2.4.1.140: alternansucrase
This is an abbreviated version!
For detailed information about alternansucrase, go to the full flat file.
Word Map on EC 2.4.1.140
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2.4.1.140
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leuconostoc
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mesenteroides
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lactobacillus
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dextrans
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glucosylated
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dextransucrase
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prebiotic
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citreum
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gluco-oligosaccharides
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reuteransucrase
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reuteran
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glucosyltransferases
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weissella
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confusa
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levansucrase
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cibaria
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alpha-d-glucans
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glucan-binding
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downei
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homopolysaccharide
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fructansucrase
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transglucosylation
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alpha-1,6
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synthesis
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drug development
- 2.4.1.140
- leuconostoc
- mesenteroides
- lactobacillus
- dextrans
-
glucosylated
- dextransucrase
-
prebiotic
- citreum
- gluco-oligosaccharides
-
reuteransucrase
-
reuteran
-
glucosyltransferases
- weissella
- confusa
- levansucrase
- cibaria
- alpha-d-glucans
-
glucan-binding
- downei
-
homopolysaccharide
- fructansucrase
-
transglucosylation
-
alpha-1,6
- synthesis
- drug development
Reaction
+ 2 sucrose = + 2 beta-D-fructofuranose
Synonyms
alternansucrase, ASR, glucansucrase, glucosyltransferase, sucrose-1,6(3)-alpha-glucan 6(3)-alpha-, Lcalt, sucrose:1,6-, 1,3-alpha-D-glucan 3-alpha- and 6-alpha-D-glucosyltransferase
ECTree
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Engineering
Engineering on EC 2.4.1.140 - alternansucrase
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additional information
generation of a truncated version of alternansucrase, mutant ASRDELTA2 (ASR (Met1-Ala2057)), three-dimensional structure determination and analysis. Unusual repeated sequences named APY repeats are identified at the C-terminal end of the protein. Their deletion in the mutant ASR C-APY-del (Met1-Gly1425) does not impact the product profile but significantly increases the enzyme half-life time at 50°C by 5fold compared to the full-length ASR. Generation of several truncated forms: ASRDELTA2, ASRDELTA3, ASRDELTA4, and ASRDELTA5, which are deleted, respectively, of the signal peptide (Met1-His38), one predicted disordered region (Met1-Asp78), two predicted disordered regions (Met1-Pro152), and the entire domain V (Met1-Ser398 and Gln1305-Gly1425). Domain organization of ASR truncated mutants, catalytic sites and domain properties of wild-type and mutant enzymes, detailed overview
additional information
Leuconostoc citreum NRRL B-1355
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generation of a truncated version of alternansucrase, mutant ASRDELTA2 (ASR (Met1-Ala2057)), three-dimensional structure determination and analysis. Unusual repeated sequences named APY repeats are identified at the C-terminal end of the protein. Their deletion in the mutant ASR C-APY-del (Met1-Gly1425) does not impact the product profile but significantly increases the enzyme half-life time at 50°C by 5fold compared to the full-length ASR. Generation of several truncated forms: ASRDELTA2, ASRDELTA3, ASRDELTA4, and ASRDELTA5, which are deleted, respectively, of the signal peptide (Met1-His38), one predicted disordered region (Met1-Asp78), two predicted disordered regions (Met1-Pro152), and the entire domain V (Met1-Ser398 and Gln1305-Gly1425). Domain organization of ASR truncated mutants, catalytic sites and domain properties of wild-type and mutant enzymes, detailed overview
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