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Literature summary for 1.14.11.3 extracted from

  • Cliffe, L.J.; Hirsch, G.; Wang, J.; Ekanayake, D.; Bullard, W.; Hu, M.; Wang, Y.; Sabatini, R.
    JBP1 and JBP2 proteins are Fe2+/2-oxoglutarate-dependent dioxygenases regulating hydroxylation of thymidine residues in trypanosome DNA (2012), J. Biol. Chem., 287, 19886-19895.
    View publication on PubMedView publication on EuropePMC

Activating Compound

Activating Compound Comment Organism Structure
ascorbate
-
Trypanosoma brucei
ascorbate
-
Trypanosoma cruzi
ascorbate
-
Leishmania tarentolae
ascorbate
-
Leishmania major

Cloned(Commentary)

Cloned (Comment) Organism
recombinant expression of His-tagged JBP1 in Escherichia coli strain BL21-DE3 T1R Trypanosoma cruzi

Protein Variants

Protein Variants Comment Organism
additional information mutation of the two conserved metal binding ligands of dioxygenases JBP1 and JBP2 results in the loss of Fe2+ binding and inability to hydroxylate thymidine Trypanosoma brucei
additional information mutation of the two conserved metal binding ligands of dioxygenases JBP1 and JBP2 results in the loss of Fe2+ binding and inability to hydroxylate thymidine Trypanosoma cruzi
additional information mutation of the two conserved metal binding ligands of dioxygenases JBP1 and JBP2 results in the loss of Fe2+ binding and inability to hydroxylate thymidine Leishmania tarentolae
additional information mutation of the two conserved metal binding ligands of dioxygenases JBP1 and JBP2 results in the loss of Fe2+ binding and inability to hydroxylate thymidine Leishmania major

Inhibitors

Inhibitors Comment Organism Structure
2,4-pyridinedicarboxylic acid competitive inhibition Leishmania major
2,4-pyridinedicarboxylic acid competitive inhibition Leishmania tarentolae
2,4-pyridinedicarboxylic acid competitive inhibition Trypanosoma brucei
2,4-pyridinedicarboxylic acid competitive inhibition Trypanosoma cruzi
dimethyloxoglycine competitive inhibition Leishmania major
dimethyloxoglycine competitive inhibition Leishmania tarentolae
dimethyloxoglycine competitive inhibition Trypanosoma brucei
dimethyloxoglycine competitive inhibition Trypanosoma cruzi

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ dependent on Trypanosoma brucei
Fe2+ dependent on Trypanosoma cruzi
Fe2+ dependent on Leishmania tarentolae
Fe2+ dependent on Leishmania major

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
thymidine + 2-oxoglutarate + O2 Trypanosoma brucei JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 Trypanosoma cruzi JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 Leishmania tarentolae JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 Leishmania major JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 Trypanosoma brucei 427 JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner 5-hydroxymethyluridine + succinate + CO2
-
?

Organism

Organism UniProt Comment Textmining
Leishmania major
-
-
-
Leishmania tarentolae
-
-
-
Trypanosoma brucei
-
line 221a
-
Trypanosoma brucei 427
-
line 221a
-
Trypanosoma cruzi
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged JBP1 from Escherichia coli strain BL21-DE3 T1R by metal affinty chromatography Trypanosoma cruzi

Source Tissue

Source Tissue Comment Organism Textmining
bloodstream form
-
Trypanosoma brucei
-
metacyclic form infective Leishmania tarentolae
-
promastigote
-
Leishmania major
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information thymine in the context of single stranded DNA substrate, rather than duplex DNA, is not hydroxylated Trypanosoma brucei ?
-
?
additional information thymine in the context of single stranded DNA substrate, rather than duplex DNA, is not hydroxylated Trypanosoma cruzi ?
-
?
additional information thymine in the context of single stranded DNA substrate, rather than duplex DNA, is not hydroxylated Leishmania tarentolae ?
-
?
additional information thymine in the context of single stranded DNA substrate, rather than duplex DNA, is not hydroxylated Leishmania major ?
-
?
additional information thymine in the context of single stranded DNA substrate, rather than duplex DNA, is not hydroxylated Trypanosoma brucei 427 ?
-
?
thymidine + 2-oxoglutarate + O2 JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Trypanosoma brucei 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Trypanosoma cruzi 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Leishmania tarentolae 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Leishmania major 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 telomeric duplex DNA substrate, JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Trypanosoma brucei 5-hydroxymethyluridine + succinate + CO2 mass spectrometric product determination ?
thymidine + 2-oxoglutarate + O2 telomeric duplex DNA substrate, JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Trypanosoma cruzi 5-hydroxymethyluridine + succinate + CO2 mass spectrometric product determination ?
thymidine + 2-oxoglutarate + O2 telomeric duplex DNA substrate, JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Leishmania tarentolae 5-hydroxymethyluridine + succinate + CO2 mass spectrometric product determination ?
thymidine + 2-oxoglutarate + O2 telomeric duplex DNA substrate, JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Leishmania major 5-hydroxymethyluridine + succinate + CO2 mass spectrometric product determination ?
thymidine + 2-oxoglutarate + O2 JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Trypanosoma brucei 427 5-hydroxymethyluridine + succinate + CO2
-
?
thymidine + 2-oxoglutarate + O2 telomeric duplex DNA substrate, JBP1 hydroxylates thymine specifically in the context of dsDNA in a Fe2+-, 2-oxoglutarate-, and O2-dependent manner Trypanosoma brucei 427 5-hydroxymethyluridine + succinate + CO2 mass spectrometric product determination ?

