Comment variation 应该被用于描述 alleles, RFLP's,和其它自然发生的突变和多态性.或由于基因操作造成的变异(例如,位点直接突变)应用misc_difference来描述
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Feature Key 3'clip
Definition 一个前体转录子的3'的最末端,在加工过程中被去除
Optional qualifiers /citation=[number]
/db_xref="<database>:<identifier>"
/evidence=<evidence_value>
/function="text"
/gene="text"
/label=feature_label
/map="text"
/note="text"
/partial
/standard_name="text"
/usedin=accnum:feature_label
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Feature Key 3'UTR
Definition 成熟转录子的3'端的区域,不能被翻译成蛋白
Optional qualifiers /citation=[number]
/db_xref="<database>:<identifier>"
/evidence=<evidence_value>
/function="text"
/gene="text"
/label=feature_label
/map="text"
/note="text"
/partial
/standard_name="text"
/usedin=accnum:feature_label
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Feature Key 5'clip
Definition 前体转录子5'最末端区域,可在加工过程中去除
Optional qualifiers /citation=[number]
/db_xref="<database>:<identifier>"
/evidence=<evidence_value>
/function="text"
/gene="text"
/label=feature_label
/map="text"
/note="text"
/partial
/standard_name="text"
/usedin=accnum:feature_label
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Feature Key 5'UTR
Definition 在成熟转录子5'端区域,不能被翻译成蛋白
Optional qualifiers /citation=[number]
/db_xref="<database>:<identifier>"
/evidence=<evidence_value>
/function="text"
/gene="text"
/label=feature_label
/map="text"
/note="text"
/partial
/standard_name="text"
/usedin=accnum:feature_label
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Feature Key -10_signal
Definition Pribnow box; 一段在细菌转录单位起始位点前10bp的保守区域,可RNA聚合酶结合位点保守序列=TAtAaT[1,2,3,4]
Optional qualifiers /citation=[number]
/db_xref="<database>:<identifier>"
/evidence=<evidence_value>
/gene="text"
/label=feature_label
/map="text"
/partial
/note="text"
/standard_name="text"
/usedin=accnum:feature_label