这个词是什么意思？
A carbon-nitrogen ligase. During purine ribonucleotide biosynthesis, this enzyme catalyzes the synthesis of adenylosuccinate from GTP; IMP; and aspartate with the formation of orthophosphate and GDP. EC 6.3.4.4.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000265 · MeSH 2026。
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