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1.8.5.8: eukaryotic sulfide quinone oxidoreductase

This is an abbreviated version!
For detailed information about eukaryotic sulfide quinone oxidoreductase, go to the full flat file.

Reaction

hydrogen sulfide
+
glutathione
+
a quinone
=
S-sulfanylglutathione
+
a quinol

Synonyms

glutathione:CoQ reductase, HMT2, ScSQR, SQOR, SQR, Sqrdl, sulfide : quinone oxidoreductase, sulfide quinone oxidoreductase, sulfide:quinone oxidoreductase

ECTree

     1 Oxidoreductases
         1.8 Acting on a sulfur group of donors
             1.8.5 With a quinone or similar compound as acceptor
                1.8.5.8 eukaryotic sulfide quinone oxidoreductase

Subunits

Subunits on EC 1.8.5.8 - eukaryotic sulfide quinone oxidoreductase

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SUBUNIT
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
additional information
human SQOR comprises two tandem Rossmann fold domains and a C-terminal domain containing two helices (denoted the C-terminal and penultimate C-terminal helices). FAD is noncovalently bound in an extended conformation and is in the oxidized state. The first Rossmann fold starts near the N-terminus and binds the ADP portion of FAD. The second Rossmann fold is closer to the isoalloxazine ring of FAD but is mostly positioned at least 10 A away from the flavin ring with one notable exception. SQOR quaternary structure, detailed overview