7KA1 Lyase Lyase Inhibitor date Sep 29, 2020
title 1.60 Angstrom Resolution Crystal Structure Of The Beta-Q114a Tryptophan Synthase In Complex With Inhibitor N-(4'- Trifluoromethoxybenzenesulfonyl)-2-Amino-1-Ethylphosphate ( The Alpha-Site, Aminoacrylate At The Beta Site, And Cesium Metal Coordination Site
authors E.Hilario, M.F.Dunn, L.J.Mueller
compound source
Molecule: Tryptophan Synthase Alpha Chain
Chain: A
Ec: 4.2.1.20
Engineered: Yes
 Organism_scientific: Salmonella Typhimurium (Strain Lt2 S Atcc 700720);
Organism_taxid: 99287
Strain: Lt2 Sgsc1412 Atcc 700720
Gene: Trpa, Stm1727
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Cb149
Expression_system_vector_type: Pbr322
Expression_system_plasmid: Peba-10

Molecule: Tryptophan Synthase Beta Chain
Chain: B
Ec: 4.2.1.20
Engineered: Yes
Mutation: Yes
Organism_scientific: Salmonella Typhimurium (Strain Lt2 S Atcc 700720);
Organism_taxid: 99287
Strain: Lt2 Sgsc1412 Atcc 700720
Gene: Trpb, Stm1726
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Cb149
Expression_system_vector_type: Pbr322
Expression_system_plasmid: Peba-10
symmetry Space Group: C 1 2 1
R_factor 0.155 R_Free 0.185
crystal
cell
length a length b length c angle alpha angle beta angle gamma
183.730 60.890 67.310 90.00 94.85 90.00
method X-Ray Diffractionresolution 1.60 Å
ligand 0JO, CL, CS, DMS, EDO, F9F, PEG, SER enzyme Lyase E.C.4.2.1.20 BRENDA
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (232 Kb) [Save to disk]
  • Biological Unit Coordinates (7ka1.pdb1.gz) 224 Kb
  • LPC: Ligand-Protein Contacts for 7KA1
  • CSU: Contacts of Structural Units for 7KA1
  • Structure Factors (2015 Kb)
  • Retrieve 7KA1 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 7KA1 from S2C, [Save to disk]
    • View 7KA1 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 7KA1
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1p7ka1, region A:1-107 [Jmol] [rasmolscript] [script source]
        - Domain d1a7ka1, region A:1-165,A:335-358 [Jmol] [rasmolscript] [script source]
        - Domain d1j7ka1, region A:255-329 [Jmol] [rasmolscript] [script source]
        - Domain d1d7ka1, region A:7-43,A:284-427 [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [7ka1_B] [7ka1_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
    • Other resources with information on 7KA1
  • Community annotation for 7KA1 at PDBWiki (http://pdbwiki.org)

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