2IZA Biotin-Binding Protein date Aug 13, 1997
title Apostreptavidin Ph 2.00 I4122 Structure
authors B.A.Katz
compound source
Molecule: Streptavidin
Chain: A
 Organism_scientific: Streptomyces Avidinii
Organism_taxid: 1895
symmetry Space Group: I 41 2 2
R_factor 0.210 R_Free 0.220
crystal
cell
length a length b length c angle alpha angle beta angle gamma
58.070 58.070 173.380 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.46 Å
ligand FMT enzyme
related structures by homologous chain: 1VWG, 2RTF
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceBinding of biotin to streptavidin stabilizes intersubunit salt bridges between Asp61 and His87 at low pH., Katz BA, J Mol Biol 1997 Dec 19;274(5):776-800. PMID:9405158
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (44 Kb) [Save to disk]
  • Biological Unit Coordinates (2iza.pdb1.gz) 151 Kb
  • LPC: Ligand-Protein Contacts for 2IZA
  • CSU: Contacts of Structural Units for 2IZA
  • Likely Quarternary Molecular Structure file(s) for 2IZA
  • Structure Factors (304 Kb)
  • Retrieve 2IZA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2IZA from S2C, [Save to disk]
  • Re-refined 2iza structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2IZA 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 2IZA
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Conformational Epitope Prediction for 2IZA from the CEP Server.
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2IZA, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2iza__, region [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2iza_A] [2iza]
  • SWISS-PROT database: [P22629]
  • Domain organization of [SAV_STRAV] by SWISSPFAM
    • Other resources with information on 2IZA
  • Community annotation for 2IZA at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Domain movements in 2IZA from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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