Top cofit genes for Rru_A2983 from Rhodospirillum rubrum S1H

Polyprenyl synthetase (NCBI)
KEGG: geranylgeranyl diphosphate synthase, type II

Rank	Hit	Name	Description	Conserved?	Cofitness
1	Rru_A0621		Magnesium-chelatase, subunit H (NCBI)	0.67	0.83
2	Rru_A2981		2-desacetyl-2-hydroxyethyl bacteriochlorophyllide (NCBI)	0.46	0.82
3	Rru_A0627		Bacteriochlorophyll/chlorophyll synthetase (NCBI)	0.47	0.78
4	Rru_A0493		Phytoene desaturase (NCBI)	no	0.78
5	Rru_A3227		conserved hypothetical protein, potential methyltransferase (NCBI)	no	0.77
6	Rru_A0486		von Willebrand factor, type A (NCBI)	no	0.76
7	Rru_A2975		Photosynthetic reaction centre protein L subunit (NCBI)	0.57	0.76
8	Rru_A2980		Chlorophyllide reductase iron protein subunit X (NCBI)	0.53	0.75
9	Rru_A3009		Aminotransferase class-III (NCBI)	no	0.75
10	Rru_A3558		Protein of unknown function UPF0005 (NCBI)	no	0.74
11	Rru_A1837		Porphobilinogen synthase (NCBI)	no	0.73
12	Rru_A2979		Chlorophyllide reductase subunit Y (NCBI)	0.62	0.72
13	Rru_A0485		Magnesium chelatase ATPase subunit I (NCBI)	0.66	0.72
14	Rru_A2847		Transcriptional regulators, TraR/DksA family (NCBI)	no	0.71
15	Rru_A1804		N-acetyltransferase (NCBI)	no	0.71
16	Rru_A0624		2-vinyl bacteriochlorophyllide hydratase (NCBI)	no	0.71
17	Rru_A0617		Photosynthetic reaction center, H-chain (NCBI)	0.48	0.71
18	Rru_A1894		heavy metal translocating P-type ATPase (NCBI)	no	0.70
19	Rru_A2986		Fumarate reductase/succinate dehydrogenase flavoprotein-like (NCBI)	no	0.69
20	Rru_A2525		Peptidase U32 (NCBI)	no	0.69

Or look for negative cofitness