Bookmark and Share
BioAssay: AID 630184

Binding affinity to recombinant rat brain Grp1 PH domain (amino acids 1 to 120) by SPR analysis

A bifunctional molecule containing biotin and d-myo-inositol 1,3,4,5-tetrakisphosphate was synthesized. This molecule was designed on the basis of X-ray structure of the complex of d-myo-inositol 1,3,4,5-tetrakisphosphates, Ins(1,3,4,5)P(4), and Grp1 PH (general receptor of phosphoinositides pleckstrin homology) domain for the application to the widely employed biotin-avidin techniques. The more ..
_
   
 Tested Compounds
 Tested Compounds
All(3)
 
 
Active(1)
 
 
Unspecified(2)
 
 
 Tested Substances
 Tested Substances
All(3)
 
 
Active(1)
 
 
Unspecified(2)
 
 
 Related BioAssays
 Related BioAssays
AID: 630184
Data Source: ChEMBL (787632)
Depositor Category: Literature, Extracted
BioAssay Version:
Deposit Date: 2012-09-09
Modify Date: 2013-11-17

Data Table ( Complete ):           Active    All
Target
Sequence: RecName: Full=Cytohesin-3; AltName: Full=PH, SEC7 and coiled-coil domain-containing protein 3; AltName: Full=SEC7 homolog C; Short=rSec7-3
Description ..   
Protein Family: Sec7
Comment ..   

Gene:CYTH3     Related Protein 3D Structures     More BioActivity Data..
BioActive Compound: 1
Description:
Title: Design and synthesis of biotinylated inositol 1,3,4,5-tetrakisphosphate targeting Grp1 pleckstrin homology domain.

Abstract: A bifunctional molecule containing biotin and d-myo-inositol 1,3,4,5-tetrakisphosphate was synthesized. This molecule was designed on the basis of X-ray structure of the complex of d-myo-inositol 1,3,4,5-tetrakisphosphates, Ins(1,3,4,5)P(4), and Grp1 PH (general receptor of phosphoinositides pleckstrin homology) domain for the application to the widely employed biotin-avidin techniques. The building block of inositol moiety was synthesized starting with myo-inositol and assembled with the biotin-linker moiety through a phosphate linkage. The equilibrium dissociation constant K(D) of biotinylated Ins(1,3,4,5)P(4) binding of original Grp1 PH domain was 0.14 muM in pull-down analysis, which was comparable to that of unmodified Ins(1,3,4,5)P(4). Furthermore, biotinylated Ins(1,3,4,5)P(4) had an ability to distinguish Grp1 PH domain from PLCdelta(1) PH domain. Thus, biotinylated Ins(1,3,4,5)P(4) retained the binding affinity and selectivity of original Grp1 PH domain, and realized the intracellular Ins(1,3,4,5)P(4) despite a tethering at the 1-phosphate group of inositol.
(PMID: 21996606)
Comment
Compounds with activity <= 50uM or explicitly reported as active by ChEMBL are flagged as active in this PubChem assay presentation.

Categorized Comment
ChEMBL Assay Type: Binding

ChEMBL Assay Data Source: Scientific Literature

ChEMBL Target ID: 104370

ChEMBL Target Type: Target is a single protein chain

Result Definitions
Show more
TIDNameDescriptionHistogramTypeUnit
OutcomeThe BioAssay activity outcomeOutcome
1Kd*Kd PubChem standard valueFloatμM
2BEIBinding Efficiency Index(nM)Float
3SEISurface Efficiency Index(nM)Float
4LELigand EfficiencyFloat
5LLELipophilic Ligand EfficiencyFloat
6Kd activity commentKd activity commentString
7Kd standard flagKd standard flagInteger
8Kd qualifierKd qualifierString
9Kd published valueKd published valueFloatμM
10Kd standard valueKd standard valueFloatnM

* Activity Concentration.

Data Table (Concise)
Classification
PageFrom: