1ON3 | A:8-260; A:261-524; F:8-260; F:261-524; B:9-260; B:261-524; C:9-260; C:261-524; D:7-260; D:261-524; E:5-260; E:261-524 | TRANSCARBOXYLASE 12S CRYSTAL STRUCTURE: HEXAMER ASSEMBLY AND SUBSTRATE BINDING TO A MULTIENZYME CORE (WITH METHYLMALONYL-COENZYME A AND METHYLMALONIC ACID BOUND) |