3IO7 image
Deposition Date 2009-08-13
Release Date 2009-11-10
Last Version Date 2024-11-06
Entry Detail
PDB ID:
3IO7
Keywords:
TRANSFERASE
Title:
2-Aminopyrazolo[1,5-a]pyrimidines as potent and selective inhibitors of JAK2
Biological Source:
Source Organism(s):
Homo sapiens (Taxon ID: 9606)
Expression System(s):
Baculovirus
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.60 Å
R-Value Free:
0.29
R-Value Work:
0.19
R-Value Observed:
0.20
Space Group:
C 2 2 21
3IO7 validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Tyrosine-protein kinase JAK2
Gene (Uniprot):JAK2
Chain IDs:A
Chain Length:313
Number of Molecules:1
Biological Source:Homo sapiens
UniProt ID:O60674 Pfam ID:PF07714 EC:2.7.10.2
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
PTR A TYR O-PHOSPHOTYROSINE
Ligand Molecules
1P5
Primary Citation
2-Aminopyrazolo[1,5-a]pyrimidines as potent and selective inhibitors of JAK2.
Bioorg.Med.Chem.Lett. 19 6529 6533 (2009)
PMID: 19857967 DOI: 10.1016/j.bmcl.2009.10.053

Abstact

Constitutive activation of the EPO/JAK2 signaling cascade has recently been implicated in a variety of myeloproliferative disorders including polycythemia vera, essential thrombocythemia and myelofibrosis. In an effort to uncover therapeutic potential of blocking the EPO/JAK2 signaling cascade, we sought to discover selective inhibitors that block the kinase activity of JAK2. Herein, we describe the discovery and structure based optimization of a novel series of 2-amino-pyrazolo[1,5-a]pyrimidines that exhibit potent inhibition of JAK2.

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Disease

Primary Citation of related structures
3IO7
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