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Thiazole synthase

Class of enzymes


Class of enzymes

FieldValue
NameThiazole synthase
EC_number2.8.1.10
image4y4l.jpg
width270
captionThiazole synthase oktamer, Saccharomyces cerevisiae

Thiazole synthase (, thiG (gene)) is an enzyme with systematic name 1-deoxy-D-xylulose 5-phosphate:thiol sulfurtransferase. This enzyme catalyses the following chemical reaction

: 1-deoxy-D-xylulose 5-phosphate + 2-iminoacetate + thiocarboxy-adenylate-[sulfur-carrier protein ThiS] \rightleftharpoons 2-[(2R,5Z)-2-carboxy-4-methylthiazol-5(2H)-ylidene]ethyl phosphate + [sulfur-carrier protein ThiS] + 2 H2O

H2S can provide the sulfur in vitro.

References

References

  1. (October 2003). "Biosynthesis of the thiazole moiety of thiamin pyrophosphate (vitamin B1)". Biochemistry.
  2. (October 2004). "The biosynthesis of the thiazole phosphate moiety of thiamin: the sulfur transfer mediated by the sulfur carrier protein ThiS". Chemistry & Biology.
  3. (March 2004). "The biosynthesis of the thiazole phosphate moiety of thiamin (vitamin B1): the early steps catalyzed by thiazole synthase". Journal of the American Chemical Society.
  4. (September 2004). "Thiamin biosynthesis in Bacillus subtilis: structure of the thiazole synthase/sulfur carrier protein complex". Biochemistry.
  5. (March 2009). "Biosynthesis of the thiamin thiazole in Bacillus subtilis: identification of the product of the thiazole synthase-catalyzed reaction". Journal of the American Chemical Society.
  6. (June 2011). "A missing enzyme in thiamin thiazole biosynthesis: identification of TenI as a thiazole tautomerase". Journal of the American Chemical Society.
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