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Literature summary for 1.5.1.20 extracted from

  • Brige, A.; Leys, D.; Meyer, T.E.; Cusanovich, M.A.; Van Beeumen, J.J.
    The 1.25 A resolution structure of the diheme NapB subunit of soluble nitrate reductase reveals a novel cytochrome c fold with a stacked heme arrangement (2002), Biochemistry, 41, 4827-4836.
    View publication on PubMed

Crystallization (Commentary)

Crystallization (Comment) Organism
hanging-drop vapor diffusion method. Structure of proteolyzed form of recombinant NapB at 1.25 A resolution Haemophilus influenzae

Localization

Localization Comment Organism GeneOntology No. Textmining
periplasm
-
Haemophilus influenzae
-
-

Organism

Organism UniProt Comment Textmining
Haemophilus influenzae
-
-
-

Cofactor

Cofactor Comment Organism Structure
heme the diheme cytochrome NsapB constitutes the small subunit of the nitrate reductase. The two heme groups have nearly parallel heme planes. van der Waals distances with an iron-to-iron distance of 9.9 A. The two propionate side chaind on both heme groups are hydrogen-bonded to each other. The propionates of one of the heme groups are pulled towards the interior of the molecule due to a salt bridge and a number of hydrogen bonds between the propionates and conserved residues Haemophilus influenzae