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Crystal structure of Dioclea rostrata lectin

The structure was published by de Oliveira, T.M., Delatorre, P., da Rocha, B.A.M., et al., Freire, V.N., de Azevedo Jr., W.F., and Cavada, B.S., in 2008 in a paper entitled "Crystal structure of Dioclea rostrata lectin: Insights into understanding the pH-dependent dimer-tetramer equilibrium and the structural basis for carbohydrate recognition in Diocleinae lectins" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.05 Å and deposited in 2007.

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

The PDB entry contains the structure of Lectin alpha chain. This molecule has the UniProt identifier P58908 (LECA_DIORO)search. The sample contained 237 residues which is 100% of the natural sequence. Out of 237 residues 231 were observed and are deposited in the PDB.

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 most likely forms homotetramers.

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 alpha chain P58908 (1-237) (LECA_DIORO)search Dioclea rostratasearch 100% 237 97%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P58908 (1 - 237) Lectin alpha chain Dioclea rostrata

Chain Structural classification (CATH) Sequence family (Pfam)
A (P58908) Jelly Rollssearch PF00139: Legume lectin domainsearch

Chain ID Molecular function (GO) Cellular component (GO) Biological process (GO)
A (P58908) carbohydrate bindingsearch mannose bindingsearch metal ion bindingsearch aleurone grainsearch plant-type vacuolesearch vacuolesearch mast cell granulesearch histamine secretion by mast cellsearch

Chain InterPro annotation
A Legume lectin, alpha chain, conserved sitesearch Legume lectin domainsearch search Concanavalin A-like lectin/glucanase domainsearch Legume lectin, beta chain, Mn/Ca-binding sitesearch