| Strain | Pseudomonas aeruginosa UCBPP-PA14 |
| GI | 116052744 |
| Locus Tag | PA14_60890 |
| Description | serine hydroxymethyltransferase |
| Strain | Pseudomonas fulva 12-X |
| GI | 333901915 |
| Locus Tag | Psefu_3733 |
| Description | glycine hydroxymethyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648600 |
| Locus Tag | HCH_05959 |
| Description | serine hydroxymethyltransferase |