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A comprehensive resource for the analysis of Prokaryotic Two-Component Systems (TCSs). TCSs are comprised of a receptor histidine kinase (HK) and a partner response regulator (RR) and control important prokaryotic behaviors. The latest incarnation of P2CS includes 164 651 TCS proteins, from 2758 sequenced prokaryotic genomes. Several important new features have been added to P2CS since it was last described. Users can search P2CS via BLAST, adding hits to their cart, and homologous proteins can be aligned using MUSCLE and viewed using Jalview within P2CS. P2CS also provides phylogenetic trees based on the conserved signaling domains of the RRs and HKs from entire genomes.

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  • (Ortet et al., 2015) P2CS: updates of the prokaryotic two-component systems database. Nucleic acids research.
    PMID: 25324303
  • (Barakat et al., 2011) P2CS: a database of prokaryotic two-component systems. Nucleic acids research.
    PMID: 21051349
  • (Barakat et al., 2009) P2CS: a two-component system resource for prokaryotic signal transduction research. BMC genomics.
    PMID: 19604365
  • Eubacteria

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