Nitrogenase 3D structures

3D structure of Nitrogenase

Updated on 23-March-2026

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• Nase Mo-Fe protein
  • 1m1n, 2min, 3k1a, 3min, 3u7q – AvNase + subunit [CFe7MoS9 Fe8S7] - Azotobacter vinelandii
    
  • 7jrf - AvNase + subunit [CFe7MoS9 Fe8S7] + CO
    
  • 4xpi, 5cx1, 7mci - AvNase + (mutant) subunit [CFe7MoS9 Fe8S7]
    
  • 4tku, 5bvg - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2]
    
  • 8bts, 8e3v - AvNase + (mutant) subunit [CFe7MoS9 Fe8S7 Fe2]
    
  • 8dby, 8dpn - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] - Cryo EM
    
  • 8e3u - AvNase + subunit [CFe7MoS9 Fe7S7 Fe2]
    
  • 8e3t - AvNase + (mutant) subunit [CFe7MoS9 Fe7S7 Fe2]
    
  • 6o7o, 6o7m, 6o7l, 6o7p, 6o7q, 6o7r, 7ut6 - AvNase + (mutant) subunit [CFe7MoS9 Fe8S7 Fe2]
    
  • 6o7s - AvNase + (mutant) subunit [CFe7MoS9 Fe6S7 Fe2]
    
  • 6op4 - AvNase + subunit [CFe7MoS9 Fe8S7 Mg]
    
  • 4tkv, 5bvh - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] + CO
    
  • 7ut7, 8crs, 8dbx, 8enl, 8enm, 8enn - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] – Cryo EM
    
  • 6op1, 7jrf - AvNase + subunit [CFe7MoS9 Fe8S7 Mg] + CO
    
  • 6op2, 6op3 - AvNase + subunit [CFe7MoS9 Fe8S7 Se Mg]
    
  • 4nd8, 6bbl, 6cdk, 6vxt - AvNase + subunit [CFe7MoS9 Fe8S7 Fe+3]
    
  • 9hb9, 9hbc, 9hbn - AvNase + subunit [CFe7MoS9 Fe8S7]
    
  • 8p8g - AvNase + (mutant) subunit [CFe7MoS9 Fe8S7]
    
  • 8tc3, 9cjb, 9cjc, 9cjd, 9cje, 9cqx, 9cqy, 9cqz, 9cr0, 9ctz, 9mly, 9mlz, 9mm0, 9mm1, 9nsv - AvNase + subunit [CFe7MoS9 Fe8S7 Fe+3] – Cryo EM
    
  • 8eno, 9cjf - AvNase + subunit [CFe7MoS9 Fe8S7 Fe+3] + Nase associated factor T – Cryo EM
    
  • 6o7n - AvNase + subunit (mutant) [CFe7MoS9 Fe8S7 Fe+3]
    
  • 6ug0 - AvNase + subunit (mutant) [CFe7MoS9 Fe8S7 Fe+3] + N2
    
  • 1fp4 - AvNase + subunit (mutant) [Fe7MoS9 Fe8S8]
    
  • 1l5h - AvNase + subunit [Fe8S7]
    
  • 1h1l, 1qgu, 1qh8 - KpNase + subunit [Fe7MoS9 Fe8S7] – Klebsiella pneumoniae
    
  • 1qh1 - KpNase + subunit [Fe7MoS9 Fe8S7]
    
  • 1mio - CpNase + subunit (mutant) [Fe7MoS9 Fe8S8] - Clostridium pasteurianum
    
  • 4wes, 4wn9, 4wna, 5vpw, 5vq3, 5vq4 - CpNase + subunit [CFe7MoS9 Fe8S7 Fe2]
    
• Nase iron protein 1
  • 2c8v, 5koh, 5koj – AvNase + subunit iron protein 1 [FeS]
    
  • 1g1m, 1g5p, 2nip, 6n4j, 6n4k, 6o0b, 7tpy, 9haz - AvNase iron protein 1 [Fe4S4]
    
  • 1de0, 1xcp, 1xd8, 1xdb, 1rw4 - AvNase iron protein 1 (mutant) [Fe4S4]
    