Synonyms

Synonyms Comment Organism
JBP1
-
Trypanosoma brucei
JBP1
-
Trypanosoma cruzi
JBP1
-
Leishmania tarentolae
JBP1
-
Leishmania major
JBP2
-
Trypanosoma brucei
JBP2
-
Trypanosoma cruzi
JBP2
-
Leishmania tarentolae
JBP2
-
Leishmania major

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Trypanosoma brucei
37
-
assay at Trypanosoma cruzi
37
-
assay at Leishmania tarentolae
37
-
assay at Leishmania major

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
assay at Trypanosoma brucei
8
-
assay at Trypanosoma cruzi
8
-
assay at Leishmania tarentolae
8
-
assay at Leishmania major

General Information

General Information Comment Organism
evolution JBP1 and JBP2 are members of the Fe2+/2-OG dioxygenase family Trypanosoma brucei
evolution JBP1 and JBP2 are members of the Fe2+/2-OG dioxygenase family Trypanosoma cruzi
evolution JBP1 and JBP2 are members of the Fe2+/2-OG dioxygenase family Leishmania tarentolae
evolution JBP1 and JBP2 are members of the Fe2+/2-OG dioxygenase family Leishmania major
malfunction mutation of residues involved in coordinating Fe2+ inhibit iron binding and thymidine hydroxylation Trypanosoma brucei
malfunction mutation of residues involved in coordinating Fe2+ inhibit iron binding and thymidine hydroxylation Trypanosoma cruzi
malfunction mutation of residues involved in coordinating Fe2+ inhibit iron binding and thymidine hydroxylation Leishmania tarentolae
malfunction mutation of residues involved in coordinating Fe2+ inhibit iron binding and thymidine hydroxylation Leishmania major
metabolism JBP1 and JBP2 utilize 2-oxoglutarate and O2 as co-substrate to hydroxylate T-residues in dsDNA, releasing succinate and CO2 as byproducts. The intermediate hmU is then glycosylated by an unknown glucosyltransferase forming base J, two-step base J-biosynthesis pathway of modifying T-residues in kinetoplastid DNA Trypanosoma brucei
metabolism JBP1 and JBP2 utilize 2-oxoglutarate and O2 as co-substrate to hydroxylate T-residues in dsDNA, releasing succinate and CO2 as byproducts. The intermediate hmU is then glycosylated by an unknown glucosyltransferase forming base J, two-step base J-biosynthesis pathway of modifying T-residues in kinetoplastid DNA Trypanosoma cruzi
metabolism JBP1 and JBP2 utilize 2-oxoglutarate and O2 as co-substrate to hydroxylate T-residues in dsDNA, releasing succinate and CO2 as byproducts. The intermediate hmU is then glycosylated by an unknown glucosyltransferase forming base J, two-step base J-biosynthesis pathway of modifying T-residues in kinetoplastid DNA Leishmania tarentolae
metabolism JBP1 and JBP2 utilize 2-oxoglutarate and O2 as co-substrate to hydroxylate T-residues in dsDNA, releasing succinate and CO2 as byproducts. The intermediate hmU is then glycosylated by an unknown glucosyltransferase forming base J, two-step base J-biosynthesis pathway of modifying T-residues in kinetoplastid DNA Leishmania major
additional information the N-terminal thymidine hydroxylase domain of JBP1 is sufficient for full activity Trypanosoma brucei
additional information the N-terminal thymidine hydroxylase domain of JBP1 is sufficient for full activity Trypanosoma cruzi
additional information the N-terminal thymidine hydroxylase domain of JBP1 is sufficient for full activity Leishmania tarentolae
additional information the N-terminal thymidine hydroxylase domain of JBP1 is sufficient for full activity Leishmania major
physiological function the enzyme regulating the hydroxylation of specific T-residues along the chromosome is critical for the control of trypanosome gene expression. JBP activity is regulated by oxygen levels in vivo Trypanosoma brucei
physiological function the enzyme regulating the hydroxylation of specific T-residues along the chromosome is critical for the control of trypanosome gene expression. JBP activity is regulated by oxygen levels in vivo Trypanosoma cruzi
physiological function the enzyme regulating the hydroxylation of specific T-residues along the chromosome is critical for the control of trypanosome gene expression. JBP activity is regulated by oxygen levels in vivo Leishmania tarentolae
physiological function the enzyme regulating the hydroxylation of specific T-residues along the chromosome is critical for the control of trypanosome gene expression. JBP activity is regulated by oxygen levels in vivo Leishmania major