Multiple Assemblies exist for SMTL entry 4lnd
Crystal structure of human apurinic/apyrimidinic endonuclease 1 with essential Mg2+ cofactor; X-RAY DIFFRACTION 1.92 Å

	SMTL ID 4lnd.1 Ligands MAGNESIUM ION Polypeptides DNA-(apurinic or apyrimidinic site) lyase Oligo-state monomer
	SMTL ID 4lnd.2 Ligands MAGNESIUM ION Polypeptides DNA-(apurinic or apyrimidinic site) lyase Oligo-state monomer
	SMTL ID 4lnd.3 Ligands MAGNESIUM ION Polypeptides DNA-(apurinic or apyrimidinic site) lyase Oligo-state monomer