>d1qbb_4 d.92.2.1 (201-337) Bacterial chitobiase, Domain 2 {Serratia marcescens} snadlqtlpagalrgkivptpmqvkvhaqdadlrkgvaldlstlvkpaadvvsqrfallg vpvqtngypiktdiqpgkfkgamavsgayelkigkkeaqvigfdqagvfyglqsilslvp sdgsgkiatldasdapr