Multiple Assemblies exist for SMTL entry 2ow2
MMP-9 active site mutant with difluoro butanoic acid inhibitor; X-RAY DIFFRACTION 2.90 Å

	SMTL ID 2ow2.1 Ligands ZINC ION; CALCIUM ION; CHLORIDE ION; (3R)-4,4-DIFLUORO-3-[(4-METHOXYPHENYL)SULFONYL]BUTANOIC ACID Polypeptides Matrix metalloproteinase-9 (MMP-9) (92 kDa type IV collagenase) (92 kDa gelatinase) (Gelatinase B) (GELB) Oligo-state monomer
	SMTL ID 2ow2.2 Ligands ZINC ION; CALCIUM ION; (3R)-4,4-DIFLUORO-3-[(4-METHOXYPHENYL)SULFONYL]BUTANOIC ACID Polypeptides Matrix metalloproteinase-9 (MMP-9) (92 kDa type IV collagenase) (92 kDa gelatinase) (Gelatinase B) (GELB) Oligo-state monomer
	SMTL ID 2ow2.3 Ligands ZINC ION; CALCIUM ION; CHLORIDE ION; (3R)-4,4-DIFLUORO-3-[(4-METHOXYPHENYL)SULFONYL]BUTANOIC ACID Polypeptides Matrix metalloproteinase-9 (MMP-9) (92 kDa type IV collagenase) (92 kDa gelatinase) (Gelatinase B) (GELB) Oligo-state homo-tetramer