2x2s

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Crystal structure of Sclerotinia sclerotiorum agglutinin SSA

Structural highlights

2x2s is a 4 chain structure with sequence from Sclerotinia sclerotiorum. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.6Å
Ligands:GOL
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

AGGL_SCLSC Lectin that primarily recognizes glycans with a non-reducing terminal N-acetylgalactosamine (GalNAc), with a preference for the alpha- over the beta-anomer. Can also bind non-reducing terminal galactose (Gal) residues but with a lower affinity. Strongly interacts with glycolipid type glycans with terminal non-reducing Gal or GalNAc but fails to bind sialylated or fucosylated forms of the same glycans. Strongly interacts with galactosylated N-glycans, displaying highest affinity for alpha-1-3 branched mono-antennary N-glycans but also binding to multi-antennary glycans.[1] [2] [3]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. Candy L, Van Damme EJ, Peumans WJ, Menu-Bouaouiche L, Erard M, Rougé P. Structural and functional characterization of the GalNAc/Gal-specific lectin from the phytopathogenic ascomycete Sclerotinia sclerotiorum (Lib.) de Bary. Biochem Biophys Res Commun. 2003 Aug 22;308(2):396-402. PMID:12901882 doi:10.1016/s0006-291x(03)01406-2
  2. Van Damme EJ, Nakamura-Tsuruta S, Hirabayashi J, Rougé P, Peumans WJ. The Sclerotinia sclerotiorum agglutinin represents a novel family of fungal lectins remotely related to the Clostridium botulinum non-toxin haemagglutinin HA33/A. Glycoconj J. 2007 Apr;24(2-3):143-56. PMID:17294128 doi:10.1007/s10719-006-9022-z
  3. Sulzenbacher G, Roig-Zamboni V, Peumans WJ, Rouge P, Van Damme EJ, Bourne Y. Crystal structure of the GalNAc/Gal-specific agglutinin from the phytopathogenic ascomycete Sclerotinia sclerotiorum reveals novel adaptation of a beta-trefoil domain. J Mol Biol. 2010 Jul 23;400(4):715-23. Epub 2010 May 24. PMID:20566411 doi:10.1016/j.jmb.2010.05.038

Contents


PDB ID 2x2s

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