9R1W | pdb_00009r1w

PLK1 SURFACE ENTROPY REDUCTION (SER) MUTANT IN COMPLEX WITH THIAZOLIDINONE INHIBITOR COMPOUND 1


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 
    0.216 (Depositor), 0.219 (DCC) 
  • R-Value Work: 
    0.178 (Depositor), 0.182 (DCC) 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 1.0 of the entry. See complete history


Literature

PLK1-Inhibitor Co-complex Structures via the Surface Entropy Reduction Approach and a DARPin-assisted Approach

Eberspaecher, U.Schmitz, A.A.Siemeister, G.Bomer, U.Bandeiras, T.M.Matias, P.M.Schulze, V.K.Hillig, R.C.

(2025) Acta Crystallographica Section D 81


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Serine/threonine-protein kinase PLK1A [auth AAA],
B [auth BBB]
325Homo sapiensMutation(s): 2 
Gene Names: PLK1PLK
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 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP53350
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
A1JCP (Subject of Investigation/LOI)
Query on A1JCP

Download Ideal Coordinates CCD File 
C [auth AAA],
L [auth BBB]
(2~{Z})-2-cyano-2-[3-ethyl-5-[(~{E})-[2-[methyl-(1-methylpiperidin-4-yl)amino]pyridin-4-yl]iminomethyl]-4-oxidanylidene-1,3-thiazol-2-ylidene]-~{N}-[2,2,2-tris(fluoranyl)ethyl]ethanamide
C23 H28 F3 N7 O2 S
GTQIHYRIVZRZQE-DLTYULCUSA-N
SO4
Query on SO4

Download Ideal Coordinates CCD File 
D [auth AAA]
E [auth AAA]
I [auth AAA]
J [auth AAA]
M [auth BBB]
D [auth AAA],
E [auth AAA],
I [auth AAA],
J [auth AAA],
M [auth BBB],
O [auth BBB]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
GOL
Query on GOL

Download Ideal Coordinates CCD File 
F [auth AAA],
G [auth AAA],
K [auth AAA],
N [auth BBB],
P [auth BBB]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL
Query on CL

Download Ideal Coordinates CCD File 
H [auth AAA]CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free:  0.216 (Depositor), 0.219 (DCC) 
  • R-Value Work:  0.178 (Depositor), 0.182 (DCC) 
Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 113.048α = 90
b = 103.921β = 115.435
c = 70.799γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
Not funded--

Revision History  (Full details and data files)

  • Version 1.0: 2025-11-26
    Type: Initial release