No abstract available
MeSH terms
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Escherichia coli / enzymology*
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Immunodiffusion
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Immunoelectrophoresis
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In Vitro Techniques
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Ligases / metabolism*
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Molecular Biology
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Molecular Weight
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Mutation
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Phenylalanine
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RNA, Transfer / metabolism
Substances
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Phenylalanine
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RNA, Transfer
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Ligases