1I3M Isomerase date Feb 15, 2001
title Molecular Basis For Severe Epimerase-Deficiency Galactosemia Structure Of The Human V94m-Substituted Udp-Galactose 4-Epi
authors J.B.Thoden, T.M.Wohlers, J.L.Fridovich-Keil, H.M.Holden
compound source
Molecule: Udp-Glucose 4-Epimerase
Chain: A, B
Synonym: Udp-Galactose 4-Epimerase
Ec: 5.1.3.2
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Hgale
Expression_system: Pichia Pastoris
Expression_system_taxid: 4922
Expression_system_strain: Gs115
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ppic3.5khgale
symmetry Space Group: P 21 21 21
R_factor 0.184 R_Free 0.214
crystal
cell
length a length b length c angle alpha angle beta angle gamma
77.900 89.900 96.900 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.50 Å
ligand CL, MG, NAD, UD1 enzyme Isomerase E.C.5.1.3.2 BRENDA
related structures by homologous chain: 1EK5, 1HZJ
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceMolecular basis for severe epimerase deficiency galactosemia. X-ray structure of the human V94m-substituted UDP-galactose 4-epimerase., Thoden JB, Wohlers TM, Fridovich-Keil JL, Holden HM, J Biol Chem 2001 Jun 8;276(23):20617-23. PMID:11279193
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (133 Kb) [Save to disk]
  • Biological Unit Coordinates (1i3m.pdb1.gz) 127 Kb
  • LPC: Ligand-Protein Contacts for 1I3M
  • CSU: Contacts of Structural Units for 1I3M
  • Likely Quarternary Molecular Structure file(s) for 1I3M
  • Retrieve 1I3M in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1I3M from S2C, [Save to disk]
  • View 1I3M 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 1I3M
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1I3M 1I3MA 1I3MB from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1I3M, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1i3ma_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1i3mb_, region B [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: [1i3m_A] [1i3m_B] [1i3m]
  • SWISS-PROT database: [Q14376]
  • Domain organization of [GALE_HUMAN] by SWISSPFAM
  • Other resources with information on 1I3M
  • Community annotation for 1I3M 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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