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Literature summary for 2.7.1.15 extracted from

  • Gatreddi, S.; Pillalamarri, V.; Vasudevan, D.; Addlagatta, A.; Qureshi, I.A.
    Unraveling structural insights of ribokinase from Leishmania donovani (2019), Int. J. Biol. Macromol., 136, 253-265 .
    View publication on PubMed

Crystallization (Commentary)

Crystallization (Comment) Organism
hanging drop vapour diffusion method, the crystal structure is determined in the apo and complex forms with several nucleotides (ATP, AMPPCP and ADP) in the presence of Na+ ion Leishmania donovani

Inhibitors

Inhibitors Comment Organism Structure
EDTA
-
Leishmania donovani

Metals/Ions

Metals/Ions Comment Organism Structure
Co2+ the enzyme is dependent on monovalent as well as divalent cations for its catalytic activity. When magnesium is substituted with Co2+ and Mn2+ in the reaction mixture, the ribokinase activity got reduced to 60% and 45% as compared to that with Mg2+ Leishmania donovani
K+ the enzyme is dependent on monovalent as well as divalent cations for its catalytic activity. Among the monovalent cations, K+ shows highest activating effect. The activity drops to 90% and 45% with Cs+ and Na+, respectively, in comparison to K+ Leishmania donovani
Mg2+ the enzyme is dependent on monovalent as well as divalent cations for its catalytic activity. When magnesium is substituted with Co2+ and Mn2+ in the reaction mixture, the ribokinase activity got reduced to 60% and 45% as compared to that with Mg2+ Leishmania donovani
Mn2+ the enzyme is dependent on monovalent as well as divalent cations for its catalytic activity. When magnesium is substituted with Co2+ and Mn2+ in the reaction mixture, the ribokinase activity got reduced to 60% and 45% as compared to that with Mg2+ Leishmania donovani

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + D-ribose Leishmania donovani
-
ADP + D-ribose 5-phosphate
-
?
ATP + D-ribose Leishmania donovani BPK282A1
-
ADP + D-ribose 5-phosphate
-
?

Organism

Organism UniProt Comment Textmining
Leishmania donovani E9BIX7
-
-
Leishmania donovani BPK282A1 E9BIX7
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Leishmania donovani

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + D-ribose
-
Leishmania donovani ADP + D-ribose 5-phosphate
-
?
ATP + D-ribose
-
Leishmania donovani BPK282A1 ADP + D-ribose 5-phosphate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
25
-
assay at Leishmania donovani

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.5
-
assay at Leishmania donovani