| Strain | Pseudomonas stutzeri CCUG 29243 |
| GI | 392419952 |
| Locus Tag | A458_04405 |
| Description | phosphatidylserine synthase |
| Strain | Pseudomonas aeruginosa RP73 |
| GI | 514411831 |
| Locus Tag | M062_24745 |
| Description | CDP-diacylglycerol--serine O-phosphatidyltransferase |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83648554 |
| Locus Tag | HCH_05913 |
| Description | CDP-diacylglycerol--serine O-phosphatidyltransferase |