4B6L

Discovery of Oral Polo-Like Kinase (PLK) Inhibitors with Enhanced Selectivity Profile using Residue Targeted Drug Design

• PDB DOI: https://doi.org/10.2210/pdb4B6L/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): No 


• Deposited: 2012-08-14 Released: 2013-08-21 
• Deposition Author(s): Brown, K., Charrier, J.D., Durrant, S., Griffiths, M., Hudson, C., Kay, D., Knegtel, R., ODonnell, M., Pierard, F., Twin, H., Weber, P., Young, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.289 
• R-Value Work: 0.244 
• R-Value Observed: 0.246 

Literature

Discovery of Oral Polo-Like Kinase (Plk) Inhibitors with Enhanced Selectivity Profile Using Residue Targeted Drug Design

Brown, K., Charrier, J.D., Durrant, S., Griffiths, M., Hudson, C., Kay, D., Knegtel, R., Odonnell, M., Pierard, F., Twin, H., Weber, P., Young, S.

To be published.

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: 32.79 kDa 
• Atom Count: 2,537 
• Modelled Residue Count: 281 
• Deposited Residue Count: 281 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SERINE/THREONINE-PROTEIN KINASE PLK3	A	281	Homo sapiens	Mutation(s): 0  EC: 2.7.11.21
UniProt & NIH Common Fund Data Resources
Find proteins for Q9H4B4 (Homo sapiens) Explore Q9H4B4  Go to UniProtKB:  Q9H4B4
PHAROS:  Q9H4B4 GTEx:  ENSG00000173846

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
9ZP	B [auth A]	4-[[(4R)-5-cyclopentyl-4-ethyl-3a,4-dihydro-3H-[1,2,4]triazolo[4,3-f]pteridin-7-yl]amino]-N-cyclopropyl-3-methoxy-benzamide C25 H32 N8 O2 BNAAGNVFCJFJIF-AUSIDOKSSA-N
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.289 
• R-Value Work: 0.244 
• R-Value Observed: 0.246 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 144.14	α = 90
b = 56.37	β = 96.83
c = 45.32	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
MOSFLM	data reduction
SCALA	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-08-21 
Deposition Author(s): Brown, K., Charrier, J.D., Durrant, S., Griffiths, M., Hudson, C., Kay, D., Knegtel, R., ODonnell, M., Pierard, F., Twin, H., Weber, P., Young, S.

Revision History  

• Version 1.0: 2013-08-21
  Type: Initial release
  
• Version 1.1: 2024-05-08
  Changes: Data collection, Database references, Derived calculations, Other