Structure of PDB 5t28 Chain A Binding Site BS01

Receptor Information
>5t28 Chain A (length=822) Species: 10090 (Mus musculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VKKLINSQISLLIGKGLHEFDSLRDPEVNDFRTKMRQFCEEAAAHRQQLG
WVEWLQYSFPLQLEPNRALLVNVKFEGSEESFTFQVSTKDMPLALMACAL
RKKATVFRQQPEEYALQVNGRHEYLYGNYPLCHFQYICSCLHSGLTPHLT
MVHSSSILAMRDEQSNLWSLEQPFSIELIEGRKVNAMKLVVQAGLFHGNE
MLCKTVSSSEVNVCSEPVWKQRLEFDISVCDLPRMARLCFALYAVVDCPI
AWANLMLFDYKDQLKTGERCLYMWPSVLLNPAGTVRGNPNTESAAALVIY
LPEVAPVYFPALEKILELLREILERELYEHEKDLVWKMRHEVQEHFPEAL
ARLLLVTKWNKHEDVAQMLYLLCSWPELPVLSALELLDFSFPDCYVGSFA
IKSLRKLTDDELFQYLLQLVQVLKYESYLDCELTKFLLGRALANRKIGHF
LFWHLRSEMHVPSVALRFGLIMEAYCRGSTHHMKVLMKQGEALSKLKALN
DFVKVSSQKTTKPQTKEMMHMCMRQETYMEALSHLQSPLDPSTLLEEVCV
EQCTFMDSKMKPLWIMYSSEEAGSAGNVGIIFKNGDDLRQDMLTLQMIQL
MDVLWKQEGLDLRMTPYGCLPTGDRTGLIEVVLHSDTIANIQLNKSNMAA
TAAFNKDALLNWLKSKNPGEALDRAIEEFTLSCAGYCVATYVLGIGDRHS
DNIMIRESGQLFHIDFGHFLGNFRVPFILTYDFVHVIQQGKTNNSEKFER
FRGYCERAYTILRRHGLLFLHLFALMRAAGLPELSCSKDIQYLKDSLALG
KTEEEALKHFRVKFNEALRESW
Ligand information
Ligand ID74Q
InChIInChI=1S/C22H19N9/c1-30-21(22(11-12-22)14-7-3-2-4-8-14)26-19(28-30)16-13-24-18(23)20(25-16)31-17-10-6-5-9-15(17)27-29-31/h2-10,13H,11-12H2,1H3,(H2,23,24)
InChIKeyXOIZTLBSABIUDC-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385Cn1nc(nc1C2(CC2)c3ccccc3)c4cnc(N)c(n4)n5nnc6ccccc56
OpenEye OEToolkits 2.0.5Cn1c(nc(n1)c2cnc(c(n2)n3c4ccccc4nn3)N)C5(CC5)c6ccccc6
FormulaC22 H19 N9
Name3-(benzotriazol-1-yl)-5-[1-methyl-5-(1-phenylcyclopropyl)-1,2,4-triazol-3-yl]pyrazin-2-amine
ChEMBLCHEMBL4061634
DrugBank
ZINC
PDB chain5t28 Chain A Residue 1101 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB5t28 Discovery of triazole aminopyrazines as a highly potent and selective series of PI3K delta inhibitors.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		M752 W760 I777 I825 V828 M900 I910
Binding residue
(residue number reindexed from 1)		M556 W564 I581 I629 V632 M704 I714
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=8.49,IC50=3.2nM
Enzymatic activity
Enzyme Commision number 2.7.1.137: phosphatidylinositol 3-kinase.
2.7.1.153: phosphatidylinositol-4,5-bisphosphate 3-kinase.
Gene Ontology
Molecular Function
GO:0016301 kinase activity
GO:0016303 1-phosphatidylinositol-3-kinase activity
Biological Process
GO:0043491 phosphatidylinositol 3-kinase/protein kinase B signal transduction
GO:0046854 phosphatidylinositol phosphate biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:5t28, PDBe:5t28, PDBj:5t28
PDBsum5t28
PubMed28017532
UniProtO35904|PK3CD_MOUSE Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoform (Gene Name=Pik3cd)

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