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The PRC-barrel: a widespread, conserved domain shared by photosynthetic reaction center subunits and proteins of RNA metabolism

Published by National Institutes of Health | U.S. Department of Health & Human Services | Metadata Last Checked: September 07, 2025 | Last Modified: 2025-09-06
The PRC-H β-barrel domain, a distinct cytoplasmic β-barrel domain whose fold has no close structural relationship to any other well known β-barrel domain, is the prototype of a novel superfamily of protein domains approximately 80 residues long. This domian is a widespread, ancient domain that appears to have been recruited to a variety of biological systems, ranging from RNA processing to photosynthesis.

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