic acid, analogs (sialosides) that bind Siglecs with significantly enhanced, affinities and specificities. Binding assays against sialoadhesin (Sn;, Siglec-1), CD22 (Siglec-2), and MAG (Siglec-4) show a 10- to 300-fold, reduction in IC(50) values (relative to methyl-alpha-Neu5Ac) for three, sialosides bearing aromatic group modifications of the glycerol side, chain: Me-alpha-9-N-benzoyl-amino-9-deoxy-Neu5Ac (BENZ), Me-alpha-9-N-(naphthyl-2-carbonyl)-amino-9-deoxy-Neu5Ac (NAP), and, ... [(full description)]
About this Structure
1OD7 is a [Single protein] structure of sequence from [Mus musculus] with SUW as [ligand]. Structure known Active Site: SUW. Full crystallographic information is available from [OCA].
Reference
Structure-guided design of sialic acid-based Siglec inhibitors and crystallographic analysis in complex with sialoadhesin., Zaccai NR, Maenaka K, Maenaka T, Crocker PR, Brossmer R, Kelm S, Jones EY, Structure. 2003 May;11(5):557-67. PMID:12737821
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