| Phylum | Species | Identity (%) | Ca2+ binding site |
| Mollusca | Pearl oyster Pinctada fucata | - | IV |
| Akazara scallop Chlamys nipponensis akazara | 64 | ||
| Asari clam Ruditapes philippinarum | 68 | ||
| Squid Todarodes pacificus | 68 | ||
| Arthropoda | Acorn barnacle Balanus nubilus | 35 | II, IV |
| American lobster Homarus americanus | 32 | ||
| Fruit fly Drosophila melanogaster | 39 | ||
| Nematoda | Nematode Caenorhabditis elegans | 38 | |
| Chordata | Chicken Gallus gallus | 30 | I, II, III, IV |
| Salmon Salmo salar | 33 | ||
| Xenopus Xenopus laevis | 34 | ||
| Rabbit Oryctolagus cuniculus fast skeletal | 31 | ||
| Human Homo sapiens fast skeletal | 31 |