Homologs of CCNA_00650 from Caulobacter crescentus NA1000
nitrate transporter (from data)
Original annotation: MFS superfamily nitrate/nitrite transporter NarK
SEED: Nitrate/nitrite transporter
KEGG: MFS transporter, NNP family, nitrate/nitrite transporter
Top 100 hits from BLASTp (E < 0.01)
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