Homologs of Echvi_4009 from Echinicola vietnamensis KMM 6221, DSM 17526
TQO small subunit DoxD./TQO small subunit DoxA.
SEED: Terminal quinol oxidase, subunit, putative (doxD-like)
2 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser