2jdz Summary

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Crystal structure of recombinant Dioclea guianensis lectin complexed with 5-bromo-4-chloro-3-indolyl-a-D-mannose

The structure was published by Nagano, C.S., Calvete, J.J., Barettino, D., Perez, A., Cavada, B.S., and Sanz, L., in 2008 in a paper entitled "Insights Into the Structural Basis of the Ph-Dependent Dimer-Tetramer Equilibrium Through Crystallographic Analysis of Recombinant Diocleinae Lectins." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.1 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 P81637 (LECA_DIOGU)search. The sample contained 239 residues which is 100% of the natural sequence. Out of 239 residues 232 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 P81637 (1-237) (LECA_DIOGU)search Dioclea guianensissearch 100% 239 98%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P81637 (1 - 237) LECTIN ALPHA CHAIN Dioclea guianensis

Chain Structural classification (CATH) Sequence family (Pfam)
A (P81637) Jelly Rollssearch PF00139: Legume lectin domainsearch

Chain ID Molecular function (GO) Cellular component (GO) Biological process (GO)
A (P81637) carbohydrate bindingsearch mannose bindingsearch metal ion bindingsearch cellular_componentsearch biological_processsearch

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