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Literature summary for 4.2.1.70 extracted from

  • Matsushita, T.; Davis, F.F.
    Studies on pseudouridylic acid synthetase from various sources (1971), Biochim. Biophys. Acta, 238, 165-173.
    View publication on PubMed

Inhibitors

Inhibitors Comment Organism Structure
p-chloromercuribenzoate
-
Agrobacterium tumefaciens
p-chloromercuribenzoate
-
Nicotiana glauca

Organism

Organism UniProt Comment Textmining
Agrobacterium tumefaciens
-
B6-6 (ATCC)
-
Agrobacterium tumefaciens B6-6
-
B6-6 (ATCC)
-
Bos taurus
-
calf
-
Brassica oleracea
-
var. italica
-
Lolium perenne
-
rye grass
-
Nicotiana glauca
-
normal and with Agrobacterium tumefaciens transformed tissue
-
Saccharomyces cerevisiae
-
-
-
Spinacia oleracea
-
spinach
-

Source Tissue

Source Tissue Comment Organism Textmining
stem
-
Nicotiana glauca
-
thymus
-
Bos taurus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Saccharomyces cerevisiae
additional information
-
-
Agrobacterium tumefaciens
additional information
-
-
Nicotiana glauca

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
uracil + D-ribose 5-phosphate
-
Saccharomyces cerevisiae pseudouridine 5'-phosphate + H2O
-
?
uracil + D-ribose 5-phosphate
-
Bos taurus pseudouridine 5'-phosphate + H2O
-
?
uracil + D-ribose 5-phosphate
-
Spinacia oleracea pseudouridine 5'-phosphate + H2O
-
?
uracil + D-ribose 5-phosphate
-
Brassica oleracea pseudouridine 5'-phosphate + H2O
-
?
uracil + D-ribose 5-phosphate
-
Lolium perenne pseudouridine 5'-phosphate + H2O
-
?
uracil + D-ribose 5-phosphate r Agrobacterium tumefaciens pseudouridine 5'-phosphate + H2O
-
?
uracil + D-ribose 5-phosphate r Nicotiana glauca pseudouridine 5'-phosphate + H2O
-
?
uracil + D-ribose 5-phosphate r Agrobacterium tumefaciens B6-6 pseudouridine 5'-phosphate + H2O
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
30
-
-
Nicotiana glauca

Temperature Range [°C]

Temperature Minimum [°C] Temperature Maximum [°C] Comment Organism
10 50 about 40% of maximal activity at 10°C and about 10% of maximal activity at 50°C Nicotiana glauca

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
-
Nicotiana glauca

pH Range

pH Minimum pH Maximum Comment Organism
7.5 10 pH 7.5 about 40% of maximal activity, pH 10 about 20% of maximal activity Nicotiana glauca