3IRM

Trypanosoma cruzi Dihydrofolate Reductase-Thymidylate Synthase COMPLEXED WITH Cycloguanil


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.202 

wwPDB Validation   3D Report Full Report


Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history


Literature

Structural basis of antifolate inhibition of Trypanosoma cruzi Dihydrofolate Reductase-Thymidylate Synthase

Chitnumsub, P.Yuvaniyama, J.Vilaivan, T.Vanichtanankul, J.Kamchonwongpaisan, S.Yuthavong, Y.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Bifunctional dihydrofolate reductase-thymidylate synthaseA, B, C, D521Trypanosoma cruziMutation(s): 0 
EC: 1.5.1.3 (PDB Primary Data), 2.1.1.45 (PDB Primary Data)
UniProt
Find proteins for Q27793 (Trypanosoma cruzi)
Explore Q27793 
Go to UniProtKB:  Q27793
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ27793
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
1CY
Query on 1CY

Download Ideal Coordinates CCD File 
E [auth A],
K [auth B],
Q [auth C],
U [auth D]
1-(4-chlorophenyl)-6,6-dimethyl-1,6-dihydro-1,3,5-triazine-2,4-diamine
C11 H14 Cl N5
QMNFFXRFOJIOKZ-UHFFFAOYSA-N
 Ligand Interaction
PO4
Query on PO4

Download Ideal Coordinates CCD File 
F [auth A],
G [auth A],
L [auth B],
M [auth B],
R [auth C],
F [auth A],
G [auth A],
L [auth B],
M [auth B],
R [auth C],
S [auth C],
V [auth D],
W [auth D]
PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
 Ligand Interaction
ACT
Query on ACT

Download Ideal Coordinates CCD File 
H [auth A],
I [auth A],
J [auth A],
N [auth B],
O [auth B],
H [auth A],
I [auth A],
J [auth A],
N [auth B],
O [auth B],
P [auth B],
T [auth C],
X [auth D]
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.10 Å
  • R-Value Free: 0.245 
  • R-Value Work: 0.202 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 81.436α = 90
b = 165.792β = 113.395
c = 84.767γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection
HKL-2000data reduction
AMoREphasing

Structure Validation

View Full Validation Report



Ligand Structure Quality Assessment 



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-07-28
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 1.2: 2017-11-01
    Changes: Refinement description