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4.2.2.7: heparin lyase

This is an abbreviated version!
For detailed information about heparin lyase, go to the full flat file.

Word Map on EC 4.2.2.7

Reaction

Eliminative cleavage of polysaccharides containing (1->4)-linked D-glucuronate or L-iduronate residues and (1->4)-alpha-linked 2-sulfoamino-2-deoxy-6-sulfo-D-glucose residues to give oligosaccharides with terminal 4-deoxy-alpha-D-gluc-4-enuronosyl groups at their non-reducing ends =

Synonyms

Hep III, HepA, heparin degrading enzyme, Heparin eliminase, heparin lyase, heparin lyase 1, heparin lyase I, heparin lyase II, Heparinase, heparinase I, heparinase II, heparitinase II, heparitinase III, HepI, HepII, HepP, HMPREF1016_02668, Lyase, heparin, PA14_23430, Pedsa_1818, PL12a

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.2 Acting on polysaccharides
                4.2.2.7 heparin lyase

Temperature Stability

Temperature Stability on EC 4.2.2.7 - heparin lyase

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
15
-
30 min, stable
28
-
purified native enzyme, catalytic activity after about 72 h shows a loss of 40.4% in activity
35
-
30 min, rapid inactivation at 35°C or above
40
-
rapid loss of activity above, more than 25% loss of activity after 20 min
60
melting temperature, presence of 10 mM Mg2+