isoamylasa [Isoamylase]

tematický
5
Termíny

isoamyláza
izoamyláza

Perzistentní odkaz   https://www.medvik.cz/link/D007517
Definice

Enzym, který hydrolyzuje větvené 1,6-alfa-glukosidové vazby v glykogenu, amylopektinu a v jejich beta-limitních dextrinech. Od pullulanázy (EC 3.2.1.41) se liší neschopností působit na pullulan a slabým účinkem na alfa-limitní dextriny. Od amylopektinové 6-glukanohydrolázy (EC 3.2.1.69) se liší svým účinkem na glykogen. S EC 3.2.1.69 účinkuje jako „odvětvující enzym“. EC 3.2.1.68.

An enzyme that hydrolyzes 1,6-alpha-glucosidic branch linkages in glycogen, amylopectin, and their beta-limit dextrins. It is distinguished from pullulanase (EC 3.2.1.41) by its inability to attack pullulan and by the feeble action of alpha-limit dextrins. It is distinguished from amylopectin 6-glucanohydrolase (EC 3.2.1.69) by its action on glycogen. With EC 3.2.1.69, it produces the activity called debranching enzyme. EC 3.2.1.68.

Anotace
do not confuse with amylase isoenzymes (index under AMYLASES (IM) + ISOENZYMES (IM) )
DUI
D007517 MeSH Prohlížeč
CUI
M0011746
CAS
Glycogen 6-glucanohydrolase
Předchozí užití
Glycoside Hydrolases (1974); Polysaccharides (1974)
Historická pozn.
91(75); was see under GLYCOSIDE HYDROLASES 1975-90
Veřejná pozn.
91; was see under GLYCOSIDE HYDROLASES 1975-90

D Chemikálie a léčiva
D08.811 enzymy 1 547
D08.811.277 hydrolasy 475
D08.811.277.450 glykosidhydrolasy 89
D08.811.277.450.050 alfa-L-fukosidasa 6
D08.811.277.450.066 amylasy 286
D08.811.277.450.114 invertasa 10
D08.811.277.450.207 chitinasy 53
D08.811.277.450.283 dextranasa
D08.811.277.450.329 disacharidasy 27
D08.811.277.450.410 galaktosidasy 45
D08.811.277.450.420 glukosidasy 46
D08.811.277.450.426 glukuronidasa 101
D08.811.277.450.430 N-glykosylhydrolasy 6
D08.811.277.450.483 hexosaminidasy 55
D08.811.277.450.529 hyaluronoglukosaminidasa 147
D08.811.277.450.560 iduronidasa 6
D08.811.277.450.585 isoamylasa 5
D08.811.277.450.625 mannosidasy 10
D08.811.277.450.642 muramidasa 219
D08.811.277.450.692 neuraminidasa 124
D08.811.277.450.770 oligo-1,6-glukosidasa 1
D08.811.277.450.800 polygalakturonasa 20
D08.811.277.450.950 xylosidasy 11
D09 sacharidy 723
D10 lipidy 2 524

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