| C1ASZ5 | ARLY_RHOOB | Rhodococcus opacus (strain B4) | argH ROP_06800 | Detail |
| A9WQ91 | ARLY_RENSM | Renibacterium salmoninarum (strain ATCC 33209 / DSM 20767 / JCM 11484 / NBRC 15589 / NCIMB 2235) | argH RSal33209_0784 | Detail |
| Q21XR4 | ARLY_RHOFT | Rhodoferax ferrireducens (strain ATCC BAA-621 / DSM 15236 / T118) (Albidiferax ferrireducens) | argH Rfer_1710 | Detail |
| A3PMB7 | ARLY_RHOS1 | Rhodobacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) | argH Rsph17029_2381 | Detail |
| Q2RXE3 | ARLY_RHORT | Rhodospirillum rubrum (strain ATCC 11170 / ATH 1.1.1 / DSM 467 / LMG 4362 / NCIB 8255 / S1) | argH Rru_A0397 | Detail |
| A4FKC1 | ARLY_SACEN | Saccharopolyspora erythraea (strain ATCC 11635 / DSM 40517 / JCM 4748 / NBRC 13426 / NCIMB 8594 / NRRL 2338) | argH SACE_5256 | Detail |
| B5FPX5 | ARLY_SALDC | Salmonella dublin (strain CT_02021853) | argH SeD_A4528 | Detail |
| A6WTR9 | ARLY_SHEB8 | Shewanella baltica (strain OS185) | argH Shew185_4091 | Detail |
| A8G1A3 | ARLY_SHESH | Shewanella sediminis (strain HAW-EB3) | argH Ssed_4272 | Detail |
| P17434 | NIFB_RHOCA | Rhodobacter capsulatus (Rhodopseudomonas capsulata) | nifB | Detail |