https://www.ncbi.nlm.nih.gov/Structure/pdb/7HL7
7HL7: Group deposition for crystallographic fragment screening of the NS5 RNA-dependent RNA...
Genome polyprotein2-(N-MORPHOLINO)-ETHANESULFONIC ACIDDI(HYDROXYETHYL)ETHERDIMETHYL SULFOXIDEPHOSPHATE IONZINC ION
fragment screening