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4.2.2.11: guluronate-specific alginate lyase

This is an abbreviated version!
For detailed information about guluronate-specific alginate lyase, go to the full flat file.

Word Map on EC 4.2.2.11

Reaction

[alpha-1,4-L-guluronate]n
=
alpha-L-guluronate
+
4-deoxy-alpha-L-erythro-hex-4-enuronosyl-[alpha-1,4-L-guluronate]n-2

Synonyms

A1m, A9mC, A9mL, A9mT, Alg17C, Alg2A, Alg7D, AlgB, alginase II, alginate (poly-alpha-L-guluronate) lyase, alginate lyase, AlgL, AlgL5, AlgMytC, alkaliphilic alginate lyase, ALY, Aly-SJ02, Aly1, Aly5, AlyA, AlyA1PL7, AlyA5, AlyD, AlyDW11, AlyE, AlyQ, AlyV5, AXE80_11190, endo-type alginate lyase, guluronate lyase, KJ-2 alginate lyase, L-guluronan lyase, L-guluronate lyase, lyase, polyguluronate, Oal17A, oligoalginate lyase, poly(1,4-alpha-L-guluronide)lyase, poly(alpha-L-guluronate) lyase, poly-alpha-L-guluronate lyase, polyguluronate-specific alginate lyase, polyMG-specific alginate lyase, V12B01_09446, V12B01_24274, WP_053404615, xadAly7B

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.2 Acting on polysaccharides
                4.2.2.11 guluronate-specific alginate lyase

Renatured

Renatured on EC 4.2.2.11 - guluronate-specific alginate lyase

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RENATURED/Commentary
ORGANISM
UNIPROT
LITERATURE
6M urea collapses the circular dicroic spectral bands of the native enzyme caused by aromatic amino acids side chains and causes dissapearance of the enzyme activity, removal of the denaturant by dialysis restored the native-like spectrum and the activity, but some parts of the enzyme conformation are defective in the renaturation conditions
-
enzyme is not thermotolerant, but can refold to its active form following an almost complete denaturation at approximately 60°C
-
solubilization of enzyme from inclusion bodies by 8 M urea in Tris-HCl, pH 8.0