![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_c755e061b75b7ad09cdd2675246d69ca.svg) | Onx-0914 (PR-957) | IC50 | 290.0 [1], 340.0 [2], 460.0 [3], 590.0 [4] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_e1978bb15619a7d385078bae66626103.svg) | (2S)-N-[(2S)-3-Cyclohexyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-(4-methoxyphenyl)-2-[[(2S)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide | IC50 | 300.0 [1], 370.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_b5ecb7c8f8901c900ab9f79c1a042451.svg) | N-[(2R)-1-[[(2S)-1-[[(2S)-3-Cyclohexyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]-3-methyl-1H-indene-2-carboxamide | IC50 | 7100.0 [1], 16000.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_0ebc662adc5f08f24829fe4b6aeef703.svg) | (2S)-N-[(2S)-3-Cyclohexyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-(4-methoxyphenyl)-2-[[(2R)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide | IC50 | 7300.0 [1], 10000.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_fec8ac77e4794a2bc98489aa1c7e83fc.svg) | (2S)-N-[(2S)-3-Cyclohexyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]-3-(1H-indol-3-yl)-2-[[(2R)-2-[(2-morpholin-4-ylacetyl)amino]propanoyl]amino]propanamide | IC50 | 6200.0 [1], 10000.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_4a748351e2073e44b6391d79df77eca7.svg) | N-[(2R)-1-[[(2S)-3-(1H-Indol-3-yl)-1-[[(E,2S)-4-methylsulfonyl-1-phenylbut-3-en-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]-3-methyl-1H-indene-2-carboxamide | IC50 | 100000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_1d7f7316709f36cfdc19f0ce276d8c72.svg) | N-[(2R)-1-[[(2S)-1-[[(2S)-3-Cyclohexyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]amino]-3-(4-methoxyphenyl)-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]-3-methyl-1H-indene-2-carboxamide | IC50 | 10000.0 [1], 100000.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_5504878872a46ae08c559108ed298d08.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-N-[(2S)-1-[[(2S)-3-cyclohexyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]-4,4-difluoropyrrolidine-2-carboxamide | IC50 | 95.0 [1], 130.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_af2608f50753c4c0ca64d39e63e8353a.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 45.0 [1], 140.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_cce5fc14571085a7c0305419177420c7.svg) | N-[(2R)-1-[[(2S)-3-(1H-Indol-3-yl)-1-[[(2S)-1-[(2R)-2-methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]-3-methyl-1H-indene-2-carboxamide | IC50 | 1840.0 [1], 3500.0 [2] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_357a2f436dd7519f2503e6ceb25405d5.svg) | N-[(2S)-1-[[(2S)-1-[(2S)-2-[[Tert-butyl(dimethyl)silyl]oxymethyl]oxiran-2-yl]-4-methyl-1-oxopentan-2-yl]amino]-1-oxopropan-2-yl]heptanamide | IC50 | 104.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_6e4d42637bf3b5b2a273c86d5d57d95d.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(benzylamino)-3-[(3S)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 10600.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_55531a3adcf0c51d66e594804f18b6a5.svg) | (2S)-2-Amino-N-[(2S)-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]-3-(4-phenylmethoxyphenyl)propanamide | IC50 | 21500.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_ef078939025ed9460b3c6bf2c122172c.svg) | N-[(2S)-3-Hydroxy-1-[[(2S)-1-[(2R)-2-methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxopropan-2-yl]-6-oxo-1H-pyridine-2-carboxamide | IC50 | 51.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_f599d3c9b0332c74f67fec4eeaa3f063.svg) | N-[(2S)-3-(4-Methoxyphenyl)-1-[[(2S)-1-[(2R)-2-methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxopropan-2-yl]-6-oxo-1H-pyridine-2-carboxamide | IC50 | 140.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_bdef31383c156ff9aa7538f843e5844c.svg) | N-[(2S)-1-[[(2S)-1-[(2R)-2-Methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxopropan-2-yl]-6-oxo-1H-pyridine-2-carboxamide | IC50 | 112.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_54a104602dc30070305430f4bd993959.svg) | (2S,4R)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-4-hydroxy-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 170.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_7e47a2c60869bbee7e821353b19945b5.svg) | (4R)-3-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]-1,3-thiazolidine-4-carboxamide | IC50 | 68.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_95ec54509556e97c0ff8a3801ed74d2e.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]azetidine-2-carboxamide | IC50 | 96.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_fc30c3fb0862f0ed83b336afeff57d75.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]piperidine-2-carboxamide | IC50 | 67.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_d40bf5c06a45ae9aeebf3d4f9306ca39.svg) | (2S,4S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-4-fluoro-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 220.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_992051c9bb729b35f318e8c780365205.svg) | (2S,4R)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-4-fluoro-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 22.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_ae8d4bba9030637d625b4ccf5f4728e4.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-4,4-difluoro-N-[(2S)-1-[[(2S)-4-methyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 34.