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Literature summary for 2.4.2.4 extracted from

  • Zimmerman, M.
    Deoxyribosyl transfer. II. Nucleoside:pyrimidine deoxyribosyltransferase activity of three partially purified thymidine phosphorylases (1964), J. Biol. Chem., 239, 2622-2627.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
Urea stimulates at low concentration, inhibits at high concentration, 4 M Homo sapiens
Urea stimulates at low concentration, inhibits at high concentration, 4 M Rattus norvegicus

General Stability

General Stability Organism
stable to repeated freezing and thawing Homo sapiens

Inhibitors

Inhibitors Comment Organism Structure
p-chloromercuribenzoate above 0.01 mM Homo sapiens
SO42- inhibition reversed by phosphate Escherichia coli
Urea inhibition at high concentration, 4 M, stimulation at low concentration Homo sapiens

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
thymine + 2-deoxy-D-ribose 1-phosphate Escherichia coli enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 thymidine + phosphate
-
?
thymine + 2-deoxy-D-ribose 1-phosphate Homo sapiens enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 thymidine + phosphate
-
?
thymine + 2-deoxy-D-ribose 1-phosphate Rattus norvegicus enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 thymidine + phosphate
-
?
thymine + 2-deoxy-D-ribose 1-phosphate Escherichia coli B / ATCC 11303 enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 thymidine + phosphate
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-
Escherichia coli B / ATCC 11303
-
-
-
Homo sapiens
-
-
-
Rattus norvegicus
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Escherichia coli
-
Homo sapiens
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
liver
-
Homo sapiens
-
liver
-
Rattus norvegicus
-
spleen
-
Homo sapiens
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
18
-
-
Rattus norvegicus
155
-
-
Escherichia coli
1100
-
-
Homo sapiens

Storage Stability

Storage Stability Organism
-20°C, phosphate buffer containing 2% mannitol, stable for over 1 year, human enzyme Homo sapiens

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information the enzyme in some tissues also catalyzes deoxyribonucleosyltransferase reaction of the type catalyzed by EC 2.4.2.6: 2-deoxy-D-ribosyl-base1 + base2 = 2-deoxy-D-ribosyl-base2 + base1 Escherichia coli ?
-
?
additional information the enzyme in some tissues also catalyzes deoxyribonucleosyltransferase reaction of the type catalyzed by EC 2.4.2.6: 2-deoxy-D-ribosyl-base1 + base2 = 2-deoxy-D-ribosyl-base2 + base1 Homo sapiens ?
-
?
additional information the enzyme in some tissues also catalyzes deoxyribonucleosyltransferase reaction of the type catalyzed by EC 2.4.2.6: 2-deoxy-D-ribosyl-base1 + base2 = 2-deoxy-D-ribosyl-base2 + base1 Rattus norvegicus ?
-
?
additional information the enzyme in some tissues also catalyzes deoxyribonucleosyltransferase reaction of the type catalyzed by EC 2.4.2.6: 2-deoxy-D-ribosyl-base1 + base2 = 2-deoxy-D-ribosyl-base2 + base1 Escherichia coli B / ATCC 11303 ?
-
?
thymidine + phosphate
-
Escherichia coli thymine + 2-deoxy-D-ribose 1-phosphate
-
?
thymidine + phosphate
-
Homo sapiens thymine + 2-deoxy-D-ribose 1-phosphate
-
?
thymidine + phosphate
-
Rattus norvegicus thymine + 2-deoxy-D-ribose 1-phosphate
-
?
thymidine + phosphate
-
Escherichia coli B / ATCC 11303 thymine + 2-deoxy-D-ribose 1-phosphate
-
?
thymine + 2-deoxy-D-ribose 1-phosphate enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 Escherichia coli thymidine + phosphate
-
?
thymine + 2-deoxy-D-ribose 1-phosphate enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 Homo sapiens thymidine + phosphate
-
?
thymine + 2-deoxy-D-ribose 1-phosphate enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 Rattus norvegicus thymidine + phosphate
-
?
thymine + 2-deoxy-D-ribose 1-phosphate enzyme also catalyzes the nucleoside deoxyribosyltransferase reaction with pyrimidine deoxyribonucleosides, ec2.4.2.6 Escherichia coli B / ATCC 11303 thymidine + phosphate
-
?

pH Stability

pH Stability pH Stability Maximum Comment Organism
6
-
maximal stability Rattus norvegicus