>sp|P0A422|PSAD_THEVL Photosystem I reaction center subunit II OS=Thermostichus vulcanus GN=psaD MTTLTGQPPLYGGSTGGLLSAADTEEKYAITWTSPKEQVFEMPTAGAAVMREGENLVYFA RKEQCLALAAQQLRPRKINDYKIYRIFPDGETVLIHPKDGVFPEKVNKGREAVNSVPRSI GQNPNPSQLKFTGKKPYDP