Homologs of Sama_1621 from Shewanella amazonensis SB2B
NapD (RefSeq)
SEED: periplasmic diheme c-type cytochrome, NapB
KEGG: periplasmic nitrate reductase NapD
25 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser