Multiple Assemblies exist for SMTL entry 1y8q
SUMO E1 ACTIVATING ENZYME SAE1-SAE2-MG-ATP COMPLEX; X-RAY DIFFRACTION 2.25 Å

	SMTL ID 1y8q.1 Ligands MAGNESIUM ION; ZINC ION; ADENOSINE-5'-TRIPHOSPHATE Polypeptides Ubiquitin-like 1 activating enzyme E1A; Ubiquitin-like 2 activating enzyme E1B Oligo-state hetero-1-1-mer
	SMTL ID 1y8q.2 Ligands MAGNESIUM ION; ZINC ION; ADENOSINE-5'-TRIPHOSPHATE Polypeptides Ubiquitin-like 1 activating enzyme E1A; Ubiquitin-like 2 activating enzyme E1B Oligo-state hetero-1-1-mer