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Class: Mainly Alpha (13335)
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Architecture: Up-down Bundle (3216)
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Topology: Nitrogenase Molybdenum-iron Protein, subunit B; domain 4 (19)
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Homologous Superfamily: Nitrogenase Molybdenum-iron Protein, subunit B, domain 4 (19)
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Azotobacter vinelandii. Organism_taxid: 354. (3)
1FP4B:321-364,B:485-523; D:321-364,D:485-523CRYSTAL STRUCTURE OF THE ALPHA-H195Q MUTANT OF NITROGENASE
1L5HB:321-364,B:485-523FEMO-COFACTOR DEFICIENT NITROGENASE MOFE PROTEIN
1M1NB:321-364,B:485-523; D:321-364,D:485-523; F:321-364,F:485-523; H:321-364,H:485-523NITROGENASE MOFE PROTEIN FROM AZOTOBACTER VINELANDII