The deposited structure of PDB entry 6hvu coloured by chain, front view. This structure contains:

• 2 copies of Proteasome subunit alpha type-2;
• 2 copies of Proteasome subunit alpha type-3;
• 2 copies of Proteasome subunit alpha type-4;
• 2 copies of Proteasome subunit alpha type-5;
• 2 copies of Proteasome subunit alpha type-6;
• 2 copies of Probable proteasome subunit alpha type-7;
• 2 copies of Proteasome subunit alpha type-1;
• 2 copies of Proteasome subunit beta type-10;
• 2 copies of Proteasome subunit beta type-3;
• 2 copies of Proteasome subunit beta type-4;
• 2 copies of Proteasome subunit beta type-5;
• 2 copies of Proteasome subunit beta type-6;
• 2 copies of Proteasome subunit beta type-7;
• 2 copies of Proteasome subunit beta type-1;
• 8 copies of MAGNESIUM ION;
• 2 copies of CHLORIDE ION;
• 4 copies of ~{N}-[(2~{S})-1-[[(2~{S})-1-[[(2~{S})-1-[4-(aminomethyl)phenyl]-4-methylsulfonyl-butan-2-yl]amino]-3-cyclohexyl-1-oxidanylidene-propan-2-yl]amino]-4-methyl-1-oxidanylidene-pentan-2-yl]-2-methyl-1,3-thiazole-5-carboxamide;
• 1 copy of water.