8RDK

Crystal structure of human Haspin (GSG2) kinase bound to MD420

• PDB DOI: https://doi.org/10.2210/pdb8RDK/pdb

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


• Deposited: 2023-12-08 Released: 2024-03-06 
• Deposition Author(s): Kraemer, A., Defois, M., Giraud, F., Moreau, P., Anizon, F., Knapp, S., Structural Genomics Consortium (SGC)
• Funding Organization(s): Innovative Medicines Initiative

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.233 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 

Literature

Crystal structure of human Haspin (GSG2) kinase bound to MD420

Kraemer, A., Defois, M., Giraud, F., Moreau, P., Anizon, F., Knapp, S., Structural Genomics Consortium (SGC)

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 41.14 kDa 
• Atom Count: 2,780 
• Modelled Residue Count: 328 
• Deposited Residue Count: 357 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine/threonine-protein kinase haspin	A	357	Homo sapiens	Mutation(s): 0  Gene Names: HASPIN, GSG2 EC: 2.7.11.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TF76 (Homo sapiens) Explore Q8TF76  Go to UniProtKB:  Q8TF76
PHAROS:  Q8TF76 GTEx:  ENSG00000177602

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
YQT (Subject of Investigation/LOI)	D [auth A]	3-pyridin-4-yl-1~{H}-pyrrolo[3,2-g]isoquinoline C16 H11 N3 DFIYULDPYGDCHT-UHFFFAOYSA-N
MPD	C [auth A]	(4S)-2-METHYL-2,4-PENTANEDIOL C6 H14 O2 SVTBMSDMJJWYQN-YFKPBYRVSA-N
ZN	B [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.233 
• R-Value Work: 0.197 
• R-Value Observed: 0.199 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.509	α = 90
b = 78.199	β = 90
c = 86.872	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
Aimless	data scaling
XDS	data reduction
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-03-06 
Deposition Author(s): Kraemer, A., Defois, M., Giraud, F., Moreau, P., Anizon, F., Knapp, S., Structural Genomics Consortium (SGC)

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Funding Organization	Location	Grant Number
Innovative Medicines Initiative	Switzerland	875510

Revision History  

• Version 1.0: 2024-03-06
  Type: Initial release