Puzzle 432: De-novo Freestyle 8
PDB entry: 3SD2 Crystal structure of a Putative member of DUF3244 protein family (BT_3571) from Bacteroides thetaiotaomicron VPI-5482 at 1.40 A resolution Joint Center for Structural Genomics
As Rav3n_pl speculated, this protein may have a beta barrel fold.
seem close to this protein http://www2.rcsb.org/pdb/explore/explore.do?structureId=3SD2