This is an alignment of the Hint module in the Hedgehog proteins. It does not include any Inteins which also possess the Hint module.

1: Crystal structure of a Hedgehog autoprocessing domain: homology between Hedgehog and self-splicing proteins. Hall TM, Porter JA, Young KE, Koonin EV, Beachy PA, Leahy DJ; Cell 1997;91:85-97. PMID:9335337