SMTL ID : 8v8u.1 (1 other biounit)

PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 12).

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.93 Å

Oligo State

hetero-1-1-mer

Ligands

1 x 1LT: (2S)-N~1~-{4-methyl-5-[2-(1,1,1-trifluoro-2-methylpropan-2-yl)pyridin-4-yl]-1,3-thiazol-2-yl}pyrrolidine-1,2-dicarboxamide(Non-covalent)

1LT.1: 15 residues within 4Å: Chain A: S.778, P.782, W.784, I.804, K.806, Y.840, I.852, E.853, V.854, V.855, S.858, H.859, Q.863, M.926, I.936 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:Y.840, A:Y.840, A:I.852, A:V.855, A:I.936, A:I.936 Hydrogen bonds: A:V.855, A:V.855, A:Q.863, A:Q.863 Halogen bonds: A:S.778

1 x YQB: (3S)-9-[(1R)-1-(2-carboxyanilino)ethyl]-3-cyano-7-methyl-4-oxo-2-(piperidin-1-yl)-3,4-dihydropyrido[1,2-a]pyrimidin-5-ium(Non-covalent)

YQB.2: 18 residues within 4Å: Chain A: C.905, C.909, T.912, F.913, R.920, H.935, F.958, T.961, F.964, I.968, F.981, F.984, Q.985, C.988, F.1043, M.1047, A.1050, R.1051 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:F.913, A:T.961, A:I.968, A:F.984, A:F.984, A:F.1043, A:A.1050 Hydrogen bonds: A:T.912, A:Q.985, A:R.1051 Salt bridges: A:R.1051 pi-Stacking: A:F.958

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
A

B
B

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

Phosphatidylinositol 3-kinase regulatory subunit alpha

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