9FLB

Crystal structure of haspin (GSG2) in complex with MU1464

• PDB DOI: https://doi.org/10.2210/pdb9FLB/pdb

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


• Deposited: 2024-06-04 Released: 2024-09-11 
• Deposition Author(s): Chaikuad, A., Paruch, K., Knapp, S., Structural Genomics Consortium (SGC)
• Funding Organization(s): Not funded

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.245 
• R-Value Work: 0.193 
• R-Value Observed: 0.195 

Starting Model: experimental

Literature

Crystal structure of haspin (GSG2) in complex with MU1464

Chaikuad, A., Paruch, K., 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.

Macromolecule Content

• Total Structure Weight: 41.03 kDa 
• Atom Count: 2,700 
• 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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A1IDB (Subject of Investigation/LOI)	C [auth A]	5-(1-methylpyrazol-4-yl)-3-pyridin-4-yl-thieno[3,2-b]pyridine C16 H12 N4 S YILJPZBPSVVVEP-UHFFFAOYSA-N
NA	B [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.245 
• R-Value Work: 0.193 
• R-Value Observed: 0.195 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.75	α = 90
b = 79.064	β = 90
c = 80.142	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-09-11 
Deposition Author(s): Chaikuad, A., Paruch, K., Knapp, S., Structural Genomics Consortium (SGC)

---

Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-09-11
  Type: Initial release