Top cofit genes for SM_b20987 from Sinorhizobium meliloti 1021

siroheme synthase
SEED: Siroheme synthase / Precorrin-2 oxidase (EC 1.3.1.76) / Sirohydrochlorin ferrochelatase (EC 4.99.1.4) / Uroporphyrinogen-III methyltransferase (EC 2.1.1.107)

Rank	Hit	Name	Description	Conserved?	Cofitness
1	SM_b20984		Nitrite reductase (NAD(P)H) (EC 1.7.1.4) (from data)	no	0.47
2	SMc04087		transmembrane protein	no	0.40
3	SMc02683		hypothetical protein	no	0.39
4	SMa0922		hypothetical protein	no	0.38
5	SM_b21115		response regulator protein	no	0.36
6	SMc04307		adenylate/guanylate cyclase transmembrane protein	no	0.36
7	SMa0404		FMN-dependent dehydrogenase	no	0.34
8	SMc02363		cytochrome C-type biogenesis transmembrane protein	no	0.34
9	SM_b20718		sugar uptake ABC transporter ATP-binding protein	no	0.34
10	SMc00499		hypothetical protein	no	0.33
11	SMa1963		polyketide synthase	no	0.33
12	SM_b21589		sugar uptake ABC transporter permease	no	0.32
13	SM_b20621		sugar uptake ABC transporter permease	no	0.31
14	SMa0606		hypothetical protein	no	0.31
15	SM_b21531		hypothetical protein	no	0.31
16	SM_b20323		transcriptional regulator	no	0.31
17	SM_b20728		hypothetical protein	no	0.31
18	SMc01728		transcriptional regulator	no	0.31
19	SM_b21113		hypothetical protein	no	0.31
20	SMc02102		hypothetical protein	no	0.30

Or look for negative cofitness