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4.2.2.3: mannuronate-specific alginate lyase

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

Word Map on EC 4.2.2.3

Reaction

R2-beta-D-mannuronic acid-R1
=
R2-OH
 +
4-deoxy-alpha-L-erythro-hex-4-enopyranuronosyl-R1

Synonyms

(poly alpha-l-guluronate) lyase, A1 alginate lyase, A1-II, A1-III, A1-IV', A1m, A1mU, A9mC, A9mL, A9mT, AAlyase, AkAly30, AL2, alg, ALG-5, Alg-A, Alg17C, Alg2A, Alg7D, AlgA, AlgB, AlgE7, AlgI, alginase I, alginate lyase, alginate lyase A, alginate lyase A1-II, alginate lyase A1-II', alginate lyase A1-III, alginate lyase AlyPEEC, alginate lyase Atu3025, alginate lyase B, alginate lyase C, alginate lyase I, alginate lyase VI, alginate lyase1-III, AlgL, ALY, ALY-1, Aly-SJ02, Aly1, Aly2, Aly28, Aly30, Aly32, Aly33, Aly35, Aly7B, AlyA, AlyA1, AlyA2, AlyA3, AlyA5, AlyB, AlyDW11, ALYIII, alyPEEC, AlyPI, AlyPM, AlyQ, AlyV5, AlyVI, Atu3025, AXE80_11190, CL2, EC 4.2.99.4, endo-type alginate lyase, endolytic poly(M) lyase, endolytic polymannuronate lyase, exotype alginate lyase, HdAlex, hdalex-1, HdAly, KJ-2 alginate lyase, LbAly28, lyase AlyA, lyase, alginate, Lysis protein, M block-specific polymannuronate lyase, mannuronate alginate lyase, MJ-3 alginate lyase, More, MY04_2544, NIS_0185, Oal17A, oligoalginate lyase, PL-5 alginate lyase, PM lyase, poly(1,4-beta-D-mannuronide) lyase, poly(beta-D-1,4-mannuronide) lyase, Poly(beta-D-mannuronate) lyase, poly(M) lyase, poly(M)lyase, Poly(mana) alginate lyase, poly(mana)alginate lyase, polymannuronate lyase, polyMG-specific alginate lyase, protein PA1167, SP2, V12B01_24254, V12B01_24259, WP_053404615

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.2 Acting on polysaccharides
                4.2.2.3 mannuronate-specific alginate lyase

Temperature Range

Temperature Range on EC 4.2.2.3 - mannuronate-specific alginate lyase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
10 - 45
temperature profile, overview
10 - 60
-
activity range
15 - 35
-
15°C: about 70% of maximal activity, 35°C: about 40% of maximal activity
20 - 50
-
20°C: about 60% of maximal activity, 50°C: about 40% of maximal activity
20 - 60
-
20°C: about 55% of maximal activity, 60°C: about 50% of maximal activity
20 - 70
20 - 80
23 - 37
-
-
25
-
isoform C, 54% of maximum activity
25 - 40
25 - 45
25°C: about 55% of maximal activity, 45°C: about 65% of maximal activity
25 - 60
3 - 65
-
assay range
30
-
30% of maximum activity
30 - 45
30 - 50
30 - 65
30°C: about 50% of maximal activity, 65°C: about 55% of maximal activity
4 - 50
-
assay range, 80% of maximal activity at 20°C and 45°C, activity is completely lost at 50°C
40 - 50
-
maximal activity, however it is shown that alginase quickly loses its catalytic capability when the temperature is above 45°C
5
19% of maximum activity