Multiple Assemblies exist for SMTL entry 4z2i
Serratia marcescens Chitinase B complexed with macrolide inhibitor 30; X-RAY DIFFRACTION 2.00 Å

	SMTL ID 4z2i.1 Ligands (1R,2R,3R,6R,7S,8S,9R,10R,12R,13S,17S)-3-ethyl-2,10-dihydroxy-2,6,8,10,12,15,15,17-octamethyl-5-oxo-9-(prop-2-yn-1-yloxy)-4,14,16-trioxabicyclo[11.3.1]heptadec-7-yl {3-[N'-(methylcarbamoyl)carbamimidamido]propyl}carbamate; SODIUM ION; GLYCEROL; PHOSPHITE ION; METHANOL Polypeptides Chitinase B Oligo-state monomer
	SMTL ID 4z2i.2 Ligands (1R,2R,3R,6R,7S,8S,9R,10R,12R,13S,17S)-3-ethyl-2,10-dihydroxy-2,6,8,10,12,15,15,17-octamethyl-5-oxo-9-(prop-2-yn-1-yloxy)-4,14,16-trioxabicyclo[11.3.1]heptadec-7-yl {3-[N'-(methylcarbamoyl)carbamimidamido]propyl}carbamate; SODIUM ION; GLYCEROL; PHOSPHITE ION; METHANOL Polypeptides Chitinase B Oligo-state homo-dimer