SMTL ID : 8w9b.1

CryoEM structure of human PI3K-alpha (P85/P110-H1047R) with QR-8557 binding at an allosteric site

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-1-1-mer

Ligands

1 x UJ3: 1-[(1S)-1-(5-fluoranyl-3-methyl-1-benzofuran-2-yl)-2-methyl-propyl]-3-(1-oxidanylidene-2,3-dihydroisoindol-5-yl)urea(Non-covalent)

UJ3.1: 18 residues within 4Å: Chain A: R.808, Q.809, L.812, T.813, I.816, I.910, L.911, G.912, I.913, F.937, L.938, H.940, K.941, E.950, R.951, F.1002, Y.1021, I.1022 20 PLIP interactions: 20 interactions with chain A Hydrophobic interactions: A:L.812, A:L.938, A:L.938, A:K.941, A:K.941, A:K.941, A:F.1002, A:F.1002, A:Y.1021, A:I.1022, A:I.1022 Hydrogen bonds: A:L.911, A:L.911, A:K.941, A:E.950 pi-Stacking: A:F.937, A:Y.1021, A:Y.1021 pi-Cation interactions: A:K.941 Halogen bonds: A:R.808

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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