9GI9
 
 | | Wildtype EGFR bound with (R)-3-((3-chloro-2-methoxyphenyl)amino)-2-(3-((tetrahydrofuran-2-yl)methoxy)pyridin-4-yl)-1,5,6,7-tetrahydro-4H-pyrrolo[3,2-c]pyridin-4-one | | Descriptor: | 3-[(3-chloranyl-2-methoxy-phenyl)amino]-2-[3-[[(2~{R})-oxolan-2-yl]methoxy]pyridin-4-yl]-1,5,6,7-tetrahydropyrrolo[3,2-c]pyridin-4-one, Epidermal growth factor receptor | | Authors: | Pagliarini, R.A, Henderson, J.A, Borrelli, D.R, Brooijmans, N, Hilbert, B.J, Huff, M.R, Ito, T, Kryukov, G.V, Ladd, B, Martin, B.R, Milgram, B.C, Motiwala, H, OHearn, E, Wang, W, Hata, A, Bellier, J, Kuzmic, P, Guzman-Perez, A, Jackson, E.L, Stuart, D.D. | | Deposit date: | 2024-08-18 | | Release date: | 2025-05-14 | | Last modified: | 2025-06-11 | | Method: | X-RAY DIFFRACTION (3.12 Å) | | Cite: | 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
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9GL9
 | | Wild-type EGFR bound with STX-721 | | Descriptor: | (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, CHLORIDE ION, Epidermal growth factor receptor | | Authors: | Hilbert, B.J, Brooijmans, N, Milgram, B.C, Pagliarini, R.A. | | Deposit date: | 2024-08-27 | | Release date: | 2025-05-14 | | Last modified: | 2025-06-11 | | Method: | X-RAY DIFFRACTION (2.147 Å) | | Cite: | 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
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9GL7
 | | EGFR Exon20 insertion mutant NPG bound with (S)-3-((3-chloro-2-methoxyphenyl)amino)-2-(3-((tetrahydrofuran-2-yl)methoxy)pyridin-4-yl)-1,5,6,7-tetrahydro-4H-pyrrolo[3,2-c]pyridin-4-one | | Descriptor: | 3-[(3-chloranyl-2-methoxy-phenyl)amino]-2-[3-[[(2S)-oxolan-2-yl]methoxy]pyridin-4-yl]-1,5,6,7-tetrahydropyrrolo[3,2-c]pyridin-4-one, Epidermal growth factor receptor | | Authors: | Hilbert, B.J, Brooijmans, N, Milgram, B.C, Pagliarini, R.A. | | Deposit date: | 2024-08-27 | | Release date: | 2025-05-14 | | Last modified: | 2025-06-11 | | Method: | X-RAY DIFFRACTION (1.878 Å) | | Cite: | 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
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9GL8
 | | EGFR Exon20 insertion mutant NPG bound with STX-721 | | Descriptor: | (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, 1,2-ETHANEDIOL, Epidermal growth factor receptor, ... | | Authors: | Hilbert, B.J, Brooijmans, N, Milgram, B.C, Pagliarini, R.A. | | Deposit date: | 2024-08-27 | | Release date: | 2025-05-14 | | Last modified: | 2025-06-11 | | Method: | X-RAY DIFFRACTION (1.632 Å) | | Cite: | 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
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9DF4
 | | EGFR Exon20 insertion mutant SVD bound with STX-721 | | Descriptor: | (2P)-3-(3-chloro-2-methoxyanilino)-2-[3-({(2R)-1-[(2E)-4-(dimethylamino)but-2-enoyl]-2-methylpyrrolidin-2-yl}ethynyl)pyridin-4-yl]-1,5,6,7-tetrahydro-4H-pyrrolo[3,2-c]pyridin-4-one, 1,2-ETHANEDIOL, CHLORIDE ION, ... | | Authors: | Hilbert, B.J, Brooijmans, N, Pagliarini, R.A, Milgram, B.C. | | Deposit date: | 2024-08-29 | | Release date: | 2025-05-14 | | Last modified: | 2025-06-11 | | Method: | X-RAY DIFFRACTION (1.78 Å) | | Cite: | 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
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9DF3
 | | EGFR Exon20 insertion mutant SVD bound with (S)-3-((3-chloro-2-methoxyphenyl)amino)-2-(3-((tetrahydrofuran-2-yl)methoxy)pyridin-4-yl)-1,5,6,7-tetrahydro-4H-pyrrolo[3,2-c]pyridin-4-one | | Descriptor: | 1,2-ETHANEDIOL, 3-[(3-chloranyl-2-methoxy-phenyl)amino]-2-[3-[[(2S)-oxolan-2-yl]methoxy]pyridin-4-yl]-1,5,6,7-tetrahydropyrrolo[3,2-c]pyridin-4-one, Epidermal growth factor receptor, ... | | Authors: | Hilbert, B.J, Brooijmans, N, Pagliarini, R.A, Milgram, B.C. | | Deposit date: | 2024-08-29 | | Release date: | 2025-05-14 | | Last modified: | 2025-06-11 | | Method: | X-RAY DIFFRACTION (1.68 Å) | | Cite: | 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
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9FQS
 | | EGFR Exon20 insertion mutant NPG bound with Compound 39 | | Descriptor: | 1,2-ETHANEDIOL, 3-[(3-fluoranyl-2-methoxy-phenyl)amino]-2-[3-[2-[(2R)-1-propanoylpyrrolidin-2-yl]ethynyl]pyridin-4-yl]-1,5,6,7-tetrahydropyrrolo[3,2-c]pyridin-4-one, Epidermal growth factor receptor | | Authors: | Hilbert, B.J, Brooijmans, N, Milgram, B.C, Pagliarini, R.A. | | Deposit date: | 2024-06-17 | | Release date: | 2025-01-29 | | Last modified: | 2025-02-26 | | Method: | X-RAY DIFFRACTION (1.783 Å) | | Cite: | Discovery of STX-721, a Covalent, Potent, and Highly Mutant-Selective EGFR/HER2 Exon20 Insertion Inhibitor for the Treatment of Non-Small Cell Lung Cancer.
J.Med.Chem., 68, 2025
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9FQP
 | | EGFR Exon20 insertion mutant NPG bound with Compound 23 | | Descriptor: | (7~{S})-3-[(3-chloranyl-2-methoxy-phenyl)amino]-2-(3-fluoranylpyridin-4-yl)-7-(2-methoxyethyl)-1,5,6,7-tetrahydropyrrolo[3,2-c]pyridin-4-one, Epidermal growth factor receptor | | Authors: | Hilbert, B.J, Brooijmans, N, Milgram, B.C, Pagliarini, R.A. | | Deposit date: | 2024-06-17 | | Release date: | 2025-01-29 | | Last modified: | 2025-02-26 | | Method: | X-RAY DIFFRACTION (2.495 Å) | | Cite: | Discovery of STX-721, a Covalent, Potent, and Highly Mutant-Selective EGFR/HER2 Exon20 Insertion Inhibitor for the Treatment of Non-Small Cell Lung Cancer.
J.Med.Chem., 68, 2025
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