http://www.projecthalo.com/aura#Homeodomain-Protein
http://www.projecthalo.com/aura#Muscle-Specific-Transcription-Factor
http://www.projecthalo.com/aura#P53-Protein
http://www.projecthalo.com/aura#Morphogen
http://www.projecthalo.com/aura#Transcription-Factor