1O9J Oxidoreductase date Dec 15, 2002
title The X-Ray Crystal Structure Of Eta-Crystallin
authors A.G.Purkiss, R.Van Montfort, G.Wistow, C.Slingsby
compound source
Molecule: Aldehyde Dehydrogenase, Cytosolic 1
Chain: A, B, C, D
Synonym: Eta-Crystallin, Aldh Class 1
Engineered: Yes
Other_details: Nad Cofactor Present
Organism_scientific: Elephantulus Edwardii
Organism_common: Cape Long-Eared Elephant Shrew
Organism_taxid: 28737
Organ: Eye
Tissue: Lens
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_variant: Plyss
Expression_system_vector: Pet17b
symmetry Space Group: P 1 21 1
R_factor 0.180 R_Free 0.254
length a length b length c angle alpha angle beta angle gamma
80.869 136.407 84.988 90.00 102.62 90.00
method X-Ray Diffractionresolution 2.4 Å
ligand DTT, DTU, NAD enzyme Oxidoreductase E.C. BRENDA
note 1O9J (Molecule of the Month:pdb89, pdb127)
related structures by homologous chain: 1BXS, 1OF7
A, D, C, B

Primary referenceCrystal structure of eta-crystallin: adaptation of a class 1 aldehyde dehydrogenase for a new role in the eye lens., Bateman OA, Purkiss AG, van Montfort R, Slingsby C, Graham C, Wistow G, Biochemistry 2003 Apr 22;42(15):4349-56. PMID:12693930
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (319 Kb) [Save to disk]
  • Biological Unit Coordinates (1o9j.pdb1.gz) 312 Kb
  • LPC: Ligand-Protein Contacts for 1O9J
  • CSU: Contacts of Structural Units for 1O9J
  • Likely Quarternary Molecular Structure file(s) for 1O9J
  • Structure Factors (512 Kb)
  • Retrieve 1O9J in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1O9J from S2C, [Save to disk]
  • Re-refined 1o9j structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1O9J 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 1O9J
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1O9J, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1o9ja_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1o9jb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1o9jc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1o9jd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1o9j 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: [1o9j_D] [1o9j_C] [1o9j_B] [1o9j_A] [1o9j]
  • SWISS-PROT database: [Q28399]
  • Domain organization of [ALDH1_ELEED] by SWISSPFAM
  • Other resources with information on 1O9J
  • Community annotation for 1O9J 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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