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5.3.1.5: xylose isomerase

This is an abbreviated version!
For detailed information about xylose isomerase, go to the full flat file.

Word Map on EC 5.3.1.5

Reaction

alpha-D-xylopyranose
=
alpha-D-xylufuranose

Synonyms

D-XI, D-xylose aldose-ketose-isomerase, D-xylose isomerase, D-Xylose ketoisomerase, D-xylose ketol isomerase, D-xylose ketol-isomerase, D-xylose: ketol-isomerase, D-xylulose keto-isomerase, glucose isomerase, glucose/xylose isomerase, GXI, Isomerase, xylose, Maxazyme, Optisweet, SDXyI, Spezyme, Sweetase, Sweetzyme, Sweetzyme Q, Swetase, T80 xylose isomerase, TcaXI, TNXI, TthXI, XI, XYLA, XylC, xylose (glucose) isomerase, xylose isomerase

ECTree

     5 Isomerases
         5.3 Intramolecular oxidoreductases
             5.3.1 Interconverting aldoses and ketoses, and related compounds
                5.3.1.5 xylose isomerase

Temperature Range

Temperature Range on EC 5.3.1.5 - xylose isomerase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
25 - 85
-
temperature profile, overview
30 - 70
-
30°C: about 45% of maximal activity, 70°C: about 10% of maximal activity
40 - 80
-
40°C: about 40% of maximal activity, 80°C, about 30% of maximal activity
40 - 90
temperature profiles of recombinant mutant enzymes, overview
50 - 60
50 - 70
-
50°C: about 55% of maximal activity, 70°C: about 65% of maximal activity
50 - 80
-
about 30% activity at 50 and 80°C and about 85% activity at 60 and 70°C
55 - 95
about 52% activity at 55°C, about 65% activity at 60°C, about 75% activity at 65°C, about 78% activity at 70°C, about 85% activity at 75°C, about 95% activity at 80°C, about 78% activity at 90°C, and about 52% activity at 95°C
60 - 80
74
-
activity decreases dramatically above 74°C