5BXU | pdb_00005bxu

Human Tankyrase-2 in Complex with Macrocyclised Extended Peptide cp4n4m5

• PDB DOI: https://doi.org/10.2210/pdb5BXU/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-06-09 Released: 2016-06-29 
• Deposition Author(s): Xu, W., Fischer, G., Hyvonen, M., Itzhaki, L.
• Funding Organization(s): Medical Research Council (United Kingdom)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 
  0.186 (Depositor), 0.188 (DCC) 
• R-Value Work: 
  0.156 (Depositor), 0.159 (DCC) 
• R-Value Observed: 
  0.158 (Depositor) 

Starting Model: experimental

Literature

Human Tankyrase-2 in Complex with Extended Stapled Peptide sp4n4m5

Xu, W., Lau, Y.H., Fischer, G., Chattopadhyay, A., Tan, Y.S., Verma, C., Hyvonen, M., Spring, D.S., Itzhaki, L.S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 18.89 kDa 
• Atom Count: 1,576 
• Modeled Residue Count: 172 
• Deposited Residue Count: 173 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Tankyrase-2	A	164	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

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
cp4n4m5	B	9	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
4XQ	D [auth B]	4,4'-pentane-1,5-diylbis(1-propyl-1H-1,2,3-triazole) C15 H26 N6 MUTHZRDXMHMSAA-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
GMA	B	L-PEPTIDE LINKING	C5 H10 N2 O3		GLU

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free:  0.186 (Depositor), 0.188 (DCC) 
• R-Value Work:  0.156 (Depositor), 0.159 (DCC) 
• R-Value Observed: 0.158 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 31.086	α = 90
b = 63.279	β = 90
c = 72.325	γ = 90

Software Package:

Software Name	Purpose
Aimless	data scaling
XDS	data reduction
Coot	model building
REFMAC	refinement
PHASER	phasing
autoPROC	data reduction
CCP4	data scaling

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2016-06-29 
Deposition Author(s): Xu, W., Fischer, G., Hyvonen, M., Itzhaki, L.

---

Funding Organization	Location	Grant Number
Medical Research Council (United Kingdom)	United Kingdom	G1002329

Revision History  

• Version 1.0: 2016-06-29
  Type: Initial release
  
• Version 2.0: 2017-09-13
  Changes: Advisory, Atomic model, Author supporting evidence, Data collection, Derived calculations
• Version 3.0: 2023-11-15
  Changes: Advisory, Atomic model, Data collection, Database references, Refinement description
• Version 3.1: 2024-02-07
  Changes: Refinement description