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Literature summary for 1.14.11.2 extracted from

  • Schnicker, N.; Dey, M.
    Structural analysis of cofactor binding for a prolyl 4-hydroxylase from the pathogenic bacterium Bacillus anthracis (2016), Acta Crystallogr. Sect. D, 72, 675-681 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
gene GBAA_4459, recombinant enzyme expression in Escherichia coli strain BL21 Star (DE3) pLysS Bacillus anthracis

Crystallization (Commentary)

Crystallization (Comment) Organism
purified enzyme BaP4H complexed with cadmium or 2-oxoglutarate, mixing of 0.001 ml of 9 mg/ml protein solution containing 1 mM CoCl2 and 1 mM 2-oxoglutarate with 0.001 ml of reservoir solution containing 0.1 M HEPES, pH 7.8, 0.05 M cadmium sulfate, and 0.9 M sodium acetate, equilibration against 0.35 ml of reservoir solution, at 20°C, X-ray diffraction structure determination and analysis at 1.63 and 2.35 A resolution, respectively, soaking of the different crystals in different cryoprotection solutions, molecular replacement using the monomer (chain A), PDB Id 3itq, as a starting model Bacillus anthracis

Inhibitors

Inhibitors Comment Organism Structure
Cd2+ the binding of Cd2+ induces a conformational change in the enzyme structure compared to the wild-type enzyme, overview Bacillus anthracis

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+ a non-heme iron enzyme, required for catalysis Bacillus anthracis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
procollagen L-proline + 2-oxoglutarate + O2 Bacillus anthracis
-
procollagen trans-4-hydroxy-L-proline + succinate + CO2
-
?

Organism

Organism UniProt Comment Textmining
Bacillus anthracis Q81LZ8 alpha-subunit domain protein
-

Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme from by a process involving hydrophobic interaction chromatography purification step prior to gel filtration Bacillus anthracis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
procollagen L-proline + 2-oxoglutarate + O2
-
Bacillus anthracis procollagen trans-4-hydroxy-L-proline + succinate + CO2
-
?

Synonyms

Synonyms Comment Organism
BaP4H
-
Bacillus anthracis
GBAA_4459
-
Bacillus anthracis
P4H
-
Bacillus anthracis
prolyl 4-hydroxylase
-
Bacillus anthracis

General Information

General Information Comment Organism
metabolism the stabilization of collagen triple-helical structure via prolyl hydroxylation involving the enzyme is the rate-limiting step in collagen biosynthesis Bacillus anthracis
additional information active site structure and substrate recognition, overview Bacillus anthracis
physiological function prolyl 4-hydroxylases are mononuclear nonheme iron enzymes that catalyze the formation of 4R-hydroxyproline from many different substrates, with various biological implications. P4H is a key player in collagen accumulation. The stabilization of collagen triple-helical structure via prolyl hydroxylation is the rate-limiting step in collagen biosynthesis Bacillus anthracis