The N-terminal domain of PA endonuclease from the influenza H1N1 virus in complex with 6-(2-ethylphenyl)-3-hydroxy-4-oxo-1,4-dihydropyridine-2-carboxylic acid
6e3o is a 1 chain structure with sequence from I09a0. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.