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Literature summary extracted from

  • Baslow, M.H.; Lenney, J.F.
    Alpha-N-acetyl-L-histidine amidohydrolase activity from the brain of the skipjack tuna Katsuwonus pelamis (1967), Can. J. Biochem., 45, 337-349.
    View publication on PubMed

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.13.5 83000
-
 gel filtration Katsuwonus pelamis

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
3.4.13.5 additional information Katsuwonus pelamis enzyme may be required to degrade N-acetyl-L-histidine after formation of a transient capsular complex ?
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
3.4.13.5 Katsuwonus pelamis
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.13.5
-
 Katsuwonus pelamis

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.4.13.5 lens cortex, concentrated in the capsule at levels up to 3 mg/ml Katsuwonus pelamis
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.4.13.5 0.13
-
-
 Katsuwonus pelamis

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.13.5 additional information no activity with: N-acetylhistamine, N-acetyl-L-Trp, N-acetyl-L-Tyr, N-acetyl-L-Ala, N-acetyl-L-Val, N-acetylglycine, N-acetyl-L-Glu, N-acetyl-L-Asp, N-acetyl-L-Cys, N-acetyl-L-Orn Katsuwonus pelamis ?
-
 ?
3.4.13.5 additional information enzyme may be required to degrade N-acetyl-L-histidine after formation of a transient capsular complex Katsuwonus pelamis ?
-
 ?
3.4.13.5 N-acetyl-L-His + H2O
-
 Katsuwonus pelamis His + acetate
-
 ?
3.4.13.5 N-acetyl-L-methionine + H2O
-
 Katsuwonus pelamis L-Met + acetate
-
 ?

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.4.13.5 7 7.3
-
 Katsuwonus pelamis

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.4.13.5 6.5 7.8 activity is sharply reduced below pH 6.5 and above pH 7.8 Katsuwonus pelamis