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Literature summary for 1.14.11.2 extracted from

  • Marumo, K.; Waite, J.H.
    Prolyl 4-hydroxylase in the foot of the marine mussel Mytilus edulis L.: Purification and characterization (1987), J. Exp. Zool., 244, 365-374.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
bovine serum albumin activation Mytilus edulis
catalase activation Mytilus edulis
dithiothreitol activation Mytilus edulis

Inhibitors

Inhibitors Comment Organism Structure
2,2'-dipyridyl
-
Mytilus edulis
EDTA
-
Mytilus edulis
additional information high concentrations of salts are inhibitory Mytilus edulis
poly(L-proline) competitive inhibition Mytilus edulis
Zn2+
-
Mytilus edulis

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.17
-
(L-Pro-L-Pro-Gly)10
-
Mytilus edulis

Metals/Ions

Metals/Ions Comment Organism Structure
Fe2+
-
Mytilus edulis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
230000 240000 gel filtration Mytilus edulis

Organism

Organism UniProt Comment Textmining
Mytilus edulis
-
marine mussel
-

Purification (Commentary)

Purification (Comment) Organism
using column chromatography on DEAE-cellulose, gel filtration and affinity chromatography Mytilus edulis

Source Tissue

Source Tissue Comment Organism Textmining
foot muscle
-
Mytilus edulis
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.00162
-
after affinity chromatography, 6 M-urea-eluted Mytilus edulis
0.052
-
after affinity chromatography, poly-L-proline-eluted Mytilus edulis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
(L-Pro-L-Pro-Gly)10 + 2-oxoglutarate + O2
-
Mytilus edulis (L-Pro-L-Pro-Gly)10-trans-4-hydroxy-L-proline + succinate + CO2
-
r
(Pro-Pro-Gly)n + 2-oxoglutarate + O2 n: 1,5,10 Mytilus edulis (Pro-4-hydroxy-Pro-Gly)n + succinate + CO2 n: 1,5,10 ?
additional information no activity with poly-L-proline or the unhydroxylated decapeptide analog (Ala-Lys-Pro-Ser-Tyr-Pro-Pro-Thr-Tyr-Lys) of the polyphenolic protein Mytilus edulis ?
-
?

Subunits

Subunits Comment Organism
tetramer alpha2beta2, alpha: 60000, beta: 57000, ratio 1.3 to 4, SDS-PAGE Mytilus edulis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
20
-
-
Mytilus edulis

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
denaturation above Mytilus edulis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.8 8.3
-
Mytilus edulis

Cofactor

Cofactor Comment Organism Structure
2-oxoglutarate
-
Mytilus edulis
ascorbate
-
Mytilus edulis