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Literature summary for 5.1.3.3 extracted from

  • Toyoda, Y.; Miwa, I.; Okuda, J.
    Multiple forms of mutarotases from the kidney, liver, and small intestine of rats: purification, properties, subcellular localization and developmental changes (1983), J. Biochem., 94, 421-431.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
2
-
alpha-D-Fucose alpha-D-xylose, enzyme form II from kidney and liver Rattus norvegicus
5
-
alpha-D-glucose alpha-D-xylose, enzyme form I and II from small intestine Rattus norvegicus
8
-
alpha-D-xylose enzyme form IV from liver Rattus norvegicus
9
-
alpha-D-xylose enzyme form IV from kidney Rattus norvegicus
10
-
alpha-D-galactose enzyme form III from kidney, enzyme form I and II from small intestine Rattus norvegicus
11
-
alpha-D-galactose enzyme form IV from kidney Rattus norvegicus
12
-
alpha-D-glucose beta-L-arabinose, enzyme form I from kidney, enzyme form III from liver Rattus norvegicus
12
-
alpha-D-glucose alpha-D-galactose, enzyme form I from kidney Rattus norvegicus
13
-
D-fucose alpha-D-galactose, enzyme form IV from liver Rattus norvegicus
13
-
D-fucose beta-L-arabinose, enzyme form III from kidney Rattus norvegicus
14
-
alpha-D-galactose alpha-D-xylose, enzyme form I2 from liver, enzyme form I from kidney Rattus norvegicus
14
-
alpha-D-galactose enzyme form III from liver Rattus norvegicus
15
-
D-glucose beta-L-arabinose, enzyme form IV from liver, enzyme form I and II from small intestine Rattus norvegicus
15
-
D-glucose alpha-D-galactose, enzyme form II from kidney, enzyme form I1 from liver Rattus norvegicus
15
-
D-glucose alpha-D-xylose, enzyme form I1 from liver Rattus norvegicus
16
-
alpha-D-galactose enzyme form II from liver Rattus norvegicus
17
-
alpha-D-galactose beta-L-arabinose, enzyme form II from kidney, enzyme form I1 from liver Rattus norvegicus
17
-
alpha-D-galactose alpha-D-xylose, enzyme form III from kidney and liver Rattus norvegicus
17
-
alpha-D-galactose enzyme form I2 from liver Rattus norvegicus
18
-
beta-D-arabinose enzyme form I2 from liver Rattus norvegicus
19
-
alpha-D-glucose beta-L-arabinose, enzyme form II from liver Rattus norvegicus
30
-
alpha-D-glucose enzyme form I from kiney, enzyme form I1 from liver, enzyme form IV from liver Rattus norvegicus
31
-
alpha-D-glucose enzyme form I2 from liver, enzyme form I and II from small intestine Rattus norvegicus
33
-
alpha-D-glucose enzyme form IV from kidney, enzyme form III from liver Rattus norvegicus
34
-
alpha-D-glucose enzyme form II from kidney and liver Rattus norvegicus
35
-
alpha-D-glucose enzyme form II from kidney Rattus norvegicus

Localization

Localization Comment Organism GeneOntology No. Textmining
nucleus of liver parenchymal cells and small intestine mucosal cells Rattus norvegicus 5634
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41000
-
x * 41000, enzyme form II from kidney and liver, SDS-PAGE Rattus norvegicus
41300
-
x * 41300, enzyme form I1 and I2 from liver, SDS-PAGE Rattus norvegicus
41800
-
x * 41800, enzyme form I from kidney, SDS-PAGE Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
enzyme form I and II from kidney and enzyme form II from liver Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
kidney adult animals, 4 enzyme forms: I, II, III, and IV. Enzyme activity increases gradually after birth and reaches a maximum near adult level within 20 days Rattus norvegicus
-
liver parenchymal cells, adult animals, 4 enzyme forms: I, II, III, and IV. Enzyme form I is separated into type I1 and I2. Enzyme activity increases gradually after birth and reaches a maximum near adult level within 20 days Rattus norvegicus
-
small intestine mucosal cells, 10-day-old rats: 4 enzyme forms, I-IV. Adult rats: 2 enzyme forms, I and II, enzyme activity in suckling rats is several times higher than that of adult rats Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
16.3
-
enzyme form I, small intestine Rattus norvegicus
35.8
-
enzyme form II, small intestine Rattus norvegicus
510
-
enzyme form II, kidney Rattus norvegicus
512
-
enzyme form I, kidney Rattus norvegicus
709
-
enzyme form II, liver Rattus norvegicus
720
-
enzyme form I1, liver Rattus norvegicus
745
-
enzyme form I2, liver Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
alpha-D-fucose
-
Rattus norvegicus beta-D-fucose
-
?
alpha-D-galactose
-
Rattus norvegicus beta-D-galactose
-
?
alpha-D-glucose
-
Rattus norvegicus beta-D-glucose
-
?
alpha-D-xylose
-
Rattus norvegicus beta-D-xylose
-
?
alpha-L-arabinose
-
Rattus norvegicus beta-L-arabinose
-
?
beta-D-arabinose
-
Rattus norvegicus alpha-D-arabinose
-
r
D-Fucose
-
Rattus norvegicus ?
-
?
D-glucose
-
Rattus norvegicus ?
-
?

Subunits

Subunits Comment Organism
? x * 41000, enzyme form II from kidney and liver, SDS-PAGE Rattus norvegicus
? x * 41800, enzyme form I from kidney, SDS-PAGE Rattus norvegicus
? x * 41300, enzyme form I1 and I2 from liver, SDS-PAGE Rattus norvegicus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35 38
-
Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
stable up to, enzyme form I and II from kidney liver and small instetine Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 7.5 enzyme form I and II from kidney, enzyme form I2 and II from liver, enzyme form I and II from small intestine Rattus norvegicus