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Literature summary for 3.4.11.5 extracted from

  • Waters, S.P.; Dalling, M.J.
    Purification and characterization of an iminopeptidase from the primary leaf of wheat (Triticum aestivum L.) (1983), Plant Physiol., 73, 1048-1054.
    View publication on PubMedView publication on EuropePMC

Inhibitors

Inhibitors Comment Organism Structure
Ag+
-
Triticum aestivum
Bathocuproine inhibitor binds specifically to Cu2+ Triticum aestivum
Cu2+
-
Triticum aestivum
N-ethylmaleimide
-
Triticum aestivum
p-chloromercuribenzoate
-
Triticum aestivum
Pb2+
-
Triticum aestivum
Zn2+
-
Triticum aestivum

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.01
-
L-Pro-2-naphthylamide
-
Triticum aestivum
0.125
-
Hyp-2-naphthylamide
-
Triticum aestivum
1.79
-
Pro-Gly
-
Triticum aestivum
27.8
-
Hyp-Gly
-
Triticum aestivum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
400000
-
gradient gel electrophoresis Triticum aestivum

Organism

Organism UniProt Comment Textmining
Triticum aestivum
-
wheat
-

Purification (Commentary)

Purification (Comment) Organism
-
Triticum aestivum

Source Tissue

Source Tissue Comment Organism Textmining
leaf of 7 days old seedlings Triticum aestivum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Triticum aestivum
68.3
-
Pro-p-nitroanilide Triticum aestivum

Storage Stability

Storage Stability Organism
-15°C, 50% v/v glycerol Triticum aestivum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Hyp-2-naphthylamide + H2O
-
Triticum aestivum Hyp + 2-naphthylamine
-
?
Hyp-Gly + H2O
-
Triticum aestivum Hyp + Gly
-
?
L-hydroxyproline-2-naphthylamide + H2O
-
Triticum aestivum L-hydroxyproline + 2-naphthylamine
-
?
L-Pro-2-naphthylamide + H2O
-
Triticum aestivum L-Pro + 2-naphthylamine
-
?
L-prolyl-peptide + H2O
-
Triticum aestivum L-proline + peptide
-
?
N-L-Pro-2-naphthylamide + H2O
-
Triticum aestivum L-proline + naphthylamine
-
?
Pro-Gly + H2O
-
Triticum aestivum Pro + Gly
-
?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
40
-
120 min Triticum aestivum
50
-
120 min, 70% activity Triticum aestivum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.4
-
-
Triticum aestivum

pH Range

pH Minimum pH Maximum Comment Organism
5.1
-
no activity below Triticum aestivum

pH Stability

pH Stability pH Stability Maximum Comment Organism
7.25 9
-
Triticum aestivum