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trimethoprim
conformational changes in the Met20 loop on ligand binding, inhibitor binding thermodynamics, binding structure determined with wild-type and mutant enzymes, crystal structures, single type of independent enzyme binding site, overview
(E)-1-(1-cyclopropyl-6,7-dimethoxyphthalazin-2(1H)-yl)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)-2,3-dimethoxyphenyl)prop-2-en-1-one
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(E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)-2,3-dimethoxyphenyl)-1-(1-(4-methoxyphenyl)phthalazin-2(1H)-yl)prop-2-en-1-one
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-
(E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)-2,3-dimethoxyphenyl)-1-(1-phenylphthalazin-2(1H)-yl)prop-2-en-1-one
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(E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)-2,3-dimethoxyphenyl)-1-(1-propylphthalazin-2(1H)-yl)prop-2-en-1-one
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-
(E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)-2,3-dimethoxyphenyl)-1-(6,7-dimethoxy-1-propylphthalazin-2(1H)-yl)prop-2-en-1-one
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-
(E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)-2,3-dimethoxyphenyl)-1-(6,7-dimethyl-1-propylphthalazin-2(1H)-yl)prop-2-en-1-one
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-
3-(2,4-diamino-6-methylpyrimidin-5-yl)-1-(3,4,5-trimethoxyphenyl)prop-2-yn-1-ol
-
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-ethylpyrimidine-2,4-diamine
-
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-propylpyrimidine-2,4-diamine
-
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]pyrimidine-2,4-diamine
-
5-[3-(2-methoxy-2',6'-dimethylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-(2-methoxy-2'-methylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-(2-methoxybiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-(5-methoxy-2',6'-dimethylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-(5-methoxy-2'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-(5-methoxy-4'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-(5-methoxybiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
5-[3-methoxy-3-(3,4,5-trimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
-
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
-
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)pent-1-yn-1-yl]pyrimidine-2,4-diamine
-
6-methyl-5-[3-methyl-3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
-
AR-101
i.e. 5-[(2R)-2-cyclopropyl-7,8-dimethoxy-2H-chromene-5-ylmethyl]pyrimidine-2,4-diamine, binding structure from crystal structure, the cyclopropyl-dimethoxychromene moiety interacts with the conserved residues Leu28, Val31, Ile50 and Leu54 forming a hydrophobic pocket in the enzyme
Ar-102
i.e. 5-[(2S)-2-cyclopropyl-7,8-dimethoxy-2H-chromene-5-ylmethyl]pyrimidine-2,4-diamine, binding structure from crystal structure, the cyclopropyl-dimethoxychromene moiety interacts with the conserved residues Leu28, Val31, Ile50 and Leu54 forming a hydrophobic pocket in the enzyme
BAL0030543
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a dihydrophthalazine inhibitor with antibacterial activity, overview
BAL0030544
-
a dihydrophthalazine inhibitor with antibacterial activity, overview
BAL0030545
-
a dihydrophthalazine inhibitor with antibacterial activity, overview
grape seed extract
-
grape seed extract inhibits the dihydrofolate reductase activity and growth of Staphylococcus aureus. The grape seed extract-induced growth inhibition is reversed by adding, tetrahydrofolate, 5,10-methylenetetrahydrofolate or methionine to the medium
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iclaprim
binding structure from crystal structure
trimethoprim
-
-
trimethoprim
-
50% inhibition at 0.254 mM
trimethoprim
inhibition of the wild-type enzyme, but 74fold less of the resistant mutant F98Y
additional information
structure based inhibitor development of propargyl derivatives of trimethoprim for inhibition of resistant enzyme, overview
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additional information
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structure based inhibitor development of propargyl derivatives of trimethoprim for inhibition of resistant enzyme, overview
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additional information
synthesis of trimethoprim derivatives containing an acryloyl linker and a dihydophthalazine moiety. Structural data reveal accommodation of predominantly the S-enantiomer of the inhibitors within the folate-binding pocket. Longer modifications at the chiral carbon, such as p-methylbenzyl, protrude from the pocket into solvent and result in poorer Ki values, as do modifications with greater torsional freedom, such as 1-ethylpropyl
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additional information
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synthesis of trimethoprim derivatives containing an acryloyl linker and a dihydophthalazine moiety. Structural data reveal accommodation of predominantly the S-enantiomer of the inhibitors within the folate-binding pocket. Longer modifications at the chiral carbon, such as p-methylbenzyl, protrude from the pocket into solvent and result in poorer Ki values, as do modifications with greater torsional freedom, such as 1-ethylpropyl
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0.0011 - 0.0041
3-(2,4-diamino-6-methylpyrimidin-5-yl)-1-(3,4,5-trimethoxyphenyl)prop-2-yn-1-ol
0.000068 - 0.00067
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-ethylpyrimidine-2,4-diamine
0.00027 - 0.0013
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.000048 - 0.00055
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-propylpyrimidine-2,4-diamine
0.00027 - 0.0069
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]pyrimidine-2,4-diamine
0.00041 - 0.00613
5-[3-(2-methoxy-2',6'-dimethylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.0005 - 0.00142
5-[3-(2-methoxy-2'-methylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.00017 - 0.00077
5-[3-(2-methoxybiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.000073 - 0.00018
5-[3-(5-methoxy-2',6'-dimethylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.000073 - 0.00019
