5HTC

Crystal structure of haspin (GSG2) in complex with bisubstrate inhibitor ARC-3372


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.171 
  • R-Value Work: 0.150 

wwPDB Validation 3D Report Full Report


This is version 1.3 of the entry. See complete history

Literature

Co-crystal structures of the protein kinase haspin with bisubstrate inhibitors.

Lavogina, D.Kestav, K.Chaikuad, A.Heroven, C.Knapp, S.Uri, A.

(2016) Acta Crystallogr.,Sect.F 72: 339-345

  • DOI: 10.1107/S2053230X16004611
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • Haspin is a mitotic protein kinase that is responsible for the phosphorylation of Thr3 of histone H3, thereby creating a recognition motif for docking of the chromosomal passenger complex that is crucial for the progression of cell division. Here, tw ...

    Haspin is a mitotic protein kinase that is responsible for the phosphorylation of Thr3 of histone H3, thereby creating a recognition motif for docking of the chromosomal passenger complex that is crucial for the progression of cell division. Here, two high-resolution models of haspin with previously reported inhibitors consisting of an ATP analogue and a histone H3(1-7) peptide analogue are presented. The structures of the complexes confirm the bisubstrate character of the inhibitors by revealing the signature binding modes of the moieties targeting the ATP-binding site and the protein substrate-binding site of the kinase. This is the first structural model of a bisubstrate inhibitor targeting haspin. The presented structural data represent a model for the future development of more specific haspin inhibitors.


    Organizational Affiliation

    Institute of Chemistry, University of Tartu, Ravila 14A, 50411 Tartu, Estonia.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Serine/threonine-protein kinase haspin
A
357Homo sapiensMutation(s): 0 
Gene Names: HASPIN (GSG2)
EC: 2.7.11.1
Find proteins for Q8TF76 (Homo sapiens)
Go to Gene View: HASPIN
Go to UniProtKB:  Q8TF76
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
ARC-3372 INHIBITOR
C
7N/AMutation(s): 0 
Protein Feature View is not available: No corresponding UniProt sequence found.
Small Molecules
Ligands 4 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
66M
Query on 66M

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Download CCD File 
C
(2R)-2-{[6-({[(2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]carbonyl}amino)hexanoyl]amino}butanedioic acid (non-preferred name)
C20 H27 N7 O9
MMQKVHWBTLHGSP-ZXQBGJJXSA-N
 Ligand Interaction
NA
Query on NA

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Download CCD File 
A
SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
 Ligand Interaction
DMS
Query on DMS

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Download CCD File 
A
DIMETHYL SULFOXIDE
C2 H6 O S
IAZDPXIOMUYVGZ-UHFFFAOYSA-N
 Ligand Interaction
MPD
Query on MPD

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Download CCD File 
A
(4S)-2-METHYL-2,4-PENTANEDIOL
C6 H14 O2
SVTBMSDMJJWYQN-YFKPBYRVSA-N
 Ligand Interaction
Modified Residues  1 Unique
IDChainsTypeFormula2D DiagramParent
66N
Query on 66N
C
NON-POLYMERC3 H8 N2 O

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Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.5 Å
  • R-Value Free: 0.171 
  • R-Value Work: 0.150 
  • Space Group: P 21 21 21
Unit Cell:
Length (Å)Angle (°)
a = 77.970α = 90.00
b = 78.903β = 90.00
c = 81.060γ = 90.00
Software Package:
Software NamePurpose
REFMACrefinement
PHASERphasing
iMOSFLMdata reduction
SCALAdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2016-03-16
    Type: Initial release
  • Version 1.1: 2016-05-04
    Type: Database references
  • Version 1.2: 2016-05-11
    Type: Database references
  • Version 1.3: 2018-01-24
    Type: Source and taxonomy