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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

Specific Activity

Specific Activity on EC 5.3.1.5 - xylose isomerase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.00001
0.00323
-
Escherichia coli K-12, control, expression analysis
0.006
-
with D-glucose as substrate
0.0076
-
native enzyme in cell extract
0.008
-
with D-glucose as substrate
0.00933
-
Pgap-xylA/xylB-Pgap-tal/tktA, expression analysis
0.00978
-
Pgap-xylA/xylB-Peno-tal/tktA, expression analysis
0.012
-
transformant delta-xyl1No.4(pEc)No.2b
0.013
-
transformant delta-xyl1No.4(pEc)No.2a
0.014
-
transformant delta-xyl1No.4(pScoel)No.4
0.015
-
transformant delta-xyl1No.4(pScoel)No.12
0.017
0.034
-
Pseudomonas putida S12 strain xylAB containing xylose isomerase and xylulokinase gene from Escherichia coli
0.0344
-
recombinant enzyme in yeast cell extract
0.04
-
Saccharomyces cerevisiae overexpressing xylose isomerase from Thermus thermophilus, 30°C
0.042
-
+/-0.003, DELTAxyl1 DELTAxyl2-A(EcxylA) No. 1
0.0455
-
Pgap-xylA/xylB-Pgap-tal/tktA, carbon source: glucose
0.047
-
+/-0.003, DELTAxyl1 DELTAxyl2-A(EcxylA) No. 2
0.05
-
+/-0.004, DELTAxyl1 DELTAxyl2-A(EcxylA) No. 4L/3
0.065
-
Escherichia coli wild-type
0.0653
-
Pgap-xylA/xylB-Pgap-tal/tktA, carbon source: xylose
0.151
-
+/-0.009, DELTAxyl1 DELTAxyl2-A DELTAxyl2-B (EcxylA HpXYL3)
0.152
-
+/-0.009, DELTAxyl1 DELTAxyl2-A DELTAxyl2-B (EcxylA) No. 1
0.18
-
CRX1, grown on glucose, aerobic
0.188
-
+/-0.010, DELTAxyl1 DELTAxyl2-A DELTAxyl2-B (EcxylA) No. 2
0.209
-
+/-0.011, Escherichia coli, control strain
0.22
-
enzyme production in the presence of D-glucose
0.26
-
CRX1, grown on xylose, aerobic
0.27
-
CRX2, grown on xylose, anaerobic, aerobic-phase culture Xyl
0.29
-
CRX2, grown on glucose, anaerobic, aerobic-phase culture Xyl
0.3
-
CRX2, grown on xylose, anaerobic, aerobic-phase culture Glc
0.31
-
CRX2, grown on glucose, anaerobic, aerobic-phase culture Glc
0.35
-
CRX2, grown on glucose, aerobic
0.47
-
enzyme production in the presence of D-xylose
0.57
-
using D-glucose as substrate, at pH 5.0 and 65°C
0.6
-
recombinant enzyme
0.71
-
enzyme production in the presence of D-xylose
0.73
-
enzyme production in the presence of sucrose
0.81
-
enzyme production in the presence of D-glucose
0.82
-
+/-0.01, recombinant Saccharomyces cerevisiae strain TMB 3066
1
-
Saccharomyces cerevisiae overexpressing xylose isomerase from Thermus thermophilus, 85°C
1.46
wild-type strain
1.63
-
crude extract
1.69
-
crude extract
132
wild type enzyme, with L-arabinose as substrate, at pH 7.0 and 85°C
17
after 6fold purification, at pH 7.0 and 85°C
2.2
-
purified recombinant enzyme
2.44
recombinant overexpressing mutant strain
204
-
pH 7.5, 70°C
266.4
273
wild type enzyme, with D-mannose as substrate, at pH 7.0 and 85°C
3
crude extract, at pH 7.0 and 85°C
330
mutant enzyme D256R, with L-arabinose as substrate, at pH 7.0 and 85°C
380
wild type enzyme, with D-lyxose as substrate, at pH 7.0 and 85°C
682
mutant enzyme D256R, with D-mannose as substrate, at pH 7.0 and 85°C
950
mutant enzyme D256R, with D-lyxose as substrate, at pH 7.0 and 85°C
additional information