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Literature summary extracted from

  • Herrmann, F.C.; Sivakumar, N.; Jose, J.; Costi, M.P.; Pozzi, C.; Schmidt, T.J.
    In silico identification and in vitro evaluation of natural inhibitors of Leishmania major pteridine reductase I (2017), Molecules, 22, 2166 .
    View publication on PubMedView publication on EuropePMC

Inhibitors

EC Number Inhibitors Comment Organism Structure
1.5.1.33 (-)-epicatechin-3-gallate
-
 Leishmania major
1.5.1.33 2,3-dehydrosilybin A
-
 Leishmania major
1.5.1.33 apigenin-7-glucoside
-
 Leishmania major
1.5.1.33 eleutheroside B
-
 Leishmania major
1.5.1.33 garcinone C
-
 Leishmania major
1.5.1.33 icariside II
-
 Leishmania major
1.5.1.33 isosilybin B
-
 Leishmania major
1.5.1.33 isoxanthohumol
-
 Leishmania major
1.5.1.33 additional information in silico identification and in vitro evaluation of natural inhibitors of Leishmania major pteridine reductase I. No inhibition by phillyrin, magnolin, and isosakuranetin. Docking study of inhibitors using the structure of LmPTR1 (PDB ID 2BFM), co-crystallized with NADP+, structure modeling, overview. Apart from salvianolic acid A (5), the most active inhibitors share structural features with certain similarities, such as engaging in Pi-Pi interactions with the nicotinamide moiety, namely, a flavone, a flavonol, a flavanone, or a four-chromanone system Leishmania major
1.5.1.33 myricetin
-
 Leishmania major
1.5.1.33 rosmarinic acid
-
 Leishmania major
1.5.1.33 salvianolic acid A
-
 Leishmania major
1.5.1.33 silybin A
-
 Leishmania major
1.5.1.33 silybin B
-
 Leishmania major
1.5.1.33 silychristin
-
 Leishmania major
1.5.1.33 sophoraflavanone G
-
 Leishmania major

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
1.5.1.33 7,8-dihydrobiopterin + NADPH + H+ Leishmania major
-
 5,6,7,8-tetrahydrobiopterin + NADP+
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
1.5.1.33 Leishmania major Q01782
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.5.1.33 7,8-dihydrobiopterin + NADPH + H+
-
 Leishmania major 5,6,7,8-tetrahydrobiopterin + NADP+
-
 ?

Synonyms

EC Number Synonyms Comment Organism
1.5.1.33 LmPTR1
-
 Leishmania major
1.5.1.33 pteridine reductase I
-
 Leishmania major
1.5.1.33 PTR1
-
 Leishmania major

Cofactor

EC Number Cofactor Comment Organism Structure
1.5.1.33 NADPH
-
 Leishmania major

General Information

EC Number General Information Comment Organism
1.5.1.33 additional information the substrate-binding domain of LmPTR1 is characterized by a considerable degree of lipophilicity, especially in a part mainly made up by hydrophobic amino acids like Tyr, Phe, Leu, or Val. The NADPH/NADP+-binding part of the catalytic site, on the other hand, is characterized by more hydrophilic amino acids and more polar properties overall. Due to the close vicinity of the co-substrate and substrate binding sites, the co-substrate NADPH/NADP+ may also contribute to the properties of the substrate cavity, introducing the possibility of polar interactions with a ligand bound in the folic acid binding site Leishmania major