8wq9 is a 2 chain structure with sequence from Pseudomonas aeruginosa PAO1. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
HYDA_PSEAE Catalyzes the hydrolysis of dihydropyrimidines and of the structurally related DL-5-mono-substituted hydantoins, to produce N-carbamoyl-D-amino acids.