1SQM Hydrolase date Mar 19, 2004
title Structure Of [R563a] Leukotriene A4 Hydrolase
authors F.O.T.Tholander, P.C.Rudberg, M.M.G.M.Thunnissen, J.Z.Haeggstro
compound source
Molecule: Leukotriene A-4 Hydrolase
Chain: A
Synonym: Lta-4 Hydrolase; Leukotriene A(4) Hydrolase
Ec: 3.3.2.6
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Lta4h, Lta4
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm101
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pt3-Mb4
symmetry Space Group: P 21 21 21
R_factor 0.190 R_Free 0.230
crystal
cell
length a length b length c angle alpha angle beta angle gamma
78.000 86.850 98.950 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand ACY, IMD, YB, ZN enzyme Hydrolase E.C.3.3.2.6 BRENDA
related structures by homologous chain: 1GW6
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceLeukotriene A4 hydrolase: identification of a common carboxylate recognition site for the epoxide hydrolase and aminopeptidase substrates., Rudberg PC, Tholander F, Andberg M, Thunnissen MM, Haeggstrom JZ, J Biol Chem 2004 Jun 25;279(26):27376-82. Epub 2004 Apr 12. PMID:15078870
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (112 Kb) [Save to disk]
  • Biological Unit Coordinates (1sqm.pdb1.gz) 108 Kb
  • LPC: Ligand-Protein Contacts for 1SQM
  • CSU: Contacts of Structural Units for 1SQM
  • Likely Quarternary Molecular Structure file(s) for 1SQM
  • Retrieve 1SQM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SQM from S2C, [Save to disk]
  • View 1SQM 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 1SQM
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SQM, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sqma2, region A:1-208 [Jmol] [rasmolscript] [script source]
        - Domain d1sqma3, region A:209-460 [Jmol] [rasmolscript] [script source]
        - Domain d1sqma1, region A:461-610 [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: [1sqm] [1sqm_A]
  • SWISS-PROT database: [P09960]
  • Domain organization of [LKHA4_HUMAN] by SWISSPFAM
  • Domain found in 1SQM: [Leuk-A4-hydro_C ] by SMART
  • Other resources with information on 1SQM
  • Community annotation for 1SQM 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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