SMTL ID : 8v8v.1 (1 other biounit)

PI3Ka H1047R co-crystal structure with inhibitor in cryptic pocket near H1047R (compound 7).

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.61 Å

Oligo State

hetero-1-1-mer

Ligands

1 x YQ2: 2-[[(1~{R})-1-(7-methyl-4-oxidanylidene-2-piperidin-1-yl-3~{H}-pyrido[1,2-a]pyrimidin-9-yl)ethyl]amino]benzoic acid(Non-covalent)

YQ2.1: 14 residues within 4Å: Chain A: C.906, C.910, T.913, F.959, F.965, I.969, F.985, Q.986, C.989, Y.990, F.1044, M.1048, A.1051, R.1052 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:F.965, A:I.969, A:F.985, A:F.985, A:F.1044, A:M.1048, A:A.1051 Hydrogen bonds: A:Y.990, A:M.1048, A:N.1049 Salt bridges: A:R.1052 pi-Stacking: A:F.959

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.2: 13 residues within 4Å: Chain A: W.785, I.805, K.807, Y.841, I.853, E.854, V.855, V.856, S.859, Q.864, M.927, I.937, D.938 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:I.805, A:K.807, A:Y.841, A:Y.841, A:I.853, A:I.853, A:V.856, A:I.937 Hydrogen bonds: A:Y.841, A:V.856, A:V.856, A:S.859, A:Q.864, A:Q.864

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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