Top cofit genes for b1223 from Escherichia coli BW25113

narK: nitrate/nitrite transporter (NCBI)
KEGG: MFS transporter, NNP family, nitrate/nitrite transporter

Rank	Hit	Name	Description	Conserved?	Cofitness
1	b3367	nirC	nitrite transporter (NCBI)	no	0.48
2	b4471	tdcG	L-serine dehydratase 3 (NCBI)	no	0.35
3	b3365	nirB	nitrite reductase, large subunit, NAD(P)H-binding (NCBI)	0.20	0.32
4	b2167	fruA	fused fructose-specific PTS enzymes: IIBcomponent/IIC components (NCBI)	0.25	0.21
5	b0607	uspG	universal stress protein UP12 (NCBI)	0.29	0.21
6	b4240	treB	fused trehalose(maltose)-specific PTS enzyme: IIB component/IIC component (NCBI)	no	0.21
7	b3113	yhaR	orf, hypothetical protein (VIMSS)	no	0.20
8	b0916	ycaQ	hypothetical protein (NCBI)	0.63	0.19
9	b2342	yfcY	acetyl-CoA acetyltransferase (NCBI)	0.28	0.19
10	b2000	flu	CP4-44 prophage; antigen 43 (Ag43) phase-variable biofilm formation autotransporter (NCBI)	0.31	0.19
11	b0553	nmpC	DLP12 prophage; truncated outer membrane porin (pseudogene) (RefSeq)	no	0.18
12	b3144	yraJ	predicted outer membrane protein (NCBI)	no	0.18
13	b0611	rna	ribonuclease I (NCBI)	no	0.17
14	b3114	tdcE	pyruvate formate-lyase 4/2-ketobutyrate formate-lyase (NCBI)	no	0.17
15	b3180	yhbY	predicted RNA-binding protein (NCBI)	no	0.17
16	b1334	fnr	DNA-binding transcriptional dual regulator, global regulator of anaerobic growth (NCBI)	0.56	0.17
17	b2627	yfjK	CP4-57 prophage; conserved protein (NCBI)	no	0.17
18	b2945	endA	DNA-specific endonuclease I (NCBI)	no	0.17
19	b1673	ydhV	predicted oxidoreductase (NCBI)	no	0.16
20	b4287	fecE	KpLE2 phage-like element; iron-dicitrate transporter subunit (NCBI)	0.28	0.16

Or look for negative cofitness