Multiple Assemblies exist for SMTL entry 3mtn
Usp21 in complex with a ubiquitin-based, USP21-specific inhibitor; X-RAY DIFFRACTION 2.70 Å

	SMTL ID 3mtn.1 Ligands ZINC ION; CHLORIDE ION; GLYCEROL Polypeptides Ubiquitin carboxyl-terminal hydrolase 21; UBIQUITIN VARIANT UBV.21.4 Oligo-state hetero-1-1-mer
	SMTL ID 3mtn.2 Ligands ZINC ION; CHLORIDE ION; GLYCEROL Polypeptides Ubiquitin carboxyl-terminal hydrolase 21; UBIQUITIN VARIANT UBV.21.4 Oligo-state hetero-1-1-mer