| 1VHH | A: | A POTENTIAL CATALYTIC SITE WITHIN THE AMINO-TERMINAL SIGNALLING DOMAIN OF SONIC HEDGEHOG |
| 2WG4 | A: | CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN HUMAN HEDGEHOG-INTERACTING PROTEIN HIP AND SONIC HEDGEHOG WITHOUT CALCIUM |
| 3D1M | A:; B: | CRYSTAL STRUCTURE OF SONIC HEDGEHOG BOUND TO THE THIRD FNIII DOMAIN OF CDO |
| 3N1R | A: | CRYSTAL STRUCTURE OF SHHN |