这个词是什么意思？
A broad category of receptor-like proteins that may play a role in transcriptional-regulation in the CELL NUCLEUS. Many of these proteins are similar in structure to known NUCLEAR RECEPTORS but appear to lack a functional ligand-binding domain, while in other cases the specific ligands have yet to be identified.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D057093 · MeSH 2026。
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