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Literature summary 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)

EC Number Cloned (Comment) Organism
4.1.3.36
-
Mycobacterium tuberculosis

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.1.3.36 (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
4.1.3.36 (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
4.1.3.36 (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
4.1.3.36 (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
4.1.3.36 methyl (2Z)-(2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(5-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(6-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(6-fluoro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(6-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(6-nitro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(7-chloro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(7-fluoro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(7-methyl-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-(7-nitro-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene)ethanoate
-
Mycobacterium tuberculosis
4.1.3.36 methyl (2Z)-[6-(ethylsulfonyl)-2-oxo-2H-1,4-benzoxazin-3(4H)-ylidene]ethanoate
-
Mycobacterium tuberculosis

Organism

EC Number Organism UniProt Comment Textmining
4.1.3.36 Mycobacterium tuberculosis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.1.3.36
-
Mycobacterium tuberculosis

Substrates and Products (Substrate)

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

Subunits

EC Number Subunits Comment Organism
4.1.3.36 hexamer
-
Mycobacterium tuberculosis

Synonyms

EC Number Synonyms Comment Organism
4.1.3.36 1,4-dihydroxy-2-naphthoyl-CoA synthase
-
Mycobacterium tuberculosis

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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

EC Number IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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
4.1.3.36 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