Multiple Assemblies exist for SMTL entry 1kn2
CATALYTIC ANTIBODY D2.3 COMPLEX; X-RAY DIFFRACTION 1.90 Å

	SMTL ID 1kn2.1 Ligands ZINC ION; PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE Polypeptides IG ANTIBODY D2.3 (LIGHT CHAIN); IG ANTIBODY D2.3 (HEAVY CHAIN) Oligo-state hetero-1-1-mer
	SMTL ID 1kn2.2 Ligands ZINC ION; PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE Polypeptides IG ANTIBODY D2.3 (LIGHT CHAIN); IG ANTIBODY D2.3 (HEAVY CHAIN) Oligo-state hetero-2-2-mer
	SMTL ID 1kn2.3 Ligands ZINC ION; PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE Polypeptides IG ANTIBODY D2.3 (LIGHT CHAIN); IG ANTIBODY D2.3 (HEAVY CHAIN) Oligo-state hetero-2-2-mer
	SMTL ID 1kn2.4 Ligands ZINC ION; PARA-NITROPHENYL PHOSPHONOBUTANOYL L-ALANINE Polypeptides IG ANTIBODY D2.3 (LIGHT CHAIN); IG ANTIBODY D2.3 (HEAVY CHAIN) Oligo-state hetero-1-1-mer