1ulm Summary

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Crystal Structure of Pokeweed Lectin-D2 complexed with tri-N-acetylchitotriose

The structure was published by Hayashida, M., Fujii, T., Hamasu, M., Ishiguro, M., and Hata, Y., in 2003 in a paper entitled "Similarity between protein-protein and protein-carbohydrate interactions, revealed by two crystal structures of lectins from the roots of pokeweed." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.8 Å and deposited in 2003.

The experimental data on which the structure is based was not deposited.

This PDB entry contains multiple copies of the structure of lectin-D2.

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 lectin-D2 P83790 (1-82) (LED2_PHYAM)search Phytolacca americanasearch 100% 82 100%
B lectin-D2 P83790 (1-82) (LED2_PHYAM)search Phytolacca americanasearch 100% 82 100%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P83790 (1 - 82) lectin-D2 Phytolacca americana

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, B (P83790) Hevein-like agglutinin (lectin) domainsearch Wheat Germ Agglutinin (Isolectin 2); domain 1search PF00187: Chitin recognition proteinsearch

Chain ID Molecular function (GO) Biological process (GO)
A, B (P83790) chitin bindingsearch carbohydrate bindingsearch positive regulation of cell divisionsearch positive regulation of mitosissearch

Chain InterPro annotation
A, B Chitin-binding, type 1search Chitin-binding, type 1, conserved sitesearch