Phytase is a secreted enzyme which hydrolyses phytate to release inorganic phosphate. This family appears to represent a novel enzyme that shows phytase activity [1] and has been shown to have a six- bladed propeller folding architecture [2].

1: Isolation, characterization, molecular gene cloning, and sequencing of a novel phytase from Bacillus subtilis. Kerovuo J, Lauraeus M, Nurminen P, Kalkkinen N, Apajalahti J; Appl Environ Microbiol 1998;64:2079-2085. PMID:9603817

2: Crystal structures of a novel, thermostable phytase in partially and fully calcium-loaded states. Ha NC, Oh BC, Shin S, Kim HJ, Oh TK, Kim YO, Choi KY, Oh BH; Nat Struct Biol 2000;7:147-153. PMID:10655618