CcNiR: Difference between revisions
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== Your Heading Here ( | == Your Heading Here ('ccNiR') == | ||
<StructureSection load='1oah' size='500' side=' | <StructureSection load='1oah' size='500' side='left' caption='CYTOCHROME C NITRITE REDUCTASE FROM DESULFOVIBRIO DESULFURICANS ATCC 27774 (PDB entry [[1oah]])' scene=''> | ||
Cytochrome c nitrite reductase is a multicenter enzyme that uses a five-coordinated heme to perform the reduction of nitrite to ammonium in a six-electron transfer reaction | Cytochrome c nitrite reductase is a multicenter enzyme that uses a five-coordinated heme to perform the reduction of nitrite to ammonium in a six-electron transfer reaction <ref>pmid 20188536</ref> | ||
</StructureSection> | </StructureSection> | ||
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The catalytic reaction occurs at a high-spin (5-coordinated) heme that is located at a pentahemic subunit of 61 kDa which is strongly bound to its physiological electron donor, a smaller hydrophobic polypeptide tetrahemic of 19 kDa, composed of 4 c-types hemes; in vitro, the protein complexes associate each other forming huge aggregates (min. 890 kDa). | The catalytic reaction occurs at a high-spin (5-coordinated) heme that is located at a pentahemic subunit of 61 kDa which is strongly bound to its physiological electron donor, a smaller hydrophobic polypeptide tetrahemic of 19 kDa, composed of 4 c-types hemes; in vitro, the protein complexes associate each other forming huge aggregates (min. 890 kDa). | ||
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