8S30

Crystal structure of human PLK1 Polo-Box Domain in complex with Mis18

PDB DOI: https://doi.org/10.2210/pdb8S30/pdb

Classification: CELL CYCLE
Organism(s): Homo sapiens
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-02-19 Released: 2024-08-21
Deposition Author(s): Jeyaprakash, A.A., Medina-Pritchard, B.
Funding Organization(s): Medical Research Council (MRC, United Kingdom)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.94 Å
R-Value Free: 0.271
R-Value Work: 0.217
R-Value Observed: 0.219

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-mediated phosphorylation cascade activates Mis18 complex to ensure centromere inheritance

Jeyaprakash, A.A., Medina-Pritchard, B.

(2024) Science

DOI: https://doi.org/10.1126/science.ado8270

Macromolecule Content

Total Structure Weight: 28.76 kDa
Atom Count: 1,833
Modelled Residue Count: 215
Deposited Residue Count: 249
Unique protein chains: 2

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	242	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
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P53350
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein Mis18-alpha	B	7	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for Q9NYP9 (Homo sapiens) Explore Q9NYP9 Go to UniProtKB: Q9NYP9
PHAROS: Q9NYP9 GTEx: ENSG00000159055
Entity Groups
UniProt Group	Q9NYP9
Sequence Annotations Expand
Reference Sequence

Small Molecules

Modified Residues 1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP Query on SEP	B	L-PEPTIDE LINKING	C₃ H₈ N O₆ P		SER

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.94 Å
R-Value Free: 0.271
R-Value Work: 0.217
R-Value Observed: 0.219
Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.138	α = 90
b = 56.568	β = 115.74
c = 49.576	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	refinement
XDS	data reduction
xia2	data scaling
PHASER	phasing

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2024-08-21

Deposition Author(s):

Jeyaprakash, A.A.

Medina-Pritchard, B.

Funding Organization	Location	Grant Number
Medical Research Council (MRC, United Kingdom)	United Kingdom	MR/X001245/1

Revision History (Full details and data files)

Version 1.0: 2024-08-21
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.