1K3I Oxidoreductase date Oct 03, 2001
title Crystal Structure Of The Precursor Of Galactose Oxidase
authors S.J.Firbank, M.S.Rogers, C.M.Wilmot, D.M.Dooley, M.A.Halcrow, P.F M.J.Mcpherson, S.E.V.Phillips
compound source
Molecule: Galactose Oxidase Precursor
Chain: A
Engineered: Yes
Organism_scientific: Fusarium Sp.
Organism_taxid: 29916
Expression_system: Emericella Nidulans
Expression_system_taxid: 162425
Expression_system_strain: G191
Expression_system_vector_type: Pgpt-Pyrg
Expression_system_plasmid: Pgof101
symmetry Space Group: P 21 21 21
R_factor 0.176 R_Free 0.193
length a length b length c angle alpha angle beta angle gamma
69.313 89.516 93.960 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.40 Å
ligand ACT, CA, CSO, GLC enzyme Oxidoreductase E.C. BRENDA
note 1K3I is a representative structure
related structures by homologous chain: 1GOF

Primary referenceCrystal structure of the precursor of galactose oxidase: an unusual self-processing enzyme., Firbank SJ, Rogers MS, Wilmot CM, Dooley DM, Halcrow MA, Knowles PF, McPherson MJ, Phillips SE, Proc Natl Acad Sci U S A 2001 Nov 6;98(23):12932-7. PMID:11698678
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (119 Kb) [Save to disk]
  • Biological Unit Coordinates (1k3i.pdb1.gz) 114 Kb
  • LPC: Ligand-Protein Contacts for 1K3I
  • CSU: Contacts of Structural Units for 1K3I
  • Likely Quarternary Molecular Structure file(s) for 1K3I
  • Structure Factors (1154 Kb)
  • Retrieve 1K3I in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1K3I from S2C, [Save to disk]
  • Re-refined 1k3i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1K3I 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 1K3I
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1K3I from the CEP Server.
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1K3I, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1k3ia2, region A:-12-150 [Jmol] [rasmolscript] [script source]
        - Domain d1k3ia3, region A:151-537 [Jmol] [rasmolscript] [script source]
        - Domain d1k3ia1, region A:538-639 [Jmol] [rasmolscript] [script source]
  • Fold representative 1k3i from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1k3i_A] [1k3i]
  • SWISS-PROT database: [Q01745]
  • Domain organization of [GAOA_GIBZE] by SWISSPFAM
  • Domains found in 1K3I: [FA58C] [Kelch ] by SMART
  • Other resources with information on 1K3I
  • Community annotation for 1K3I 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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