Multiple Assemblies exist for SMTL entry 1kpr
The human non-classical major histocompatibility complex molecule HLA-E; X-RAY DIFFRACTION 2.80 Å

	SMTL ID 1kpr.1 Ligands Peptide VMAPRTVLL; SULFATE ION Polypeptides HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, ALPHA CHAIN; BETA-2-MICROGLOBULIN Oligo-state hetero-1-1-mer
	SMTL ID 1kpr.2 Ligands Peptide VMAPRTVLL Polypeptides HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, ALPHA CHAIN; BETA-2-MICROGLOBULIN Oligo-state hetero-1-1-mer
	SMTL ID 1kpr.3 Ligands Peptide VMAPRTVLL; SULFATE ION Polypeptides HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, ALPHA CHAIN; BETA-2-MICROGLOBULIN Oligo-state hetero-4-4-mer
	SMTL ID 1kpr.4 Ligands Peptide VMAPRTVLL; SULFATE ION Polypeptides HLA CLASS I HISTOCOMPATIBILITY ANTIGEN, ALPHA CHAIN; BETA-2-MICROGLOBULIN Oligo-state hetero-2-2-mer