5DCZ

Tankyrase 2 complexed with a selective inhibitor

• PDB DOI: https://doi.org/10.2210/pdb5DCZ/pdb

• Classification: TRANSFERASE/TRANSFERASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2015-08-24 Released: 2016-09-07 
• Deposition Author(s): Shewchuk, L.M., Muelbaier, M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free: 0.202 
• R-Value Work: 0.180 
• R-Value Observed: 0.181 

Starting Model: experimental

Literature

Discovery of a new tool compound with superior selectivity to interrogate the biology of Tankyrase

Muelbaier, M., Shewchuk, L.M.

(2015) J Med Chem 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 26.62 kDa 
• Atom Count: 1,768 
• Modelled Residue Count: 203 
• Deposited Residue Count: 231 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tankyrase-2	A	231	Homo sapiens	Mutation(s): 0  Gene Names: TNKS2, PARP5B, TANK2, TNKL EC: 2.4.2.30 (PDB Primary Data), 2.4.2 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for Q9H2K2 (Homo sapiens) Explore Q9H2K2  Go to UniProtKB:  Q9H2K2
PHAROS:  Q9H2K2 GTEx:  ENSG00000107854

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
59B	D [auth A]	morpholin-4-yl[4-(tetrazolo[1,5-a]quinoxalin-4-ylamino)phenyl]methanone C19 H17 N7 O2 HWBRIQBWLONMBS-UHFFFAOYSA-N
PO4	C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
59B	BindingDB:  5DCZ	IC50: min: 50, max: 158 (nM) from 2 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.23 Å
• R-Value Free: 0.202 
• R-Value Work: 0.180 
• R-Value Observed: 0.181 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.599	α = 90
b = 66.599	β = 90
c = 114.61	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling
REFMAC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-09-07 
Deposition Author(s): Shewchuk, L.M., Muelbaier, M.

Revision History  

• Version 1.0: 2016-09-07
  Type: Initial release
  
• Version 1.1: 2023-09-27
  Changes: Data collection, Database references, Derived calculations, Refinement description