Structural comparison of ScVip1 PD 848-918 (ribbon diagram, in blue) with the E. coli phytase AppA (https://doi.org/10.2210/pdb7z2s/pdb 60, yellow to red), human prostatic acid phosphatase (https://doi.org/10.2210/pdb1nd6/pdb 99, light- to dark-green), human liver fructose-2,6-bisphosphatase (https://doi.org/10.2210/pdb1k6m/pdb 71, purple and dark gray) and the sensor histidine kinase phosphatase SixA from E. coli (https://doi.org/10.2210/pdb1ujc/pdb 100, pink and light gray).