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Literature summary for 2.4.1.19 extracted from

  • Fujita, Y.; Tsubouchi, H.; Inagi, Y.; Tomita, K.; Ozaki, A.; Nakanishi, K.
    Purification and properties of cyclodextrin glycosyltransferase from Bacillus sp. AL-6 (1990), J. Ferment. Bioeng., 70, 150-154.
No PubMed abstract available

Activating Compound

Activating Compound Comment Organism Structure
EDTA 80 mM, relative activity 117% Bacillus sp. (in: Bacteria)
ethanol
-
Niallia circulans
ethanol
-
Paenibacillus macerans
ethanol enhances the formaton of gamma-cyclodextrin Bacillus sp. (in: Bacteria)
p-chloromercuribenzoic acid 80 mM, relative activity 118% Bacillus sp. (in: Bacteria)
phenylmethylsulfonyl fluoride 80 mM, relative activity 114% Bacillus sp. (in: Bacteria)

General Stability

General Stability Organism
relatively stable to Hg2+ Bacillus sp. (in: Bacteria)

Inhibitors

Inhibitors Comment Organism Structure
(NH4)6Mo7O24
-
Bacillus sp. (in: Bacteria)
Cu2+ CuSO4 Bacillus sp. (in: Bacteria)
Fe2+ FeSO4 Bacillus sp. (in: Bacteria)
Mo6+
-
Bacillus sp. (in: Bacteria)
Zn2+ ZnSO4 Bacillus sp. (in: Bacteria)

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+
-
Niallia circulans
Ca2+
-
Paenibacillus macerans
Ca2+ 4 mM CaCl2, relative activity 106% Bacillus sp. (in: Bacteria)
K+ 80 mM KCl, relative activity 112% Bacillus sp. (in: Bacteria)
Na+ 80 mM NaCl, relative activity 110% Bacillus sp. (in: Bacteria)

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
74000
-
-
Paenibacillus macerans
74000
-
gel filtration, SDS-PAGE Bacillus sp. (in: Bacteria)

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
soluble starch + glycosyl acceptor Paenibacillus macerans
-
Schardinger dextrins
-
r

Organism

Organism UniProt Comment Textmining
Bacillus sp. (in: Bacteria)
-
AL-6
-
Bacillus sp. (in: Bacteria) AL-6
-
AL-6
-
Bacillus subtilis
-
no.313
-
Bacillus subtilis 313
-
no.313
-
Niallia circulans
-
B. sp. var. alkalophilus No. 38-2, ATCC 21783
-
Paenibacillus macerans
-
-
-
Priestia megaterium
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Bacillus sp. (in: Bacteria)

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
877.9
-
strain Al-6 Bacillus sp. (in: Bacteria)

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
potato starch + glycosyl acceptor
-
Bacillus sp. (in: Bacteria) gamma-cyclodextrin + beta-cyclodextrin
-
r
potato starch + glycosyl acceptor
-
Bacillus sp. (in: Bacteria) AL-6 gamma-cyclodextrin + beta-cyclodextrin
-
r
soluble starch + glycosyl acceptor
-
Paenibacillus macerans Schardinger dextrins
-
r
soluble starch + glycosyl acceptor
-
Bacillus sp. (in: Bacteria) beta-cyclodextrin + gamma-cyclodextrin
-
r
soluble starch + glycosyl acceptor
-
Niallia circulans beta-cyclodextrin + gamma-cyclodextrin
-
r
soluble starch + glycosyl acceptor
-
Bacillus sp. (in: Bacteria) AL-6 beta-cyclodextrin + gamma-cyclodextrin
-
r
soluble starch + glycosyl acceptor
-
Bacillus sp. (in: Bacteria) gamma-cyclodextrin
-
r
soluble starch + glycosyl acceptor
-
Paenibacillus macerans gamma-cyclodextrin
-
?
soluble starch + glycosyl acceptor strain no.313 Bacillus subtilis gamma-cyclodextrin
-
r
soluble starch + glycosyl acceptor
-
Bacillus sp. (in: Bacteria) AL-6 gamma-cyclodextrin
-
r
soluble starch + glycosyl acceptor strain no.313 Bacillus subtilis 313 gamma-cyclodextrin
-
r

Subunits

Subunits Comment Organism
monomer
-
Niallia circulans
monomer
-
Paenibacillus macerans
monomer 1 * 74000, SDS-PAGE Bacillus sp. (in: Bacteria)

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
55
-
-
Priestia megaterium
55
-
-
Niallia circulans
55
-
-
Paenibacillus macerans
55
-
strain AL-6, starch dextrinizing Bacillus sp. (in: Bacteria)
60
-
-
Niallia circulans
60
-
-
Paenibacillus macerans
60
-
strain AL-6, cyclodextrin forming Bacillus sp. (in: Bacteria)

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
quite stable at pH 5.0-8.0 for 3 h Bacillus sp. (in: Bacteria)

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 10 strain AL-6 Bacillus sp. (in: Bacteria)
7.5 10.5 strain AL-6, cyclodextrin forming Bacillus sp. (in: Bacteria)
8
-
-
Bacillus subtilis
8
-
strain AL-6, starch dextrinizing Bacillus sp. (in: Bacteria)

pH Range

pH Minimum pH Maximum Comment Organism
5 8
-
Paenibacillus macerans
5 8 AL-6, quite stable at 40°C for 3 h Bacillus sp. (in: Bacteria)

pH Stability

pH Stability pH Stability Maximum Comment Organism
5 8 quite stable at 40°C for 3 h Bacillus sp. (in: Bacteria)