3.2.1.157: iota-carrageenase
This is an abbreviated version!
For detailed information about iota-carrageenase, go to the full flat file.
Word Map on EC 3.2.1.157
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3.2.1.157
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fortis
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alteromonas
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glycoside
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iota-carrageenans
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oligosaccharide
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zobellia
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polysaccharide
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hydrolases
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tetrasaccharide
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eucheuma
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kappa-carrageenases
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right-handed
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kappa
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algal
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galactanivorans
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beta-helix
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cellulophaga
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disaccharide
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lambda-carrageenan
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kappa-carrageenan
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polysaccharidases
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synthesis
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analysis
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industry
- 3.2.1.157
- fortis
- alteromonas
- glycoside
- iota-carrageenans
- oligosaccharide
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zobellia
- polysaccharide
- hydrolases
- tetrasaccharide
- eucheuma
- kappa-carrageenases
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right-handed
- kappa
-
algal
- galactanivorans
-
beta-helix
- cellulophaga
- disaccharide
- lambda-carrageenan
- kappa-carrageenan
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polysaccharidases
- synthesis
- analysis
- industry
Reaction
4-O-sulfonato-beta-D-galactopyranosyl-(1-4)-3,6-anhydro-2-O-sulfonato-alpha-D-galactopyranosyl-(1-3)-4-O-sulfonato-beta-D-galactopyranosyl-(1-4)-3,6-anhydro-2-O-sulfonato-alpha-D-galactopyranosyl-(1-3)-4-O-sulfonato-beta-D-galactopyranosyl-(1-4)-3,6-anhyd =
Synonyms
AXE80_00300, Cgi, Cgi82A, CgiA, cgiA2, cgiB, CgiB_Ce, cgiF, endo-type iota-carrageenase, GH82 iota-carrageenase, iota-carrageenase, iotase, zobellia_4265
ECTree
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Metals Ions
Metals Ions on EC 3.2.1.157 - iota-carrageenase
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Ba2+
Ca2+
Cs+
in the presence of 0.1 M CsCl, 63% of maximal activity is observed
Fe2+
K+
Li+
Mg2+
Mn2+
Na+
NaCl
additional information
Alteromonas fortis
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enzyme contains three calcium binding sites involved in stabilizing the enzyme structure
K+
in the presence of 0.1 M KCl, 86% of maximal activity is observed
Li+
in the presence of 0.1 M LiCl, 42% of maximal activity is observed
Na+
the enzyme requires the Na+ ion for full activity, maximal activity is observed in the presence of 0.1 M NaCl. In buffer containing 10 mM NaCl, the enzyme activity decreases to 28% during 16 h incubation on ice
although its activity is enhanced by NaCl, the enzyme is active in the absence of NaCl
NaCl
absolutely required for activity, maximal activity at 0.2 M, about 70% of maximal activity at 0.1 M, 60% at 1.0 M
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poor effect by Li+, Cd2+, and Mg2+ at 1 mM