QLVPLLYKQFVPGVPERTLGASGPAEGRVARGSERFRDLVPNYNPDIIFK DEENSGADRLMTERCKERVNALAIAVMNMWPGVRLRVTEGWDEDGHHAQD SLHYEGRALDITTSDRDRNKYGLLARLAVEAGFDWVYYESRNHVHVSVKA D
3n1g All mammalian Hedgehog proteins interact with cell adhesion molecule, down-regulated by oncogenes (CDO) and brother of CDO (BOC) in a conserved manner.