Top cofit genes for Rru_A2990 from Rhodospirillum rubrum S1H

precorrin-2 C20-methyltransferase (NCBI)
SEED: Cobalt-precorrin-2 C20-methyltransferase (EC 2.1.1.130)
KEGG: precorrin-2/cobalt-factor-2 C20-methyltransferase

Rank	Hit	Name	Description	Conserved?	Cofitness
1	Rru_A3382		Cobalamin biosynthesis protein CbiB (NCBI)	0.91	0.93
2	Rru_A2989		Precorrin-3B C17-methyltransferase region (NCBI)	0.94	0.91
3	Rru_A2987		hypothetical protein (NCBI)	0.83	0.90
4	Rru_A2988		Precorrin-6X reductase (NCBI)	0.93	0.87
5	Rru_A3359		Cobyrinic acid a,c-diamide synthase CbiA (NCBI)	0.94	0.87
6	Rru_A3384		Precorrin-4 C11-methyltransferase region (NCBI)	0.93	0.84
7	Rru_A2986		Fumarate reductase/succinate dehydrogenase flavoprotein-like (NCBI)	0.81	0.81
8	Rru_A2981		2-desacetyl-2-hydroxyethyl bacteriochlorophyllide (NCBI)	no	0.81
9	Rru_A0493		Phytoene desaturase (NCBI)	no	0.79
10	Rru_A0627		Bacteriochlorophyll/chlorophyll synthetase (NCBI)	no	0.79
11	Rru_A3550		Cobyric acid synthase CobQ (NCBI)	no	0.77
12	Rru_A2992		Precorrin-6Y C5,15-methyltransferase (decarboxylating) (NCBI)	0.94	0.77
13	Rru_A0137		TRAP transporter solute receptor, TAXI family (NCBI)	no	0.76
14	Rru_A0620		Light-independent protochlorophyllide reductase, iron-sulfur ATP-binding protein (NCBI)	no	0.73
15	Rru_A0486		von Willebrand factor, type A (NCBI)	no	0.73
16	Rru_A1691		Spermine synthase (NCBI)	no	0.73
17	Rru_A1677		Signal transduction histidine kinase, nitrogen specific, NtrB (NCBI)	0.40	0.73
18	Rru_A3052		hypothetical protein (NCBI)	no	0.72
19	Rru_A0670		Cobalbumin biosynthesis enzyme (NCBI)	0.96	0.71
20	Rru_A0259		Carbon starvation protein CstA (NCBI)	no	0.71

Or look for negative cofitness