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Literature summary for 3.4.17.1 extracted from

  • Bodwell, J.E.; Meyer, W.L.
    Purification and characterization of carboxypeptidase A from rat skeletal muscle (1981), Biochemistry, 20, 2767-2777.
    View publication on PubMed

General Stability

General Stability Organism
generally unstable at all stages of purification Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
1,10-phenanthroline
-
Rattus norvegicus
3-Phenylpropionic acid Ki: 0.81 mM, noncompetitive Rattus norvegicus
Chelating agents
-
Rattus norvegicus
Hydroxyquinoline sulfonate
-
Rattus norvegicus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.11
-
hippuryl-L-phenyllactate
-
Rattus norvegicus
2.7
-
hippuryl-L-Phe
-
Rattus norvegicus

Metals/Ions

Metals/Ions Comment Organism Structure
Zn2+ metalloenzyme Rattus norvegicus
Zn2+ 1 mol Zn per mol of enzyme Rattus norvegicus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
37800
-
SDS-PAGE, component II Rattus norvegicus
39300
-
SDS-PAGE, component I Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
-
2 components: I, II
-

Purification (Commentary)

Purification (Comment) Organism
-
Rattus norvegicus

Source Tissue

Source Tissue Comment Organism Textmining
skeletal muscle mast cell Rattus norvegicus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Rattus norvegicus

Storage Stability

Storage Stability Organism
-20°C, NaCl-HEPES, pH 7.5, purified enzyme, 1 month, 10% loss of activity Rattus norvegicus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
hippuryl-DL-phenyllactate + H2O
-
Rattus norvegicus hippuric acid + DL-phenyllactate
-
ir
hippuryl-L-Phe + H2O
-
Rattus norvegicus hippuric acid + L-Phe
-
ir
hippuryl-L-phenyllactate + H2O
-
Rattus norvegicus hippuric acid + L-phenyllactate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
21
-
assay at Rattus norvegicus
30
-
assay at Rattus norvegicus

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
30
-
10 min, 50% loss of activity Rattus norvegicus
50
-
10 min, 50% loss of activity Rattus norvegicus

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
40
-
hippuryl-L-Phe
-
Rattus norvegicus
933
-
hippuryl-L-phenyllactate
-
Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 9
-
Rattus norvegicus
7.5
-
assay at Rattus norvegicus

pH Range

pH Minimum pH Maximum Comment Organism
5 10 pH 5: about 20% of maximum activity, pH 10: about 50% of maximum activity Rattus norvegicus

pH Stability

pH Stability pH Stability Maximum Comment Organism
6 9
-
Rattus norvegicus