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_641dd4249f60a4590cf2b0df9fbe4644.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-N-[(2S)-1-[[(2S)-1-[(2R)-2-methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 66.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_cfda3e7b79aea5dc8ab1a4463d43eec7.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-N-[(2S)-1-[[(2S)-3-cyclohexyl-1-[(2R)-2-methyloxiran-2-yl]-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 87.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_8535107d66222d90b394fc55f1eabf7c.svg) | (2S)-1-[(2S)-2-[(2-Azidoacetyl)amino]propanoyl]-4,4-difluoro-N-[(2S)-1-[[(2S)-1-[(2R)-2-methyloxiran-2-yl]-1-oxo-3-phenylpropan-2-yl]amino]-1-oxohexan-2-yl]pyrrolidine-2-carboxamide | IC50 | 42.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_549f5ac6bc89cc28a6df0e668436a202.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(2-adamantylmethylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 5700.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_877d8cd5f4c8f5c4e5f1887d26debcfa.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(2-cyclohexylethylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 3500.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_12724f48dc70da317c92db81fb9b8d8b.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(cyclohexylmethylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 4800.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_c956fd32cba0741d4b40a5940284ce8d.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(benzhydrylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 4000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_e43e140e93cf3e9dbc65ea83c36550cc.svg) | Tert-butyl N-[(2S)-1-[[(2S)-4-amino-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 16100.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_98ef69dba5bbca7c498567d14d6390c1.svg) | (2S)-N-Benzyl-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-2-[[(2S)-2-[[2-(3-phenoxyphenyl)acetyl]amino]propanoyl]amino]propanamide | IC50 | 14000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_c21aff192f431f92b73e422a567865fc.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxo-1-[(4-phenylphenyl)methylamino]propan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 13000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_1b83fad4db5c79fe451a60288e39b386.svg) | Tert-butyl N-[(2S)-1-[[2-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 12600.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_fc1f7fad9ed081b637178eb8275054de.svg) | Benzyl N-[(2S)-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]carbamate | IC50 | 45000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_515af33e49cd702cd7e6af87f2b0624f.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(benzylamino)-3-[(3S)-3-hydroxy-1-methyl-2-oxoindol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 8900.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_4af47d6f5ff70f7a04a2266e868efc83.svg) | (2S)-6-Amino-2-[[(2S)-2-amino-3-(4-phenylmethoxyphenyl)propanoyl]amino]-N-[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]hexanamide | IC50 | 4300.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_2f13225a1dd11dddf454df630de20543.svg) | Tert-butyl N-[(2S)-1-[[(2R)-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 12500.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_087c5dbd3a87fbabbf60526e11ba8181.svg) | N-[(2R)-1-[[(2S)-1-(Benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]-4-phenylmethoxybenzamide | IC50 | 23800.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_387dae5a97abd13c226afa798a14bdba.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxo-1-(2-phenylethylamino)propan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 7310.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_23ba3588191145701bf91f7e8aafc0e1.svg) | N-[(2S)-1-[[(2S)-1-(Benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]-4-phenylmethoxybenzamide | IC50 | 52000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_4b5511f0a82bf3b8883b17702a95b063.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(2,2-dimethylpropylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 21000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_402154c862693f2827aea6e6fb1e717c.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-1-methyl-2-oxoindol-3-yl]-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 10320.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_84a6914ecf30a0cccbd20c9cd769980b.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-(naphthalen-1-ylmethylamino)-1-oxopropan-2-yl]amino]-1-oxopropan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 2770.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_92dfec10ad058c00dabf2c8660227ceb.svg) | Tert-butyl N-[(2S)-1-[[(2S)-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-6-[(2-methylpropan-2-yl)oxycarbonylamino]-1-oxohexan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 59000.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_9a868ec2103873dd92dc8f579e203786.svg) | Benzyl N-[(2R)-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]carbamate | IC50 | 24600.0 [1] |
![](https://images.aatbio.com/dataset/ic50/proteasome-subunit-beta-type-9_42daed68df98536fd787d7bd65ca2b23.svg) | Tert-butyl N-[(2S)-1-[[(2R)-1-[[(2S)-1-(benzylamino)-3-[(3R)-3-hydroxy-2-oxo-1H-indol-3-yl]-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxo-3-(4-phenylmethoxyphenyl)propan-2-yl]carbamate | IC50 | 8800.0 [1] |