9R1X | pdb_00009r1x

PLK1 SURFACE ENTROPY REDUCTION (SER) MUTANT IN COMPLEX WITH INHIBITOR BI 2536

PDB DOI: https://doi.org/10.2210/pdb9R1X/pdb

Classification: TRANSFERASE
Organism(s): Homo sapiens
Expression System: Trichoplusia ni
Mutation(s): Yes

Deposited: 2025-04-28 Released: 2025-11-26
Deposition Author(s): Hillig, R.C., Schulze, V.K., Siemeister, G., Schmitz, A.A., Eberspaecher, U.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.84 Å
R-Value Free:
0.277 (Depositor), 0.278 (DCC)
R-Value Work:
0.219 (Depositor), 0.220 (DCC)
R-Value Observed:
0.222 (Depositor)

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Polo-like kinase 1–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 Crystallogr D Biol Crystallogr 81

DOI: https://doi.org/10.1107/S2059798325009325

Macromolecule Content

Total Structure Weight: 74.9 kDa
Atom Count: 4,975
Modeled Residue Count: 584
Deposited Residue Count: 650
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase PLK1	A, B	325	Homo sapiens	Mutation(s): 2 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
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P53350
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
R78 (Subject of Investigation/LOI) Query on R78 Download Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain H [auth B] MOL2 format, chain C [auth A] MOL2 format, chain H [auth B] mmCIF format, chain C [auth A] mmCIF format, chain H [auth B]	C [auth A], H [auth B]	4-{[(7R)-8-cyclopentyl-7-ethyl-5-methyl-6-oxo-5,6,7,8-tetrahydropteridin-2-yl]amino}-3-methoxy-N-(1-methylpiperidin-4-yl)benzamide C₂₈ H₃₉ N₇ O₃ XQVVPGYIWAGRNI-JOCHJYFZSA-N		Interactions Focus chain C [auth A] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain H [auth B]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain I [auth B] SDF format, chain J [auth B] SDF format, chain L [auth B] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain I [auth B] MOL2 format, chain J [auth B] MOL2 format, chain L [auth B] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain I [auth B] mmCIF format, chain J [auth B] mmCIF format, chain L [auth B]	D [auth A] E [auth A] F [auth A] G [auth A] I [auth B] D [auth A], E [auth A], F [auth A], G [auth A], I [auth B], J [auth B], L [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain I [auth B] Focus chain J [auth B] Focus chain L [auth B] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain I [auth B] Focus chain J [auth B] Focus chain L [auth B]
GOL Query on GOL Download Ideal Coordinates CCD File SDF format, chain K [auth B] MOL2 format, chain K [auth B] mmCIF format, chain K [auth B]	K [auth B]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain K [auth B] Interactions & Density Focus chain K [auth B]