prov:value
| - In some embodiments of a calcium-replaced homolog, the divalent metal cation can be an alkaline earth metal, such as beryllium, magnesium, strontium, and/or barium, or magnesium, strontium, and/or barium, or magnesium; in some embodiments of a calcium-replaced homolog, the divalent metal cation can be a divalent transition metal, such as chromium, cobalt, copper, manganese, and/or zinc; or a combi
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