2x3t Summary

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Glutaraldehyde-crosslinked wheat germ agglutinin isolectin 1 crystal soaked with a synthetic glycopeptide

The structure was published by Schwefel, D., Maierhofer, C., Beck, J.G., et al., Moller, H.M., Welte, W., and Wittmann, V., in 2010 in a paper entitled "Structural Basis of Multivalent Binding to Wheat Germ Agglutinin." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.749 Å and deposited in 2010.

The experimental data on which the structure is based was also deposited.

This PDB entry contains a complex of 2 biomacromolecules, namely AGGLUTININ ISOLECTIN 1 and GLYCOPEPTIDE.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule has more than one probable quaternary state observed. For more details see the quaternary structure page.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A AGGLUTININ ISOLECTIN 1 P10968 (28-197) (AGI1_WHEAT)search Triticum aestivumsearch 91% 171 100%
B AGGLUTININ ISOLECTIN 1 P10968 (28-197) (AGI1_WHEAT)search Triticum aestivumsearch 91% 171 100%
C AGGLUTININ ISOLECTIN 1 P10968 (28-197) (AGI1_WHEAT)search Triticum aestivumsearch 91% 171 100%
D AGGLUTININ ISOLECTIN 1 P10968 (28-197) (AGI1_WHEAT)search Triticum aestivumsearch 91% 171 100%
E GLYCOPEPTIDE Not available
Not available Not available 9 22%
M GLYCOPEPTIDE Not available
Not available Not available 9 22%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P10968 (28 - 197) AGGLUTININ ISOLECTIN 1 Triticum aestivum

Chain Structural classification (CATH) Sequence family (Pfam)
A, B, C, D (P10968) Wheat Germ Agglutinin (Isolectin 2); domain 1search PF00187: Chitin recognition proteinsearch
E, M

Chain ID Molecular function (GO)
A, B, C, D (P10968) chitin bindingsearch carbohydrate bindingsearch

Chain InterPro annotation
A, B, C, D Chitin-binding, type 1search Chitin-binding, type 1, conserved sitesearch
E, M