4UUH

X-ray crystal structure of human TNKS in complex with a small molecule inhibitor

• PDB DOI: https://doi.org/10.2210/pdb4UUH/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2014-07-28 Released: 2015-07-08 
• Deposition Author(s): Oliver, A.W., Rajasekaran, M.B., Pearl, L.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.52 Å
• R-Value Free: 0.218 
• R-Value Work: 0.166 
• R-Value Observed: 0.169 

Literature

Design and Discovery of 3-Aryl-5-Substituted-Isoquinolin-1- Ones as Potent and Selective Tankyrase Inhibitors

Elliot, R.J., Jarvis, A., Rajasekaran, M.B., Menon, M., Bowers, L., Boffey, R., Bayford, M., Firth-Clark, S., Beevers, R., Aquil, R., Kirton, S.B., Niculescu-Duvaz, D., Fish, L., Lopes, F., Mcleary, R., Trindade, I., Vendrell, E., Munkonge, F., Porter, R., Perrior, T., Springer, C., Oliver, A.W., Pearl, L.H., Ashworth, A., Lord, C.J.

(2015) Med Chem Res 6: 1687

• DOI: https://doi.org/10.1039/C5MD00210A

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: 30.43 kDa 
• Atom Count: 1,809 
• Modelled Residue Count: 204 
• Deposited Residue Count: 258 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
TANKYRASE-1	A	258	Homo sapiens	Mutation(s): 1  EC: 2.4.2.30
UniProt & NIH Common Fund Data Resources
Find proteins for O95271 (Homo sapiens) Explore O95271  Go to UniProtKB:  O95271
PHAROS:  O95271 GTEx:  ENSG00000173273

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
T40	K [auth A]	5-methyl-3-[4-(piperazin-1-ylmethyl)phenyl]isoquinolin-1(2H)-one C21 H23 N3 O ZZCWXOKQTXSKMI-UHFFFAOYSA-N
GOL	C [auth A], D [auth A], E [auth A], I [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
EDO	F [auth A], G [auth A], H [auth A], J [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.52 Å
• R-Value Free: 0.218 
• R-Value Work: 0.166 
• R-Value Observed: 0.169 
• Space Group: I 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.32	α = 90
b = 80.89	β = 90
c = 83.7	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-07-08 
Deposition Author(s): Oliver, A.W., Rajasekaran, M.B., Pearl, L.H.

Revision History  

• Version 1.0: 2015-07-08
  Type: Initial release
  
• Version 1.1: 2016-01-13
  Changes: Database references
• Version 1.2: 2024-01-10
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description