| Q8YZ70 | CPCS1_NOSS1 | Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) | cpcS1 cpeS1 alr0617 | Detail |
| Q7NNH3 | CPXT1_GLOVI | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | cpcT1 glr0438 | Detail |
| B1YB29 | DAPAL_PYRNV | Pyrobaculum neutrophilum (strain DSM 2338 / JCM 9278 / V24Sta) (Thermoproteus neutrophilus) | dapAL Tneu_1812 | Detail |
| Q9HJ17 | DAPAL_THEAC | Thermoplasma acidophilum (strain ATCC 25905 / DSM 1728 / JCM 9062 / NBRC 15155 / AMRC-C165) | dapAL Ta1157 | Detail |
| Q5AR46 | ASQC_EMENI | Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) (Aspergillus nidulans) | asqC AN9234 | Detail |
| Q10ZK3 | CPXS1_TRIEI | Trichodesmium erythraeum (strain IMS101) | cpcS1 Tery_3198 | Detail |
| P56265 | NIFB_KLEOX | Klebsiella oxytoca | nifB | Detail |
| P46044 | NIFB_FRAAL | Frankia alni | nifB | Detail |
| A8A535 | NANA_ECOHS | Escherichia coli O9:H4 (strain HS) | nanA EcHS_A3413 | Detail |
| B1LGJ0 | NANA_ECOSM | Escherichia coli (strain SMS-3-5 / SECEC) | nanA EcSMS35_3520 | Detail |