SMTL ID : 9b4s.1

Crystal structure of the RRAS2-p110alpha complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

hetero-1-1-mer

Ligands

1 x 5H5: (2S)-2-({2-[1-(propan-2-yl)-1H-1,2,4-triazol-5-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepin-9-yl}oxy)propanamide(Non-covalent)

5H5.1: 12 residues within 4Å: Chain A: I.697, D.707, Y.733, I.745, E.746, V.747, V.748, S.751, Q.756, M.819, I.829, D.830 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:I.697, A:V.747 Hydrogen bonds: A:V.748, A:S.751, A:Q.756, A:D.830

1 x GNP: PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER(Non-covalent)

GNP.2: 27 residues within 4Å: Chain B: G.23, G.24, G.25, V.26, G.27, K.28, S.29, A.30, F.40, V.41, T.42, D.43, Y.44, D.45, P.46, T.47, D.69, G.72, Q.73, N.128, K.129, D.131, L.132, S.158, A.159, K.160 Ligands: MG.3 22 PLIP interactions: 21 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:G.25, B:V.26, B:G.27, B:K.28, B:K.28, B:S.29, B:S.29, B:S.29, B:A.30, B:V.41, B:T.47, B:T.47, B:G.72, B:N.128, B:K.129, B:K.129, B:A.159, B:K.160, A:R.127 Salt bridges: B:D.131 pi-Stacking: B:F.40, B:F.40

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 4 residues within 4Å: Chain B: S.29, T.47, D.69 Ligands: GNP.2 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:S.29, B:T.47

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Czyzyk, D. et al., Structural insights into isoform-specific RAS-PI3K alpha interactions and the role of RAS in PI3K alpha activation. Nat Commun (2025)

Release Date

2025-01-22

Peptides

Phosphatidylinositol 4,5-bisphosphate 3-kinase catalytic subunit alpha isoform: A
Ras-related protein R-Ras2: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

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

Ras-related protein R-Ras2

Related Entries With Identical Sequence