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5IS5

Discovery and Pharmacological Characterization of Novel Quinazoline-based PI3K delta-selective Inhibitors

Functional Information from GO Data
ChainGOidnamespacecontents
A0016301molecular_functionkinase activity
A0016303molecular_function1-phosphatidylinositol-3-kinase activity
A0043491biological_processphosphatidylinositol 3-kinase/protein kinase B signal transduction
A0046854biological_processphosphatidylinositol phosphate biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues14
Detailsbinding site for residue 6CY A 1101
ChainResidue
AMET752
AMET900
AILE910
AASP911
AHOH1214
AHOH1273
APRO758
ATRP760
ALYS779
ATYR813
AILE825
AGLU826
AVAL828
ASER831

Functional Information from PROSITE/UniProt
site_idPS00915
Number of Residues15
DetailsPI3_4_KINASE_1 Phosphatidylinositol 3- and 4-kinases signature 1. FKng.DDLRQDmltlQ
ChainResidueDetails
APHE778-GLN792

site_idPS00916
Number of Residues21
DetailsPI3_4_KINASE_2 Phosphatidylinositol 3- and 4-kinases signature 2. ScAgycVatYVLgIgDRHsdN
ChainResidueDetails
ASER878-ASN898

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsRegion: {"description":"G-loop","evidences":[{"source":"PROSITE-ProRule","id":"PRU00269","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsRegion: {"description":"Catalytic loop","evidences":[{"source":"PROSITE-ProRule","id":"PRU00269","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine","evidences":[{"source":"UniProtKB","id":"O00329","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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