Ubiquitin Combination (IMAGE)

Goethe University Frankfurt

Ubiquitin Combination

Caption

Modifying the modifier: Crystal structures of ubiquitin (green) and modified ubiquitin (yellow). Modified ubiquitin contains an additional phosphoribosyl group at amino acid position 42. The aligned structures reveal a small, but decisive change in the three dimensional structure of the protein (middle).

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<i>Cell</i>

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