4XYC Ligase Ligase Inhibitor date Feb 02, 2015
title Nanomolar Inhibitors Of Mycobacterium Tuberculosis Glutamine Synthetase 1: Synthesis, Biological Evaluation And X-Ray Crystallographic Studies
authors C.Couturier, S.Silve, R.Morales, B.Ppessegue, S.Llopart, A.Nair, A B.Scheiper, C.Poeverlein, A.Ganzhorn, S.Lagrange, E.Bacque
compound source
Molecule: Glutamine Synthetase 1
Chain: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R V, W, X;
Synonym: Glutamate--Ammonia Ligase 1
Engineered: Yes
Organism_scientific: Mycobacterium Tuberculosis
Organism_taxid: 1773
Gene: Glna1, Glna, Mt2278
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_variant: Plyss
symmetry Space Group: P 21 21 21
R_factor 0.200 R_Free 0.265
length a length b length c angle alpha angle beta angle gamma
260.112 273.497 207.634 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.30 Å
ligand 2K9 enzyme Ligase E.C. BRENDA
S, F, T, N, K, E, V, Q, M, C, L, A, J, O, W, X, P, B, H, D, R, I, G, U

Primary referenceNanomolar inhibitors of Mycobacterium tuberculosis glutamine synthetase 1: Synthesis, biological evaluation and X-ray crystallographic studies., Couturier C, Silve S, Morales R, Pessegue B, Llopart S, Nair A, Bauer A, Scheiper B, Poverlein C, Ganzhorn A, Lagrange S, Bacque E, Bioorg Med Chem Lett. 2015 Apr 1;25(7):1455-9. doi: 10.1016/j.bmcl.2015.02.035., Epub 2015 Feb 23. PMID:25770781
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (1781 Kb) [Save to disk]
  • Biological Unit Coordinates (4xyc.pdb1.gz) 894 Kb
  • Biological Unit Coordinates (4xyc.pdb2.gz) 893 Kb
  • LPC: Ligand-Protein Contacts for 4XYC
  • CSU: Contacts of Structural Units for 4XYC
  • Structure Factors (4181 Kb)
  • Retrieve 4XYC in mmCIF format [Save to disk]
  • Re-refined 4xyc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4XYC 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 4XYC
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 4XYC, from MSDmotif at EBI
  • Fold representative 4xyc from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4xyc_M] [4xyc_U] [4xyc_X] [4xyc_N] [4xyc_I] [4xyc_L] [4xyc_C] [4xyc_R] [4xyc_V] [4xyc_E] [4xyc] [4xyc_P] [4xyc_B] [4xyc_H] [4xyc_Q] [4xyc_G] [4xyc_K] [4xyc_W] [4xyc_D] [4xyc_J] [4xyc_A] [4xyc_T] [4xyc_F] [4xyc_S] [4xyc_O]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4XYC: [Gln-synt_C ] by SMART
  • Other resources with information on 4XYC
  • Community annotation for 4XYC at PDBWiki (http://pdbwiki.org)

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