Multiple Assemblies exist for SMTL entry 1su3
X-ray structure of human proMMP-1: New insights into collagenase action; X-RAY DIFFRACTION 2.20 Å

	SMTL ID 1su3.1 Ligands CALCIUM ION; CHLORIDE ION; SODIUM ION; ZINC ION; SULFATE ION Polypeptides Interstitial collagenase Oligo-state monomer
	SMTL ID 1su3.2 Ligands CALCIUM ION; CHLORIDE ION; SODIUM ION; ZINC ION; SULFATE ION; 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID Polypeptides Interstitial collagenase Oligo-state monomer
	SMTL ID 1su3.3 Ligands CALCIUM ION; CHLORIDE ION; SODIUM ION; ZINC ION; SULFATE ION; 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID Polypeptides Interstitial collagenase Oligo-state homo-octamer