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1.17.4.4: vitamin-K-epoxide reductase (warfarin-sensitive)

This is an abbreviated version!
For detailed information about vitamin-K-epoxide reductase (warfarin-sensitive), go to the full flat file.

Word Map on EC 1.17.4.4

Reaction

phylloquinol
+
a protein with a disulfide bond
=
phylloquinone
+
a protein with reduced L-cysteine residues

Synonyms

EC 1.1.4.1, phylloquinone epoxide reductase, reductase, phylloquinone epoxide, vitamin K 2,3-epoxide reductase, vitamin K 2,3-epoxide reductase complex subunit 1, vitamin K 2,3-epoxide reductase complex subunit-1, vitamin K epoxid reductase, vitamin K epoxide reductase, vitamin K epoxide reductase complex subunit 1, vitamin K oxidoreductase, Vitamin K reductase, vitamin K-2,3-epoxide reductase, vitamin K-2,3-epoxide reductase subunit 1, vitamin K-epoxide reductase, vitamin K1 epoxide reductase, vitaminK epoxide reductase, VKOR, VKOR complex, VKORC1, VKORC1 variant 2, VKORC1-like 1, VKORC1L1, VKORC1v2, warfarin sensitive vitamin K 2,3-epoxide reductase, warfarin-sensitive vitamin K1 2,3-epoxide reductase

ECTree

     1 Oxidoreductases
         1.17 Acting on CH or CH2 groups
             1.17.4 With a disulfide as acceptor
                1.17.4.4 vitamin-K-epoxide reductase (warfarin-sensitive)

Crystallization

Crystallization on EC 1.17.4.4 - vitamin-K-epoxide reductase (warfarin-sensitive)

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CRYSTALLIZATION (Commentary)
ORGANISM
UNIPROT
LITERATURE
sitting-drop vapor-diffusion method, the structure of the mutant enzyme Cys50Ala at 2.8 A resolution allows a detailed analysis of an intramembrane enzyme that generates disulfide bonds. In the active site, a continuous electron density connects the thiol group of Cys133 with the C1 atom of the quinone ring. The Cys212Ala structure suggests that the transfer of electrons to the active site is an one-electron process