1K7E Lyase date Oct 19, 2001
title Crystal Structure Of Wild-Type Tryptophan Synthase Complexed [1h-Indol-3-Yl-Acetyl]Glycine Acid
authors M.Weyand, I.Schlichting, A.Marabotti, A.Mozzarelli
compound source
Molecule: Tryptophan Synthase Alpha Chain
Chain: A
Ec: 4.2.1.20
Engineered: Yes
Organism_scientific: Salmonella Typhimurium
Organism_taxid: 602
Gene: Trpatrpb
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Cb149
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pstb7

Molecule: Tryptophan Synthase Beta Chain
Chain: B
Ec: 4.2.1.20
Engineered: Yes

Organism_scientific: Salmonella Typhimurium
Organism_taxid: 602
Gene: Trpatrpb
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Cb149
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pstb7
symmetry Space Group: C 1 2 1
R_factor 0.167 R_Free 0.244
crystal
cell
length a length b length c angle alpha angle beta angle gamma
182.651 59.081 67.300 90.00 94.55 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand IAG, NA, PLP enzyme Lyase E.C.4.2.1.20 BRENDA
related structures by homologous chain: 1A50, 1FUY
Gene
Ontology
ChainFunctionProcessComponent
A


B


Primary referenceCrystal structures of a new class of allosteric effectors complexed to tryptophan synthase., Weyand M, Schlichting I, Marabotti A, Mozzarelli A, J Biol Chem 2002 Mar 22;277(12):10647-52. PMID:11756456
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk]
  • Biological Unit Coordinates (1k7e.pdb1.gz) 204 Kb
  • LPC: Ligand-Protein Contacts for 1K7E
  • CSU: Contacts of Structural Units for 1K7E
  • Likely Quarternary Molecular Structure file(s) for 1K7E
  • Structure Factors (251 Kb)
  • Retrieve 1K7E in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1K7E from S2C, [Save to disk]
  • Re-refined 1k7e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1K7E 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 1K7E
  • 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 1K7E, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1k7ea_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1k7eb_, 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: [1k7e_B] [1k7e_A] [1k7e]
  • SWISS-PROT database: [P00929] [P0A2K1]
  • Domain organization of [TRPA_SALTY] [TRPB_SALTY] by SWISSPFAM
  • Other resources with information on 1K7E
  • Community annotation for 1K7E 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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