7A2F | pdb_00007a2f

Crystal structure of T. brucei PDE-B1 catalytic domain with inhibitor NPD-656


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free: 
    0.224 (Depositor), 0.199 (DCC) 
  • R-Value Work: 
    0.188 (Depositor) 
  • R-Value Observed: 
    0.189 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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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-656

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

To be published.

Macromolecule Content 

  • Total Structure Weight: 82.76 kDa 
  • Atom Count: 5,755 
  • Modeled Residue Count: 665 
  • Deposited Residue Count: 720 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  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
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Reference Sequence

Small Molecules

Ligands 6 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
QWZ
(Subject of Investigation/LOI)

Query on QWZ



Download:Ideal Coordinates CCD File
S [auth B]1-cycloheptyl-3-{4-methoxy-3-[2-(4-methoxyphenyl)ethoxy]phenyl}-4,4-dimethyl-4,5-dihydro-1H-pyrazol-5-one
C28 H36 N2 O4
RIACCCXIOWXEOM-UHFFFAOYSA-N
GOL

Query on GOL



Download:Ideal Coordinates CCD File
I [auth A],
K [auth A],
Q [auth B],
T [auth B]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN

Query on ZN



Download:Ideal Coordinates CCD File
C [auth A],
N [auth B]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
GAI

Query on GAI



Download:Ideal Coordinates CCD File
G [auth A]
H [auth A]
J [auth A]
L [auth A]
M [auth B]
G [auth A],
H [auth A],
J [auth A],
L [auth A],
M [auth B],
P [auth B],
R [auth B]
GUANIDINE
C H5 N3
ZRALSGWEFCBTJO-UHFFFAOYSA-N
FMT

Query on FMT



Download:Ideal Coordinates CCD File
E [auth A],
F [auth A]
FORMIC ACID
C H2 O2
BDAGIHXWWSANSR-UHFFFAOYSA-N
MG

Query on MG



Download:Ideal Coordinates CCD File
D [auth A],
O [auth B]
MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
QWZ BindingDB:  7A2F IC50: 630 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.00 Å
  • R-Value Free:  0.224 (Depositor), 0.199 (DCC) 
  • R-Value Work:  0.188 (Depositor) 
  • R-Value Observed: 0.189 (Depositor) 
Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 115.58α = 90
b = 115β = 108.36
c = 68.45γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
xia2data reduction
Aimlessdata scaling
PHASERphasing

Structure Validation

View Full Validation Report



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