3F2N

Crystal Structure of Human Haspin with an Imidazo-pyridazine ligand

• PDB DOI: https://doi.org/10.2210/pdb3F2N/pdb

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


• Deposited: 2008-10-30 Released: 2008-12-02 
• Deposition Author(s): Filippakopoulos, P., Eswaran, J., Keates, T., Burgess-Brown, N., Fedorov, O., Yue, W.W., Murray, J.W., Pike, A.C.W., Von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.186 
• R-Value Work: 0.161 
• R-Value Observed: 0.162 

Starting Model: experimental

Literature

Crystal Structure of Human Haspin with an Imidazo-pyridazine ligand

Filippakopoulos, P., Eswaran, J., Keates, T., Burgess-Brown, N., Fedorov, O., Yue, W.W., Murray, J.W., Pike, A.C.W., Von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Knapp, S.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 41.43 kDa 
• Atom Count: 3,040 
• 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 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
IZZ	B [auth A]	(2S)-2-{[3-(3-aminophenyl)imidazo[1,2-b]pyridazin-6-yl]amino}-3-methylbutan-1-ol C17 H21 N5 O PUMVONFFLKPPIM-CQSZACIVSA-N
PO4	C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K
EDO	D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.186 
• R-Value Work: 0.161 
• R-Value Observed: 0.162 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.416	α = 90
b = 77.307	β = 90
c = 85.575	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-12-02 
Deposition Author(s): Filippakopoulos, P., Eswaran, J., Keates, T., Burgess-Brown, N., Fedorov, O., Yue, W.W., Murray, J.W., Pike, A.C.W., Von Delft, F., Arrowsmith, C.H., Edwards, A.M., Weigelt, J., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2008-12-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description