Literature for family C46 unassigned peptidases

1999
1. Aspock,G., Kagoshima,H., Niklaus,G. and Burglin,T.R.
   Caenorhabditis elegans has scores of hedgehog-related genes: sequence and expression analysis
   Genome Res9, 909-923. PubMed  Europe PubMed DOI
2. Shimeld,S.M.
   The evolution of the hedgehog gene family in chordates: insights from amphioxus hedgehog
   Dev Genes Evol209, 40-47. PubMed  Europe PubMed DOI