Lineage for d1g20a_ (1g20 A:)

  1. Root: SCOP 1.63
  2. 235644Class c: Alpha and beta proteins (a/b) [51349] (117 folds)
  3. 250478Fold c.92: Chelatase-like [53799] (2 superfamilies)
    duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134
  4. 250499Superfamily c.92.2: "Helical backbone" metal receptor [53807] (3 families) (S)
    contains a long alpha helical insertion in the interdomain linker
  5. 250520Family c.92.2.3: Nitrogenase iron-molybdenum protein [53816] (2 proteins)
    contains three domains of this fold; "Helical backbone" holds domains 2 and 3
    both chains are homologous; the interchain arrangment of domains 1 is similar to the intrachain arrangement of domains 2 and 3
  6. 250521Protein Nitrogenase iron-molybdenum protein, alpha chain [81402] (3 species)
  7. 250522Species Azotobacter vinelandii [TaxId:354] [81398] (10 PDB entries)
  8. 250531Domain d1g20a_: 1g20 A: [35613]
    Other proteins in same PDB: d1g20b_, d1g20d_, d1g20e_, d1g20f_, d1g20g_, d1g20h_

Details for d1g20a_

PDB Entry: 1g20 (more details), 2.2 Å

PDB Description: mgatp-bound and nucleotide-free structures of a nitrogenase protein complex between leu127del-fe protein and the mofe protein

SCOP Domain Sequences for d1g20a_:

Sequence; same for both SEQRES and ATOM records: (download)

>d1g20a_ c.92.2.3 (A:) Nitrogenase iron-molybdenum protein, alpha chain {Azotobacter vinelandii}

SCOP Domain Coordinates for d1g20a_:

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Timeline for d1g20a_: