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6PYU

Human PI3Kdelta in complex with Compound 4-2 ((3S)-1'-(cyclopropanecarbonyl)-5-(quinoxalin-6-yl)spiro[indole-3,2'-pyrrolidin]-2(1H)-one)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit delta isoformpolymer1018116600.61UniProt (O00329)
Pfam (PF02192)
Pfam (PF00794)
Pfam (PF00792)
Pfam (PF00613)
Pfam (PF00454)
Homo sapiens (Human)PtdIns-3-kinase subunit delta,Phosphatidylinositol 4,5-bisphosphate 3-kinase 110 kDa catalytic subunit delta,p110delta
2B
(B)
Phosphatidylinositol 3-kinase regulatory subunit alphapolymer16920879.61UniProt (P27986)
Pfam (PF16454)
Homo sapiens (Human)PtdIns-3-kinase regulatory subunit alpha,Phosphatidylinositol 3-kinase 85 kDa regulatory subunit alpha,PtdIns-3-kinase regulatory subunit p85-alpha
3C
(A)
(3S)-1'-(cyclopropanecarbonyl)-5-(quinoxalin-6-yl)spiro[indole-3,2'-pyrrolidin]-2(1H)-onenon-polymer384.41Chemie (P5V)
4D, E
(A, B)
waterwater18.012Chemie (HOH)
Sequence modifications
B: 431 - 599 (UniProt: P27986)
PDBExternal DatabaseDetails
Asp 469Glu 169conflict
Thr 519Lys 219conflict
Glu 529Asp 229conflict
Val 539Ile 239conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight137480.2
Non-Polymers*Number of molecules1
Total formula weight384.4
All*Total formula weight137864.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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