3E7V

Crystal Structure of Human Haspin with a pyrazolo-pyrimidine ligand

• PDB DOI: https://doi.org/10.2210/pdb3E7V/pdb

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


• Deposited: 2008-08-19 Released: 2008-10-14 
• Deposition Author(s): Filippakopoulos, P., Eswaran, J., Keates, T., Burgess-Brown, N., Fedorov, O., Pike, A.C.W., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Wickstroem, M., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.225 
• R-Value Work: 0.168 
• R-Value Observed: 0.170 

Literature

Crystal Structure of Human Haspin with a pyrazolo-pyrimidine ligand

Filippakopoulos, P., Eswaran, J., Keates, T., Burgess-Brown, N., Fedorov, O., Pike, A.C.W., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Wickstroem, M., 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: 41.54 kDa 
• Atom Count: 2,983 
• 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: 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
DZO	B [auth A]	3-(3-aminophenyl)-N-(3-chlorophenyl)pyrazolo[1,5-a]pyrimidin-5-amine C18 H14 Cl N5 JDNMRPIWJIDDAY-UHFFFAOYSA-N
EDO	D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
NI	C [auth A]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.225 
• R-Value Work: 0.168 
• R-Value Observed: 0.170 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.497	α = 90
b = 86.952	β = 90
c = 68.46	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-10-14 
Deposition Author(s): Filippakopoulos, P., Eswaran, J., Keates, T., Burgess-Brown, N., Fedorov, O., Pike, A.C.W., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Wickstroem, M., Bountra, C., Knapp, S., Structural Genomics Consortium (SGC)

Revision History  

• Version 1.0: 2008-10-14
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2018-01-31
  Changes: Database references, Structure summary
• Version 1.3: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description