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Phr family secreted Rap phosphatase inhibitor Phr peptides are short peptides, best conserved in their amino-terminal regions, that are almost always encoded immediately downstream of a Rap phosphatase. A portion of the Phr peptide is secreted, enters another cell, and forms a quorum-sensing system by inhibiting its Rap phosphatase partner. The set of Phr peptides recognized by this N-terminal region model is disjoint from the PhrC/PhrF set recognized by pfam11131. [Regulatory functions, Protein interactions] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",