Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/3NSM
N-acetylglucosaminidase
crystal structureinsectbetaacetylhexosaminidase
https://www.ncbi.nlm.nih.gov/Structure/pdb/3SUR
Beta-hexosaminidase3AR,5R,6S,7R,7AR-5-HYDROXYMETHYL-2-METHYL-5,6,7,7A-TETRAHYDRO-3AH-PYRANO[3,2-D]THIAZOLE-6,7-DIOLSULFATE ION
crystal structurebetahexosaminidasepaenibacillussp