Abstract
The mechanistic details of the attachment of a small protein, ubiquitin, to other proteins are unclear. Crystal structures of the E2–ubiquitin and RING E3 enzymes, engaged and ready for transfer, provide fresh insights.
MeSH terms
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Animals
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Biocatalysis*
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Humans
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Nuclear Proteins / chemistry*
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Transcription Factors / chemistry*
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Ubiquitin / metabolism*
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Ubiquitin-Conjugating Enzymes / chemistry*
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Ubiquitin-Conjugating Enzymes / metabolism*
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Ubiquitin-Protein Ligases / chemistry*
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Zinc Fingers*
Substances
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Nuclear Proteins
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Transcription Factors
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Ubiquitin
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UBE2D1 protein, human
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Ubiquitin-Conjugating Enzymes
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Rnf4 protein, rat
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Ubiquitin-Protein Ligases