| Q8D7M9 | MGSA_VIBVU | Vibrio vulnificus (strain CMCP6) | mgsA VV2_0123 | Detail |
| P24427 | NIFB_RHILT | Rhizobium leguminosarum bv. trifolii | nifB | Detail |
| B1IVW9 | MGSA_ECOLC | Escherichia coli (strain ATCC 8739 / DSM 1576 / Crooks) | mgsA EcolC_2633 | Detail |
| Q63VS6 | MGSA_BURPS | Burkholderia pseudomallei (strain K96243) | mgsA BPSL1168 | Detail |
| Q39EA4 | MGSA_BURL3 | Burkholderia lata (strain ATCC 17760 / DSM 23089 / LMG 22485 / NCIMB 9086 / R18194 / 383) | mgsA Bcep18194_A5618 | Detail |
| Q8RBB6 | MGSA_CALS4 | Caldanaerobacter subterraneus subsp. tengcongensis (strain DSM 15242 / JCM 11007 / NBRC 100824 / MB4) (Thermoanaerobacter tengcongensis) | mgsA TTE0906 | Detail |
| A0A2P1GIY1 | HL4_CATRO | Catharanthus roseus (Madagascar periwinkle) (Vinca rosea) | HL4 | Detail |
| P10390 | NIFB_KLEPN | Klebsiella pneumoniae | nifB | Detail |
| D5VRM1 | NIFB_METIM | Methanocaldococcus infernus (strain DSM 11812 / JCM 15783 / ME) | nifB Metin_0554 | Detail |
| J9R1J8 | MTS1_SELML | Selaginella moellendorffii (Spikemoss) | SELMODRAFT_402353 | Detail |