5-[3-(5-methoxy-2'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.00041 - 0.00096
5-[3-(5-methoxy-4'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.000042 - 0.00019
5-[3-(5-methoxybiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.00073 - 0.012
5-[3-methoxy-3-(3,4,5-trimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
0.00017 - 0.0012
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
0.00012 - 0.0039
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)pent-1-yn-1-yl]pyrimidine-2,4-diamine
0.000064 - 0.00075
6-methyl-5-[3-methyl-3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
0.000023 - 0.0017
trimethoprim
0.0011
3-(2,4-diamino-6-methylpyrimidin-5-yl)-1-(3,4,5-trimethoxyphenyl)prop-2-yn-1-ol
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.0041
3-(2,4-diamino-6-methylpyrimidin-5-yl)-1-(3,4,5-trimethoxyphenyl)prop-2-yn-1-ol
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.000068
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-ethylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00067
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-ethylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00027
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.0013
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.000048
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-propylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00055
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]-6-propylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00027
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.0069
5-[3-(2,5-dimethoxyphenyl)prop-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00041
5-[3-(2-methoxy-2',6'-dimethylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00613
5-[3-(2-methoxy-2',6'-dimethylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.0005
5-[3-(2-methoxy-2'-methylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00142
5-[3-(2-methoxy-2'-methylbiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00017
5-[3-(2-methoxybiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00077
5-[3-(2-methoxybiphenyl-4-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.000073
5-[3-(5-methoxy-2',6'-dimethylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00018
5-[3-(5-methoxy-2',6'-dimethylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.000073
5-[3-(5-methoxy-2'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00019
5-[3-(5-methoxy-2'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00041
5-[3-(5-methoxy-4'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00096
5-[3-(5-methoxy-4'-methylbiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.000042
5-[3-(5-methoxybiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.000061
5-[3-(5-methoxybiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00017
5-[3-(5-methoxybiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00019
5-[3-(5-methoxybiphenyl-3-yl)but-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00073
5-[3-methoxy-3-(3,4,5-trimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.012
5-[3-methoxy-3-(3,4,5-trimethoxyphenyl)prop-1-yn-1-yl]-6-methylpyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00017
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.0012
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.00012
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)pent-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.0039
6-methyl-5-[3-(3,4,5-trimethoxyphenyl)pent-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.000064
6-methyl-5-[3-methyl-3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.00075
6-methyl-5-[3-methyl-3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
0.000023
trimethoprim
Staphylococcus aureus
pH 7.0, 25°C, wild-type enzyme
0.0017
trimethoprim
Staphylococcus aureus
pH 7.0, 25°C, mutant F98Y
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Sekiguchi, J.; Tharavichitkul, P.; Miyoshi-Akiyama, T.; Chupia, V.; Fujino, T.; Araake, M.; Irie, A.; Morita, K.; Kuratsuji, T.; Kirikae, T.
Cloning and characterization of a novel trimethoprim-resistant dihydrofolate reductase from a nosocomial isolate of Staphylococcus aureus CM.S2 (IMCJ1454)
Antimicrob. Agents Chemother.
49
3948-3951
2005
Staphylococcus aureus, Staphylococcus aureus CM.S2
brenda
Oefner, C.; Parisi, S.; Schulz, H.; Lociuro, S.; Dale, G.E.
Inhibitory properties and X-ray crystallographic study of the binding of AR-101, AR-102 and iclaprim in ternary complexes with NADPH and dihydrofolate reductase from Staphylococcus aureus
Acta Crystallogr. Sect. D
65
751-757
2009
Staphylococcus aureus (P0A017), Staphylococcus aureus
brenda
Bowker, K.E.; Caspers, P.; Gaucher, B.; MacGowan, A.P.
In vitro activities of three new dihydrofolate reductase inhibitors against clinical isolates of Gram-positive bacteria
Antimicrob. Agents Chemother.
53
4949-4952
2009
Streptococcus pneumoniae, Staphylococcus aureus, Streptococcus mitis
brenda
Frey, K.M.; Liu, J.; Lombardo, M.N.; Bolstad, D.B.; Wright, D.L.; Anderson, A.C.
Crystal structures of wild-type and mutant methicillin-resistant Staphylococcus aureus dihydrofolate reductase reveal an alternate conformation of NADPH that may be linked to trimethoprim resistance
J. Mol. Biol.
387
1298-1308
2009
Staphylococcus aureus (P0A016), Staphylococcus aureus
brenda
Heaslet, H.; Harris, M.; Fahnoe, K.; Sarver, R.; Putz, H.; Chang, J.; Subramanyam, C.; Barreiro, G.; Miller, J.
Structural comparison of chromosomal and exogenous dihydrofolate reductase from Staphylococcus aureus in complex with the potent inhibitor trimethoprim
Proteins
76
706-717
2009
Staphylococcus aureus, Staphylococcus aureus (P13955)
brenda
Kao, T.T.; Tu, H.C.; Chang, W.N.; Chen, B.H.; Shi, Y.Y.; Chang, T.C.; Fu, T.F.
Grape seed extract inhibits the growth and pathogenicity of Staphylococcus aureus by interfering with dihydrofolate reductase activity and folate-mediated one-carbon metabolism
Int. J. Food Microbiol.
141
17-27
2010
Staphylococcus aureus
brenda
Muddala, N.; White, J.; Nammalwar, B.; Pratt, I.; Thomas, L.; Bunce, R.; Berlin, K.; Bourne, C.
Inhibitor design to target a unique feature in the folate pocket of Staphylococcus aureus dihydrofolate reductase
Eur. J. Med. Chem.
200
112412
2020
Staphylococcus aureus (A0A0M3KKX1), Staphylococcus aureus, Staphylococcus aureus ET3-1 (A0A0M3KKX1)
brenda