Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/1G4C 1G4C: CRYSTAL STRUCTURE OF A COMPLEX OF HPPK(R92A) FROM E.COLI WITH MG2+ AT 1.65 ANGSTROM RESOLUTION 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN PYROPHOSPHOKINASECHLORIDE IONMAGNESIUM ION