https://www.ncbi.nlm.nih.gov/Structure/pdb/4ZZU
4ZZU: Geotrichum candidum Cel7A structure complex with thio-linked cellotetraose at 1.4A
CELLOBIOHYDROLASE I2-acetamido-2-deoxy-beta-D-glucopyranose4-thio-beta-D-glucopyranoseGLYCEROLbeta-D-glucopyranose