1AXW

E. COLI THYMIDYLATE SYNTHASE IN COMPLEX WITH METHOTREXATE (MTX) AND 2'-DEOXYURIDINE 5'-MONOPHOSPHATE (DUMP)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 
    0.265 (Depositor) 
  • R-Value Work: 
    0.217 (Depositor) 
  • R-Value Observed: 
    0.217 (Depositor) 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.3 of the entry. See complete history


Literature

Discovery of Thymidylate Synthase Inhibitors Using Flexible Docking and an Empirically Tuned Scoring Function

Welch, W.Sage, C.R.Stout, T.J.Klein, T.Ruppert, J.Stroud, R.M.Jain, A.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
THYMIDYLATE SYNTHASE
A, B
265Escherichia coliMutation(s): 0 
Gene Names: THYA
EC: 2.1.1.45
UniProt
Find proteins for P0A884 (Escherichia coli (strain K12))
Explore P0A884 
Go to UniProtKB:  P0A884
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0A884
Sequence Annotations
Expand
  • Reference Sequence
1AXW_1
020406080100120140160180200220240260
1AXW_1
UNIPROT P0A884
MODIFIED MONOMER
HYDROPATHY
DISORDER
DISORDERED BINDING
PFAM
Small Molecules
Binding Affinity Annotations 
IDSourceBinding Affinity
MTX BindingDB:  1AXW IC50: min: 1800, max: 9.00e+4 (nM) from 3 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free:  0.265 (Depositor) 
  • R-Value Work:  0.217 (Depositor) 
  • R-Value Observed: 0.217 (Depositor) 
Space Group: P 63
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 127.34α = 90
b = 127.34β = 90
c = 68.06γ = 120
Software Package:
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 1998-10-28
    Type: Initial release
  • Version 1.1: 2008-03-24
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2023-08-02
    Changes: Database references, Derived calculations, Other, Refinement description