Top cofit genes for Atu3901 from Agrobacterium fabrum C58

nitrite reductase small subunit
SEED: Nitrite reductase [NAD(P)H] small subunit (EC 1.7.1.4)
KEGG: nitrite reductase (NAD(P)H) small subunit

Rank	Hit	Name	Description	Conserved?	Cofitness
1	Atu3902		nitrite reductase large subunit	0.93	0.53
2	Atu3903		nitrate ABC transporter ATPase	no	0.50
3	Atu3904		nitrate ABC transporter permease	0.65	0.47
4	Atu3905		nitrate ABC transporter substrate-binding protein	0.94	0.47
5	Atu3907		two component response regulator	0.96	0.37
6	Atu1444		nitrogen regulation protein	no	0.20
7	Atu1445		two component sensor kinase	no	0.19
8	Atu4864		MarR family transcriptional regulator	no	0.17
9	Atu3297		two component sensor kinase for C4-dicarboxylate transport	no	0.17
10	Atu3298		C4-dicarboxylate transporter DctA	no	0.17
11	Atu0346		uridylyltransferase/uridylyl-removing enzyme UTase	no	0.16
12	Atu6177		component of type IV secretion system	no	0.16
13	Atu2752		hypothetical protein	no	0.16
14	Atu3296		two component response regulator for C4-dicarboxylate transport	no	0.15
15	Atu3900		nitrate reductase large subunit	0.95	0.15
16	Atu4859		hypothetical protein	no	0.14
17	Atu1740		acetyltransferase	no	0.14
18	Atu3171		sugar ABC transporter ATPase	no	0.14
19	Atu0332		RNA polymerase sigma-54 factor	0.66	0.14
20	Atu4254		LacI family transcriptional regulator	no	0.13

Or look for negative cofitness