Multiple Assemblies exist for SMTL entry 8but
Structure of DDB1 bound to DS61-engaged CDK12-cyclin K; X-RAY DIFFRACTION 3.25 Å

	SMTL ID 8but.1 Ligands SULFATE ION; 2-[[6-[[4-(2-hydroxyethyloxy)phenyl]methylamino]-9-propan-2-yl-purin-2-yl]amino]butan-1-ol Polypeptides DNA damage-binding protein 1; Cyclin-dependent kinase 12; Cyclin-K Oligo-state hetero-1-1-1-mer
	SMTL ID 8but.2 Ligands SULFATE ION; 2-[[6-[[4-(2-hydroxyethyloxy)phenyl]methylamino]-9-propan-2-yl-purin-2-yl]amino]butan-1-ol Polypeptides DNA damage-binding protein 1; Cyclin-dependent kinase 12; Cyclin-K Oligo-state hetero-1-1-1-mer
	SMTL ID 8but.3 Ligands SULFATE ION; 2-[[6-[[4-(2-hydroxyethyloxy)phenyl]methylamino]-9-propan-2-yl-purin-2-yl]amino]butan-1-ol Polypeptides DNA damage-binding protein 1; Cyclin-dependent kinase 12; Cyclin-K Oligo-state hetero-1-1-1-mer