Multiple Assemblies exist for SMTL entry 4r67
Human constitutive 20S proteasome in complex with carfilzomib; X-RAY DIFFRACTION 2.89 Å

SMTL ID 4r67.1 Ligands N-{(2S)-2-[(morpholin-4-ylacetyl)amino]-4-phenylbutanoyl}-L-leucyl-N-[(2R,3S,4S)-1,3-dihydroxy-2,6-dimethylheptan-4-yl]-L-phenylalaninamide Polypeptides Proteasome subunit alpha type-6; Proteasome subunit alpha type-2; Proteasome subunit alpha type-4; Proteasome subunit alpha type-7; Proteasome subunit alpha type-5; Proteasome subunit alpha type-1; Proteasome subunit alpha type-3; Proteasome subunit beta type-6; Proteasome subunit beta type-7; Proteasome subunit beta type-3; Proteasome subunit beta type-2; Proteasome subunit beta type-5; Proteasome subunit beta type-1; Proteasome subunit beta type-4 Oligo-state hetero-2-2-2-2-2-2-2-2-2-2-2-2-2-2-mer

SMTL ID 4r67.2 Ligands N-{(2S)-2-[(morpholin-4-ylacetyl)amino]-4-phenylbutanoyl}-L-leucyl-N-[(2R,3S,4S)-1,3-dihydroxy-2,6-dimethylheptan-4-yl]-L-phenylalaninamide Polypeptides Proteasome subunit alpha type-6; Proteasome subunit alpha type-2; Proteasome subunit alpha type-4; Proteasome subunit alpha type-7; Proteasome subunit alpha type-5; Proteasome subunit alpha type-1; Proteasome subunit alpha type-3; Proteasome subunit beta type-6; Proteasome subunit beta type-7; Proteasome subunit beta type-3; Proteasome subunit beta type-2; Proteasome subunit beta type-5; Proteasome subunit beta type-1; Proteasome subunit beta type-4 Oligo-state hetero-2-2-2-2-2-2-2-2-2-2-2-2-2-2-mer