3fk4 is a 2 chain structure with sequence from Bacillus cereus ATCC 14579. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
MTNW_BACCR Catalyzes the enolization of 2,3-diketo-5-methylthiopentyl-1-phosphate (DK-MTP-1-P) into 2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate (HK-MTPenyl-1-P).