3P2W

Unliganded form of Polo-like kinase I Polo-box domain

• PDB DOI: https://doi.org/10.2210/pdb3P2W/pdb

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


• Deposited: 2010-10-04 Released: 2011-04-27 
• Deposition Author(s): Sledz, P., Hyvonen, M., Abell, C.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.66 Å
• R-Value Free: 
  0.232 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.205 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.207 (Depositor) 

Starting Model: experimental

Literature

From crystal packing to molecular recognition: prediction and discovery of a binding site on the surface of polo-like kinase 1

Sledz, P., Stubbs, C.J., Lang, S., Yang, Y.Q., McKenzie, G.J., Venkitaraman, A.R., Hyvonen, M., Abell, C.

(2011) Angew Chem Int Ed Engl 50: 4003-4006

• PubMed: 21472932 
• DOI: https://doi.org/10.1002/anie.201008019
• Primary Citation of Related Structures:  
  3P2W, 3P2Z, 3P34, 3P35, 3P36, 3P37, 3Q1I

---

Organizational Affiliation: 

University Chemical Laboratory, University of Cambridge, Lensfield Road, CB2 1EW, Cambridge, UK.

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: 27.22 kDa 
• Atom Count: 2,058 
• Modelled Residue Count: 219 
• Deposited Residue Count: 232 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase PLK1	A	232	Homo sapiens	Mutation(s): 0  Gene Names: PLK1, PLK EC: 2.7.11.21
UniProt & NIH Common Fund Data Resources
Find proteins for P53350 (Homo sapiens) Explore P53350  Go to UniProtKB:  P53350
PHAROS:  P53350 GTEx:  ENSG00000166851

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	D [auth A], E [auth A], F [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.66 Å
• R-Value Free:  0.232 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.205 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.207 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 33.462	α = 90
b = 98.882	β = 98.48
c = 36.138	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-04-27 
Deposition Author(s): Sledz, P., Hyvonen, M., Abell, C.

Revision History  

• Version 1.0: 2011-04-27
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description