Multiple Assemblies exist for SMTL entry 4hb6
Crystal structure of PpcA K22E mutant; X-RAY DIFFRACTION 1.90 Å

	SMTL ID 4hb6.1 Ligands HEME C; (3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID; SULFATE ION Polypeptides PpcA Oligo-state monomer
	SMTL ID 4hb6.2 Ligands HEME C; (3ALPHA,5BETA,12ALPHA)-3,12-DIHYDROXYCHOLAN-24-OIC ACID; SULFATE ION Polypeptides PpcA Oligo-state homo-dimer