"metafold" meaning in English

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  "etymology_text": "From meta- + fold.",
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        "Any of a group of topologically-related folds in proteins"
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        "(biochemistry) Any of a group of topologically-related folds in proteins"
      ],
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        "biology",
        "chemistry",
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        "(biochemistry) Any of a group of topologically-related folds in proteins"
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        "natural-sciences",
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