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BRENDA support

Ligand benzo[a]pyrene

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Basic Ligand Information

Molecular Structure
Picture of benzo[a]pyrene (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C20H12
benzo[a]pyrene
FMMWHPNWAFZXNH-UHFFFAOYSA-N
Synonyms:
benzo(a)pyrene, benzpyrene, reduced benzo(a)pyrene

Roles as Enzyme Ligand

In Vivo Substrate in Enzyme-catalyzed Reactions (1 result)

EC NUMBER
PROVEN IN VIVO REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
benzo[a]pyrene + ? = ?
show the reaction diagram
-

Substrate in Enzyme-catalyzed Reactions (9 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
benzo[a]pyrene + Cl- + H2O2 = ?
show the reaction diagram
-
benzo[a]pyrene + NADH + O2 = ?
show the reaction diagram
-
benzo(a)pyrene + [reduced NADPH-hemoprotein reductase] + O2 = ?
show the reaction diagram
-
benzo[a]pyrene + putidaredoxin + O2 = 3-hydroxybenzo[a]pyrene + oxidized putidaredoxin + H2O
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (6 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
noncompetitive
-
intratracheal instillation of benzo(a)pyrene significantly suppresses NF-kappaB translocation, sEH, thioredoxin reductase and catalase activities in lung tissue. Glycyrrhizic acid oral administration at 50 and 100 mg/kg body weight significantly shows protection of lung epithelium by suppression of caspases activities in lung tissue and reduction of total protein, total cells, elastase activity. Results indicate a strong correlation between amelioration of sEH and thioredoxin reductase activities, and NF-kappaB activation
-
increases the mRNA levels of matrix metalloproteinases MMP-1, MMP-2, MMP-3, and MMP-9 in vascular smooth muscle cells and promotes the migration and invasion of cells
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Enzyme Kinetic Parameters

IC50 Value (1 result)

EC NUMBER
IC50 VALUE
IC50 VALUE MAXIMUM
COMMENTARY
LITERATURE
0.0014
-
-

References & Links

Links to other databases for benzo[a]pyrene

ChEBI
PubChem
ChEBI
PubChem