Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1USW 1USW: Crystal Structure of Ferulic Acid Esterase from Aspergillus niger FERULOYL ESTERASE A2-acetamido-2-deoxy-beta-D-glucopyranoseSULFATE ION crystal structure ferulic acid esterase aspergillus niger