Multiple Assemblies exist for SMTL entry 4xu3
Mycobacterium tuberculosis biotin ligase complexed with bisubstrate inhibitor 90 that has an acyclic ether in place of the ribose; X-RAY DIFFRACTION 2.24 Å

	SMTL ID 4xu3.1 Ligands N-({2-[(6-amino-9H-purin-9-yl)methoxy]ethyl}sulfamoyl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide; CHLORIDE ION Polypeptides Bifunctional ligase/repressor BirA Oligo-state monomer
	SMTL ID 4xu3.2 Ligands N-({2-[(6-amino-9H-purin-9-yl)methoxy]ethyl}sulfamoyl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide Polypeptides Bifunctional ligase/repressor BirA Oligo-state monomer