Top cofit genes for SMc00421 from Sinorhizobium meliloti 1021

O-acetylserine sulfhydrylase A
SEED: Cysteine synthase (EC 2.5.1.47)
KEGG: cysteine synthase A

Rank	Hit	Name	Description	Conserved?	Cofitness
1	SM_b20811		hypothetical protein	no	0.39
2	SM_b21438		C4-dicarboxylate transport system, C4-dicarboxylate-binding protein precursor signal peptide	no	0.36
3	SMa2331		potassium-transporting ATPase subunit B	no	0.34
4	SMa0426		hypothetical protein	no	0.32
5	SM_b20806		hypothetical protein	no	0.32
6	SMc01342		hypothetical protein	no	0.31
7	SMc00358		cyclopropane-fatty-acyl-phospholipid synthase	no	0.31
8	SMc03987		transport transmembrane protein	no	0.30
9	SM_b21298		hypothetical protein	0.29	0.30
10	SMc00401		hypothetical protein	no	0.29
11	SMc01717		mercuric reductase	no	0.29
12	SMc00937		TRK system potassium uptake transmembrane protein	no	0.29
13	SM_b20942		UDP glucose 4-epimerase	0.86	0.29
14	SMc03868		hypothetical protein	no	0.29
15	SMc03046		transcriptional regulator	no	0.28
16	SMc04283		transmembrane protein	no	0.28
17	SMa0326		short chain alcohol dehydrogenase-related dehydrogenase	no	0.28
18	SM_b20242		hypothetical protein	no	0.27
19	SM_b21027		hypothetical protein	no	0.27
20	SM_b20563		hypothetical protein	no	0.27

Or look for negative cofitness