Multiple Assemblies exist for SMTL entry 1you
Crystal structure of the catalytic domain of MMP-13 complexed with a potent pyrimidinetrione inhibitor; X-RAY DIFFRACTION 2.30 Å

SMTL ID
1you.1
Ligands
ZINC ION; CALCIUM ION; SULFATE ION; 5-(2-ETHOXYETHYL)-5-[4-(4-FLUOROPHENOXY)PHENOXY]PYRIMIDINE-2,4,6(1H,3H,5H)-TRIONE
Polypeptides
Collagenase 3
Oligo-state
monomer
SMTL ID
1you.2
Ligands
ZINC ION; CALCIUM ION; SULFATE ION; 5-(2-ETHOXYETHYL)-5-[4-(4-FLUOROPHENOXY)PHENOXY]PYRIMIDINE-2,4,6(1H,3H,5H)-TRIONE
Polypeptides
Collagenase 3
Oligo-state
monomer
SMTL ID
1you.3
Ligands
ZINC ION; CALCIUM ION; SULFATE ION; 5-(2-ETHOXYETHYL)-5-[4-(4-FLUOROPHENOXY)PHENOXY]PYRIMIDINE-2,4,6(1H,3H,5H)-TRIONE
Polypeptides
Collagenase 3
Oligo-state
homo-tetramer