Inhibition of C-terminal His6-tagged human full-length LCK expressed in Sf9 cells after 60 mins by TR-FRET Assay - BioAssay Summary
Imidazo[1,5-a]quinoxalines were synthesized that function as irreversible Bruton's tyrosine kinase (BTK) inhibitors. The syntheses and SAR of this series of compounds are presented as well as the X-ray crystal structure of the lead compound 36 in complex with a gate-keeper variant of ITK enzyme. The lead compound showed good in vivo efficacy in preclinical RA models. ..more
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 Tested Compounds
 Tested Compounds
All(1)
 
 
Active(1)
 
 
 Tested Substances
 Tested Substances
All(1)
 
 
Active(1)
 
 
 Related BioAssays
 Related BioAssays
Table of Contents
AID: 631104
Data Source: ChEMBL (788552)
Depositor Category: Literature, Extracted
BioAssay Version:
Deposit Date: 2012-09-09
Modify Date: 2013-05-15

Data Table (Complete):           Active    All
Target
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Sequence: RecName: Full=Tyrosine-protein kinase Lck; AltName: Full=Leukocyte C-terminal Src kinase; Short=LSK; AltName: Full=Lymphocyte cell-specific protein-tyrosine kinase; AltName: Full=Protein YT16; AltName: Full=Proto-oncogene Lck; AltName: Full=T cell-specific protein-tyrosine kinase; AltName: Full=p56-LCK
Description ..   
Protein Family: Catalytic domain of the Protein Tyrosine Kinases, Lymphocyte-specific kinase and Blk
Comment ..   

Gene:LCK     Related Protein 3D Structures
BioActive Compound: 1
Description:
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Title: Imidazo[1,5-a]quinoxalines as irreversible BTK inhibitors for the treatment of rheumatoid arthritis.

Abstract: Imidazo[1,5-a]quinoxalines were synthesized that function as irreversible Bruton's tyrosine kinase (BTK) inhibitors. The syntheses and SAR of this series of compounds are presented as well as the X-ray crystal structure of the lead compound 36 in complex with a gate-keeper variant of ITK enzyme. The lead compound showed good in vivo efficacy in preclinical RA models.
(PMID: 21958547)
Comment
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Compounds with activity <= 50uM or explicitly reported as active by ChEMBL are flagged as active in this PubChem assay presentation.

Categorized Comment
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ChEMBL Assay Type: Binding

ChEMBL Assay Data Source: Scientific Literature

ChEMBL Target ID: 10140

ChEMBL target type: Target is a single protein chain

Result Definitions
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TIDNameDescriptionHistogramTypeUnit
OutcomeThe BioAssay activity outcomeOutcome
1IC50*IC50 PubChem standard valueFloatμM
2BEIBinding Efficiency Index(nM)Float
3SEISurface Efficiency Index(nM)Float
4IC50 activity commentIC50 activity commentString
5IC50 standard flagIC50 standard flagInteger
6IC50 qualifierIC50 qualifierString
7IC50 published valueIC50 published valueFloatnM
8IC50 standard valueIC50 standard valueFloatnM
9IC50 binding domainsIC50 binding domainsString
* Activity Concentration.

Data Table (Concise)
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Classification
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