| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15596993 |
| Locus Tag | PA1796 |
| Description | 5,10-methylene-tetrahydrofolate dehydrogenase / cyclohydrolase |
| Strain | Pseudomonas mendocina NK-01 |
| GI | 330503062 |
| Locus Tag | MDS_2148 |
| Description | bifunctional 5,10-methylene-tetrahydrofolate dehydrogenase/5,10-methylene-tetrahydrofolate cyclohydrolase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83644975 |
| Locus Tag | HCH_02155 |
| Description | 5,10-methylene-tetrahydrofolate dehydrogenase/methenyl tetrahydrofolate cyclohydrolase |