7A28

Crystal structure of T. brucei PDE-B1 catalytic domain with inhibitor NPD-617


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.89 Å
  • R-Value Free: 0.202 
  • R-Value Work: 0.174 
  • R-Value Observed: 0.176 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Crystal structure of T. brucei PDE-B1 catalytic domain with inhibitor NPD-617

Singh, A.K.Brown, D.G.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Phosphodiesterase
A, B
360Trypanosoma bruceiMutation(s): 0 
Gene Names: PDEB1
EC: 3.1.4
UniProt
Find proteins for Q8WQX9 (Trypanosoma brucei)
Explore Q8WQX9 
Go to UniProtKB:  Q8WQX9
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8WQX9
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 6 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
QWT (Subject of Investigation/LOI)
Query on QWT

Download Ideal Coordinates CCD File 
C [auth A],
P [auth B]
1-cycloheptyl-3-(4-methoxy-3-{4-[4-(1H-1,2,3,4-tetrazol-5-yl)phenoxy]butoxy}phenyl)-4,4-dimethyl-4,5-dihydro-1H-pyrazol-5-one
C30 H38 N6 O4
JPXAIORZGBCHIB-UHFFFAOYSA-N
PEG
Query on PEG

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F [auth A],
G [auth A],
S [auth B],
T [auth B]
DI(HYDROXYETHYL)ETHER
C4 H10 O3
MTHSVFCYNBDYFN-UHFFFAOYSA-N
GOL
Query on GOL

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H [auth A]
I [auth A]
J [auth A]
N [auth A]
O [auth A]
H [auth A],
I [auth A],
J [auth A],
N [auth A],
O [auth A],
U [auth B]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN
Query on ZN

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D [auth A],
Q [auth B]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
GAI
Query on GAI

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K [auth A],
L [auth A],
M [auth A],
V [auth B],
W [auth B]
GUANIDINE
C H5 N3
ZRALSGWEFCBTJO-UHFFFAOYSA-N
MG
Query on MG

Download Ideal Coordinates CCD File 
E [auth A],
R [auth B]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
QWT BindingDB:  7A28 IC50: min: 49, max: 55 (nM) from 2 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.89 Å
  • R-Value Free: 0.202 
  • R-Value Work: 0.174 
  • R-Value Observed: 0.176 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 116.99α = 90
b = 116.53β = 108.58
c = 69.15γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
xia2data reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
European Union (EU)European Union602666

Revision History  (Full details and data files)

  • Version 1.0: 2021-08-25
    Type: Initial release
  • Version 1.1: 2024-01-31
    Changes: Data collection, Refinement description