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2V1Y

Structure of a phosphoinositide 3-kinase alpha adaptor-binding domain (ABD) in a complex with the iSH2 domain from p85 alpha

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
PHOSPHATIDYLINOSITOL-4,5-BISPHOSPHATE 3-KINASE CATALYTIC SUBUNIT ALPHA ISOFORMpolymer10812821.51UniProt (P32871)
Pfam (PF02192)
BOS TAURUS (BOVINE)PHOSPHOINOSITIDE 3-KINASE P110 ALPHA, PI3-KINASE P110 SUBUNIT ALPHA, PTDINS-3-KINASE P110, PI3K
2B
(B)
PHOSPHATIDYLINOSITOL 3-KINASE REGULATORY SUBUNIT ALPHApolymer17021223.41UniProt (P27986)
Pfam (PF16454)
HOMO SAPIENS (HUMAN)PHOSPHOINOSITIDE 3-KINASE P85 ALPHA, PI3-KINASE P85-SUBUNIT ALPHA, PTDINS-3-KINASE P85-ALPHA, PI3K
3C, D
(A, B)
waterwater18.017Chemie (HOH)
Sequence modifications
B: 431 - 600 (UniProt: P27986)
PDBExternal DatabaseDetails
Lys 451Glu 451conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight34044.9
All*Total formula weight34044.9
*Water molecules are not included.

237735

PDB entries from 2025-06-18

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