SMTL ID : 8v8h.2 (1 other biounit)

PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 4).

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.58 Å

Oligo State

hetero-1-1-mer

Ligands

1 x YO4: 2-({(1R)-1-[2-(4,4-dimethylpiperidin-1-yl)-3,6-dimethyl-4-oxo-4H-1-benzopyran-8-yl]ethyl}amino)benzoic acid(Non-covalent)

YO4.1: 18 residues within 4Å: Chain A: C.905, C.909, T.912, F.913, I.917, H.935, F.958, T.961, F.964, I.968, F.981, F.984, Q.985, C.988, M.1047, N.1048, A.1050, R.1051 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:T.912, A:F.913, A:F.913, A:F.958, A:F.958, A:F.964, A:I.968, A:F.981, A:F.984, A:F.984, A:Q.985, A:M.1047, A:A.1050 Salt bridges: A:R.1051 pi-Stacking: A:F.958

1 x YNZ: (2S)-N~1~-[(4P)-2-tert-butyl-4'-methyl[4,5'-bi-1,3-thiazol]-2'-yl]pyrrolidine-1,2-dicarboxamide(Non-covalent)

YNZ.2: 15 residues within 4Å: Chain A: M.776, W.784, K.806, Y.840, I.852, E.853, V.854, V.855, N.857, S.858, H.859, Q.863, M.926, I.936, D.937 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.840, A:I.852, A:V.855 Hydrogen bonds: A:V.855, A:V.855, A:S.858, A:S.858, A:Q.863

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ketcham, J.M. et al., Discovery of Pyridopyrimidinones that Selectively Inhibit the H1047R PI3K alpha Mutant Protein. J.Med.Chem. (2024)

Release Date

2024-03-20

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
C

B
D

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

Phosphatidylinositol 3-kinase regulatory subunit alpha

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