| Strain | Pseudomonas aeruginosa PAO1 |
| GI | 15599009 |
| Locus Tag | PA3814 |
| Description | L-cysteine desulfurase (pyridoxal phosphate-dependent) |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326948 |
| Locus Tag | H681_18935 |
| Description | cysteine desulfurase |
| Strain | Pseudomonas protegens Pf-5 |
| GI | 70732289 |
| Locus Tag | PFL_4965 |
| Description | cysteine desulfurase |