4grd is a 4 chain structure with sequence from Burcj. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
[B4EA21_BURCJ] Catalyzes the conversion of N5-carboxyaminoimidazole ribonucleotide (N5-CAIR) to 4-carboxy-5-aminoimidazole ribonucleotide (CAIR) (By similarity).[PIRNR:PIRNR001338]