Violet, ID #453682, came into the shelter with eight pups. She's a sweet and soulful 6-year-old, 56-pound hound mix. Violet was a loving and patient mom to her litter, who have all found homes.

Obelin from the hydroid Obelia longissima and aequorin are members of a subfamily of Ca2+-regulated photoproteins that is a part of the larger EF-hand calcium binding protein family. On the addition ...