Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1GQI 1GQI: Structure of Pseudomonas cellulosa alpha-D-glucuronidase ALPHA-GLUCURONIDASE1,2-ETHANEDIOLCOBALT (II) IONMAGNESIUM ION pseudomonas cellulosastructurealphaglucuronidase