1IQB Sugar Binding Protein date Jul 15, 2001
title Crystal Structure Of Urtica Dioica Agglutinin Isolectin I
authors K.Harata, W.D.Schubert, M.Muraki
compound source
Molecule: Agglutinin Isolectin I
Chain: A, B
Fragment: Residues 1-89
Mutation: Yes
 Organism_scientific: Urtica Dioica
Organism_common: Great Nettle
Organism_taxid: 3501
symmetry Space Group: P 1 21 1
R_factor 0.205 R_Free 0.260
crystal
cell
length a length b length c angle alpha angle beta angle gamma
30.710 42.110 62.590 90.00 101.55 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand PCA, ZN enzyme
related structures by homologous chain: 1EHH, 1ENM
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceStructure of Urtica dioica agglutinin isolectin I: dimer formation mediated by two zinc ions bound at the sugar-binding site., Harata K, Schubert WD, Muraki M, Acta Crystallogr D Biol Crystallogr 2001 Nov;57(Pt 11):1513-7. PMID:11679714
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk]
  • Biological Unit Coordinates (1iqb.pdb1.gz) 28 Kb
  • LPC: Ligand-Protein Contacts for 1IQB
  • CSU: Contacts of Structural Units for 1IQB
  • Likely Quarternary Molecular Structure file(s) for 1IQB
  • Structure Factors (126 Kb)
  • Retrieve 1IQB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IQB from S2C, [Save to disk]
  • Re-refined 1iqb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1IQB in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
    • Visual 3D analysis of 1IQB
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1IQB, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1iqba1, region A:1-45 [Jmol] [rasmolscript] [script source]
        - Domain d1iqba2, region A:46-89 [Jmol] [rasmolscript] [script source]
        - Domain d1iqbb1, region B:1-45 [Jmol] [rasmolscript] [script source]
        - Domain d1iqbb2, region B:46-89 [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1iqb_B] [1iqb] [1iqb_A]
  • SWISS-PROT database: [P11218]
  • Domain organization of [AGI_URTDI] by SWISSPFAM
  • Domain found in 1IQB: [ChtBD1 ] by SMART
    • Other resources with information on 1IQB
  • Community annotation for 1IQB at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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