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如何使用Evo 2生成DNA序列?

2025-09-05 1.8 K

Evo 2的DNA序列生成功能操作简单但功能强大,具体步骤如下:

Operational Processes:

  1. Loading Models::from evo2 import Evo2
    model = Evo2('evo2_7b') # 使用7B参数模型
  2. Enter prompts and generate::prompt = ["ACGT"] # 初始DNA序列
    output = model.generate(prompt_seqs=prompt, n_tokens=400, temperature=1.0, top_k=4)
    print(output.sequences[0]) # 输出400个核苷酸序列

Parameter Description:

  • n_tokens:控制生成序列长度
  • temperature:控制随机性(推荐0.8-1.2)
  • top_k:限制采样范围,优化结果质量

生成的序列可直接用于下游生物分析,也可作为进一步设计的起点。

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