SMTL ID : 8w9a.1

CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-7909 binding at an allosteric site

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-mer

Ligands

1 x UEX: 6-chloranyl-3-[[(1R)-1-[2-(1,3-dihydropyrrolo[3,4-c]pyridin-2-yl)-3,6-dimethyl-4-oxidanylidene-quinazolin-8-yl]ethyl]amino]pyridine-2-carboxylic acid(Non-covalent)

UEX.1: 22 residues within 4Å: Chain A: C.901, Y.904, C.905, T.908, F.909, I.913, R.916, H.931, F.954, T.957, F.960, L.961, I.964, F.977, F.980, Q.981, C.984, Y.985, Q.1042, M.1043, A.1046, R.1047 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:F.954, A:F.960, A:I.964, A:F.980, A:F.980, A:M.1043 Hydrogen bonds: A:Q.981 Salt bridges: A:R.1047 pi-Stacking: A:F.954 Halogen bonds: A:Q.981

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Huang, X. et al., Cryo-EM structures reveal two allosteric inhibition modes of PI3K alpha H1047R involving a re-shaping of the activation loop. Structure (2024)

Release Date

2024-04-17

Peptides

Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform: A
Phosphatidylinositol 3-kinase regulatory subunit alpha: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform

Phosphatidylinositol 3-kinase regulatory subunit alpha

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