ISDA: 12AH

Deposition Date 2026-03-23

Release Date 2026-09-23

Last Version Date 2026-09-23

Entry Detail

PDB ID:

12AH

Keywords:

OXIDOREDUCTASE

Title:

Cryo-EM structure of Nitrogenase MoFe protein from Methanosarcina acetivorans bound to the NifI inhibitor complex in C3 symmetry

Biological Source:

Source Organism(s):

Methanosarcina acetivorans (Taxon ID: 2214)

Method Details:

Experimental Method:

ELECTRON MICROSCOPY

Resolution:

2.97 Å

Aggregation State:

PARTICLE

Reconstruction Method:

SINGLE PARTICLE

Download Validation Report

Macromolecular Entities

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Nitrogenase molybdenum-iron p
Gene (Uniprot):nifK
Chain IDs:A (auth: B), B (auth: D), C (auth: M), D (auth: N), E (auth: W), F (auth: X)
Chain Length:456
Number of Molecules:6
Biological Source:Methanosarcina acetivorans

UniProt ID:Q8TJ89 Pfam ID:PF00148 EC:1.18.6.1

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:P-II family nitrogen regulato
Gene (Uniprot):nifI1
Chain IDs:I (auth: F), J (auth: H), K (auth: P), M (auth: T), N (auth: Z), P (auth: b), T (auth: i), U (auth: j), Y (auth: n), Z (auth: o), CA (auth: s), DA (auth: t)
Chain Length:105
Number of Molecules:12
Biological Source:Methanosarcina acetivorans

UniProt ID:Q8TJ92 Pfam ID:PF00543

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:P-II family nitrogen regulato
Gene (Uniprot):nifI2
Chain IDs:L (auth: Q), O (auth: a), R (auth: g), S (auth: h), X (auth: m), BA (auth: r)
Chain Length:125
Number of Molecules:6
Biological Source:Methanosarcina acetivorans

UniProt ID:Q8TJ91 Pfam ID:PF00543

Structures with similar UniProt ID

Structural Superimposition Protein Blast

Polymer Type:polypeptide(L)
Molecule:Nitrogenase protein alpha cha
Gene (Uniprot):nifD
Chain IDs:G (auth: e), H (auth: q), Q (auth: f), V (auth: k), W (auth: l), AA (auth: p)
Chain Length:559
Number of Molecules:6
Biological Source:Methanosarcina acetivorans

UniProt ID:Q8TJ90 Pfam ID:PF00148 EC:1.18.6.1

Ligand Molecules