Strcuture of Polyhydroxyalkanoate (PHA) synthase PhaC from Chromobacterium sp. USM2 is published by Chek et al. and will soon be available (5XAV). Crystal structure of mutants of the uncultured bacteria esterase E40 are availble. (5GMR, 5GMS) and will soon be published by Zhang et al. Biochemical and structural analyses of two cryptic esterases in Bacteroides intestinalis and their synergistic activities with cognate xylanases are published by Wefers et al. and stucture of BiFae1B is available (5VOL)