Calcium-dependent lectin-like protein which binds to a yeast cell wall extract and immune complexes through the complement component (C3bi). It is capable of binding non-reducing terminal N-acetylglucosamine, mannose, and fucose residues. Oligomeric complex of 4 set of homotrimers. The hydroxylysines may be O-glycosylated. Belongs to the SFTPD family.