SMTL ID : 9gl8.1

EGFR Exon20 insertion mutant NPG bound with STX-721

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.63 Å

Oligo State

monomer

Ligands

2 x NA: SODIUM ION(Non-functional Binders)

NA.1: 3 residues within 4Å: Chain A: F.30, L.54, G.167 2 PLIP interactions: 2 interactions with chain A Water bridges: A:E.69, A:E.69 NA.2: 2 residues within 4Å: Chain A: S.267, K.270 No protein-ligand interaction detected (PLIP)

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 6 residues within 4Å: Chain A: T.250, I.251, D.252, V.253, R.287, Y.288 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.252, A:D.252, A:R.287, A:R.287

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.4: 3 residues within 4Å: Chain A: M.255, R.258, M.262 2 PLIP interactions: 2 interactions with chain A Water bridges: A:R.258, A:R.258

1 x 01: (2R,3S)-3-[(3-chloranyl-2-methoxy-phenyl)amino]-2-[3-[2-[(2R)-1-[(E)-4-(dimethylamino)but-2-enoyl]-2-methyl-pyrrolidin-2-yl]ethynyl]pyridin-4-yl]-1,2,3,5,6,7-hexahydropyrrolo[3,2-c]pyridin-4-one

01.5: 26 residues within 4Å: Chain A: L.25, G.26, F.30, V.33, A.50, I.51, K.52, E.69, M.73, C.85, L.87, L.98, I.99, T.100, Q.101, L.102, M.103, G.106, C.107, L.109, D.110, R.151, N.152, L.154, T.164, D.165 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:L.25, A:F.30, A:F.30, A:V.33, A:K.52, A:T.100, A:L.154, A:T.164 Hydrogen bonds: A:K.52, A:M.103, A:T.164, A:T.164, A:D.165, A:D.165, A:D.165 Salt bridges: A:D.110

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pagliarini, R.A. et al., STX-721, a Covalent EGFR/HER2 Exon 20 Inhibitor, Utilizes Exon 20-Mutant Dynamic Protein States and Achieves Unique Mutant Selectivity Across Human Cancer Models. Clin.Cancer Res. (2025)

Release Date

2025-05-14

Peptides

Epidermal growth factor receptor: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Epidermal growth factor receptor

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