heterotetramer
BphI-BphJ-complex, alpha2beta2, 2 * 32000 BphJ, 2 * 37000 BphI, estimated by gel filtration
monomer
1 * 33000, SDS-PAGE, enzyme can form a stable heterotetrameric complex with TTHB246 in vitro, consisting of two aldolase and two dehydrogenase subunits