| Strain | Pseudomonas putida KT2440 |
| GI | 26988846 |
| Locus Tag | PP_2122 |
| Description | molybdenum cofactor biosynthesis protein B |
| Strain | Pseudomonas denitrificans ATCC 13867 |
| GI | 472326430 |
| Locus Tag | H681_16340 |
| Description | molybdopterin biosynthetic protein B2 |
| Strain | Hahella chejuensis KCTC 2396 |
| GI | 83647581 |
| Locus Tag | HCH_04900 |
| Description | molybdopterin biosynthesis protein |