Status Description Organism Genes References
methionine synthase Acetobacter aceti G10B5-346
methionine synthase Alicyclobacillus acidocaldarius GCIO-255
5- methyltetrahydropteroyltriglutamate/homocysteine S-methyltransferase Alicyclobacillus acidocaldarius GCIO-774
5-methyltetrahydropteroyltriglutamate--homocysteine methyltransferase Aggregatibacter actinomycetemcomitans GJBF-1098
5-methyltetrahydropteroyltriglutamate--homocysteine S-methyltransferase Aggregatibacter actinomycetemcomitans GJBF-1633
5- methyltetrahydropteroyltriglutamate/homocysteine S-methyltransferase Aquifex aeolicus GJBH-1203
5-methyltetrahydropteroyltriglutamate-- homocysteine S-methyltransferase Alishewanella aestuarii G10GE-2470
methionine synthase Alishewanella agri G10HS-2288
5-methyltetrahydropteroyltriglutamate-- homocysteine methyltransferase Alishewanella agri G10HS-606
Methionine synthase, vitamin-B12 independent Agrobacterium albertimagni G10FL-4563