| 单词 | boundary element |
| 释义 | boundary elementboundary elementA 0.5 to 3.0 kilobase pair segment of DNA which may function as a transcriptionally neutral DNA element, blocking or attenuating the spreading of influence of positive (e.g., enhancers) or negative (e.g., silencers) or heterochromatin-like repressor DNA elements. |
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