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Literature summary for 1.3.3.15 extracted from

  • Qin, X.; Sun, L.; Wen, X.; Yang, X.; Tan, Y.; Jin, H.; Cao, Q.; Zhou, W.; Xi, Z.; Shen, Y.
    Structural insight into unique properties of protoporphyrinogen oxidase from Bacillus subtilis (2010), J. Struct. Biol., 170, 76-82.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Bacillus subtilis

Crystallization (Commentary)

Crystallization (Comment) Organism
in complex with acifluorfen, sitting drop vapor diffusion method, using 2.4 M ammonium phosphate dibasic, 0.1 M Tris-HCl pH 7.5 Bacillus subtilis

Protein Variants

Protein Variants Comment Organism
F227R the mutant exhibits slight decrease in catalysis compared to the wild type enzyme Bacillus subtilis
I176A the mutation leads to about 30fold decrease in catalytic efficiency compared to the wild type enzyme Bacillus subtilis
K71A the mutation leads to about 50fold decrease in catalytic efficiency compared to the wild type enzyme Bacillus subtilis
P64A the mutant exhibits a 14fold decrease in catalysis compared to the wild type enzyme Bacillus subtilis
Y366N the mutation leads to about 100fold decrease in catalytic efficiency compared to the wild type enzyme Bacillus subtilis

Inhibitors

Inhibitors Comment Organism Structure
acifluorfen
-
Bacillus subtilis

Localization

Localization Comment Organism GeneOntology No. Textmining
soluble
-
Bacillus subtilis
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
coproporphyrinogen III + O2 Bacillus subtilis
-
coproporphyrin III + H2O
-
?
coproporphyrinogen III + O2 Bacillus subtilis 168
-
coproporphyrin III + H2O
-
?
protoporphyrinogen IX + O2 Bacillus subtilis
-
protoporphyrin IX + H2O
-
?
protoporphyrinogen IX + O2 Bacillus subtilis 168
-
protoporphyrin IX + H2O
-
?

Organism

Organism UniProt Comment Textmining
Bacillus subtilis P32397
-
-
Bacillus subtilis 168 P32397
-
-

Purification (Commentary)

Purification (Comment) Organism
Ni-NTA column chromatography and S200 gel filtration Bacillus subtilis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
coproporphyrinogen III + O2
-
Bacillus subtilis coproporphyrin III + H2O
-
?
coproporphyrinogen III + O2
-
Bacillus subtilis 168 coproporphyrin III + H2O
-
?
protoporphyrinogen IX + O2
-
Bacillus subtilis protoporphyrin IX + H2O
-
?
protoporphyrinogen IX + O2
-
Bacillus subtilis 168 protoporphyrin IX + H2O
-
?

Subunits

Subunits Comment Organism
monomer
-
Bacillus subtilis

Synonyms

Synonyms Comment Organism
PPO
-
Bacillus subtilis
protoporphyrinogen IX oxidase
-
Bacillus subtilis

Cofactor

Cofactor Comment Organism Structure
FAD
-
Bacillus subtilis

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.03774
-
acifluorfen wild type enzyme at pH 7.5, temperature not specified in the publication Bacillus subtilis