  • 1fp6, 1nip, 6n4m, 6n4l, 7tpv,7tpw, 7tpx, 7tpz, 7tqj - AvNase iron protein 1 [Fe4S4] + ADP
    
  • 7t4h,7tne, 7tpn, 7tpo, 7tq0, 7tq9, 7tqe, 7tqf, 7tqh, 7tqi, 7tqk, 7tpn - AvNase + subunit [Fe4S4 Fe4Se4] + ADP
    
  • 8boq - AvNase + subunit [Fe8S9 Fe8S7] + O
    
  • 6q93 - AvNase iron protein 1 [Fe4S4] + MgADP
    
  • 7qqa - AvNase iron protein 1 (mutant) [Fe4S4] + MgADP
    
  • 1xd9 - AvNase iron protein 1 (mutant) [Fe4S4] + MgADP
    
  • 1cp2 - CpNase iron protein 1 [Fe4S4]
    
  • 6nzj - Nase iron protein 1 [Fe4S4] – Methanosarcina acetivorans
    
  • 7jmb - MtNase [Fe4S4]
    
  • 7bi7 - MtNase [Fe4S4 Fe8S7]
    
  • 8pbb - RcNase alpha chain + Nase iron-iron protein beta subunit [Fe8S7] – Rhodobacter capsulatus - Cryo EM
    
  • 8q5w - Nase iron protein 1 [Fe4S4] + MgADP + NO3 – Methanocaldococcus infernus
    
  • 8q5x - Nase iron protein 1 [Fe4S4] + MgADP – Methanococcus maripaludis
    
  • 8q50, 8q5t, 8q5v - Nase iron protein 1 [Fe4S4] – Methanomethanococcus thermolithotrophicus
    
• Nase Mo-Fe protein complex with Nase iron protein 1
  • 8rhp, 9cu0, 9cu1, 9cu2 - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] + iron protein 1 [Fe4S4] + FeSII – Cryo EM
    
  • 7uta, 8dfc, 8dfd - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] + iron protein 1 [Fe4S4] + ADP
    
  • 7ut8, 7ut9 - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] + iron protein 1 [Fe4S4] + ATP – Cryo EM
    
  • 4wza - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] + iron protein 1 [Fe4S4] + ADP + ACP
    
  • 4wzb - AvNase + subunit [CFe7MoS9 Fe8S7 Fe2] + iron protein 1 [Fe4S4] + ACP
    
  • 1g20, 1m1y, 2afh - AvNase + subunit Fe7MoS9 Fe8S7]] + iron protein 1 [Fe4S4]
    
  • 1g21. 1m34, 2afi, 4wzb - AvNase + subunit [Fe7MoS9 Fe8S7] + iron protein 1 [Fe4S4] + nucleotide
    
  • 1n2c - AvNase + subunit [Fe7MoS9 Fe8S7] + iron protein 1 [Fe4S4] + AlF4
    
  • 8oie - RcNase alpha chain + Nase iron-iron protein beta subunit + Nase iron-iron protein delta subunit + iron protein 1 + ADP [Fe8S9 Fe8S7 Fe4S4] – Cryo EM
    
  • 2afh, 1m1y, 1g20 - AvNase + subunit Fe7MoS9 Fe8S7]] + iron protein 1 [Fe4S4]
    
  • 2afi, 4wzb, 1m34. 1g21 - AvNase + subunit [Fe7MoS9 Fe8S7] + iron protein 1 [Fe4S4] + nucleotide
    
  • 1n2c - AvNase + subunit [Fe7MoS9 Fe8S7] + iron protein 1 [Fe4S4] + AlF4
    
• Nase V-Fe protein
  • 5n6y, 6fea – AvNase ++d subunit [C-Fe7-N-S7-V + Fe8-S7] + CO3
    
  • 7adr, 7aiz – AvNase ++d subunit [C-Fe7-N-S7-V + Fe8-S7] + CO3 + CO
    
  • 7ady – AvNase ++d subunit [C-Fe7-N-S7-V ]
    
  • 2kic – AvNase subunit – NMR
    
  • 7jma - MtNase – Methanothermobacter thermautotropicus
    

Proteopedia Page Contributors and Editors (what is this?)

Michal Harel