1AX4 Tryptophan Biosynthesis date Oct 28, 1997
title Tryptophanase From Proteus Vulgaris
authors M.N.Isupov, A.A.Antson, E.J.Dodson, G.G.Dodson, I.S.Dementieva, L.N.Zakomirdina, K.S.Wilson, Z.Dauter, A.A.Lebedev, E.H.Harutyu
compound source
Molecule: Tryptophanase
Chain: A, B, C, D
Synonym: Tryptophan Indole-Lyase
Ec: 4.1.99.1
Engineered: Yes
Other_details: Pyridoxal 5'-Dependent Enzyme, Requires Mono Cations For Activity, Degrades L-Tryptophan To Indole, Pyru Ammonia
Organism_scientific: Proteus Vulgaris
Organism_taxid: 585
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 21
R_factor 0.187 R_Free 0.227
crystal
cell
length a length b length c angle alpha angle beta angle gamma
114.990 118.230 153.680 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand K, LLP enzyme Lyase E.C.4.1.99.1 BRENDA
related structures by homologous chain: 1VRM
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceCrystal structure of tryptophanase., Isupov MN, Antson AA, Dodson EJ, Dodson GG, Dementieva IS, Zakomirdina LN, Wilson KS, Dauter Z, Lebedev AA, Harutyunyan EH, J Mol Biol 1998 Feb 27;276(3):603-23. PMID:9551100
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (318 Kb) [Save to disk]
  • Biological Unit Coordinates (1ax4.pdb1.gz) 311 Kb
  • LPC: Ligand-Protein Contacts for 1AX4
  • CSU: Contacts of Structural Units for 1AX4
  • Likely Quarternary Molecular Structure file(s) for 1AX4
  • Structure Factors (1257 Kb)
  • Retrieve 1AX4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1AX4 from S2C, [Save to disk]
  • Re-refined 1ax4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1AX4 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 1AX4
  • 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 1AX4, from MSDmotif at EBI
  • Genome occurence of 1AX4's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ax4a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1ax4b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1ax4c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1ax4d_, region D [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: [1ax4_B] [1ax4] [1ax4_A] [1ax4_C] [1ax4_D]
  • SWISS-PROT database: [P28796]
  • Domain organization of [TNAA_PROVU] by SWISSPFAM
  • Other resources with information on 1AX4
  • Community annotation for 1AX4 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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