Multiple Assemblies exist for SMTL entry 1br1
SMOOTH MUSCLE MYOSIN MOTOR DOMAIN-ESSENTIAL LIGHT CHAIN COMPLEX WITH MGADP.ALF4 BOUND AT THE ACTIVE SITE; X-RAY DIFFRACTION 3.50 Å

	SMTL ID 1br1.1 Ligands MAGNESIUM ION; TETRAFLUOROALUMINATE ION; ADENOSINE-5'-DIPHOSPHATE Polypeptides MYOSIN; MYOSIN Oligo-state hetero-oligomer
	SMTL ID 1br1.2 Ligands MAGNESIUM ION; TETRAFLUOROALUMINATE ION; ADENOSINE-5'-DIPHOSPHATE Polypeptides MYOSIN; MYOSIN Oligo-state hetero-oligomer
	SMTL ID 1br1.3 Ligands MAGNESIUM ION; TETRAFLUOROALUMINATE ION; ADENOSINE-5'-DIPHOSPHATE Polypeptides MYOSIN; MYOSIN Oligo-state hetero-oligomer
	SMTL ID 1br1.4 Ligands MAGNESIUM ION; TETRAFLUOROALUMINATE ION; ADENOSINE-5'-DIPHOSPHATE Polypeptides MYOSIN; MYOSIN Oligo-state hetero-oligomer