这个词是什么意思？
A photoprotein isolated from the bioluminescent jellyfish Aequorea. It emits visible light by an intramolecular reaction when a trace amount of calcium ion is added. The light-emitting moiety in the bioluminescence reaction is believed to be 2-amino-3-benzyl-5-(p-hydroxyphenyl)pyrazine (AF-350).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000331 · MeSH 2026。
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