1BKH Muconate Cycloisomerase date Jul 07, 1998
title Muconate Lactonizing Enzyme From Pseudomonas Putida
authors M.S.Hasson, I.Schlichting, J.Moulai, K.Taylor, W.Barrett, G.L.Ken P.C.Babbitt, J.A.Gerlt, G.A.Petsko, D.Ringe
compound source
Molecule: Muconate Lactonizing Enzyme
Chain: A, B, C
Synonym: Muconate Cycloisomerase
Ec: 5.5.1.1
Engineered: Yes
 Organism_scientific: Pseudomonas Putida
Organism_taxid: 303
Collection: Atcc 12633
Gene: Catb
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm105
Expression_system_plasmid: Pkk223-2
symmetry Space Group: I 4 2 2
R_factor 0.157 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
136.180 136.180 265.110 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand
enzyme Isomerase E.C.5.5.1.1 BRENDA
related structures by homologous chain: 1S2T, 1S2V
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceEvolution of an enzyme active site: the structure of a new crystal form of muconate lactonizing enzyme compared with mandelate racemase and enolase., Hasson MS, Schlichting I, Moulai J, Taylor K, Barrett W, Kenyon GL, Babbitt PC, Gerlt JA, Petsko GA, Ringe D, Proc Natl Acad Sci U S A 1998 Sep 1;95(18):10396-401. PMID:9724714
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (176 Kb) [Save to disk]
  • Biological Unit Coordinates (1bkh.pdb1.gz) 453 Kb
  • Biological Unit Coordinates (1bkh.pdb2.gz) 453 Kb
  • CSU: Contacts of Structural Units for 1BKH
  • Likely Quarternary Molecular Structure file(s) for 1BKH
  • Structure Factors (394 Kb)
  • Retrieve 1BKH in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1BKH from S2C, [Save to disk]
  • Re-refined 1bkh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1BKH 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 1BKH
  • 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
  • 3D motif for 1BKH, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1bkha1, region A:131-372 [Jmol] [rasmolscript] [script source]
        - Domain d1bkha2, region A:4-130 [Jmol] [rasmolscript] [script source]
        - Domain d1bkhb1, region B:131-372 [Jmol] [rasmolscript] [script source]
        - Domain d1bkhb2, region B:4-130 [Jmol] [rasmolscript] [script source]
        - Domain d1bkhc1, region C:131-372 [Jmol] [rasmolscript] [script source]
        - Domain d1bkhc2, region C:4-130 [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: [1bkh_B] [1bkh_A] [1bkh] [1bkh_C]
  • SWISS-PROT database: [Q51958]
  • Domain organization of [Q51958_PSEPU] by SWISSPFAM
  • Domain found in 1BKH: [MR_MLE ] by SMART
    • Other resources with information on 1BKH
  • Community annotation for 1BKH 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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