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Literature summary for 4.1.3.36 extracted from

  • Li, X.; Liu, N.; Zhang, H.; Knudson, S.E.; Slayden, R.A.; Tonge, P.J.
    Synthesis and SAR studies of 1,4-benzoxazine MenB inhibitors: novel antibacterial agents against Mycobacterium tuberculosis (2010), Bioorg. Med. Chem. Lett., 20, 6306-6309.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
-
Mycobacterium tuberculosis

Inhibitors

Inhibitors Comment Organism Structure
(3Z)-3-(3,3-dimethyl-2-oxobutylidene)-3,4-dihydro-2H-1,4-benzoxazin-2-one 68.4% inhibition at 0.125 mg/ml, 0.00015 mM o-succinylbenzoate , pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis
(3Z)-3-(3,3-dimethyl-2-oxobutylidene)-6-(ethylsulfonyl)-3,4-dihydro-2H-1,4-benzoxazin-2-one 60.3% inhibition at 0.125 mg/ml, 0.00015 mM o-succinylbenzoate, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis
(3Z)-6-chloro-3-(4-methyl-2-oxopentylidene)-3,4-dihydro-2H-1,4-benzoxazin-2-one 98% inhibition at 0.125 mg/ml, 0.00015 mM o-succinylbenzoate, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis
(3Z)-6-methyl-3-(4-methyl-2-oxopentylidene)-3,4-dihydro-2H-1,4-benzoxazin-2-one 77.3% inhibition at 0.125 mg/ml, 0.00015 mM o-succinylbenzoate, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis
methyl (2Z)-(2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(5-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(6-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(6-fluoro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(6-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(6-nitro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(7-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(7-fluoro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(7-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-(7-nitro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
methyl (2Z)-[6-(ethylsulfonyl)-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene]ethanoate
-
Mycobacterium tuberculosis

Organism

Organism UniProt Comment Textmining
Mycobacterium tuberculosis
-
-
-

Purification (Commentary)

Purification (Comment) Organism
-
Mycobacterium tuberculosis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
o-succinylbenzoyl-CoA
-
Mycobacterium tuberculosis 1,4-dihydroxy-2-naphthoyl-CoA + H2O
-
?

Subunits

Subunits Comment Organism
hexamer
-
Mycobacterium tuberculosis

Synonyms

Synonyms Comment Organism
1,4-dihydroxy-2-naphthoyl-CoA synthase
-
Mycobacterium tuberculosis

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.0091
-
methyl (2Z)-(2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate non-competitive inhibitor, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis
0.0115
-
methyl (2Z)-(6-fluoro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate non-competitive inhibitor , pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis
0.0225
-
methyl (2Z)-(6-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate non-competitive inhibitor, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.01
-
non-competitive inhibitor Ki' = 0.067 mM, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.0179
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-[6-(ethylsulfonyl)-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene]ethanoate
0.0182
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(7-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.0203
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(7-nitro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.0231
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(6-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.0241
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(5-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.027
-
non-competitive inhibitor Ki' = 0.0101 mM, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(6-fluoro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.0282
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(6-nitro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.03
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(7-fluoro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.0357
-
pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(7-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
0.0463
-
non-competitive inhibitor Ki' = 0.0185 mM, pH not specified in the publication, temperature not specified in the publication Mycobacterium tuberculosis methyl (2Z)-(6-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate