Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/6SHM 6SHM: An inactive (D136A and D137A) variant of alpha-1,6-mannanase, GH76A of Salegentibacter sp.... Mutant alpha-1,6-mannanase GH76A2-(N-MORPHOLINO)-ETHANESULFONIC ACIDGLYCEROLalpha-D-mannopyranose