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Literature summary for 2.1.1.8 extracted from

  • Rajtar, S.; Irman-Florjanc, T.
    Amitriptyline affects histamine-N-methyltransferase and diamine oxidase activity in rats and guinea pigs (2007), Eur. J. Pharmacol., 574, 201-208.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Cavia porcellus
-
-
-
Rattus norvegicus
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
cerebrum
-
Cavia porcellus
-
kidney
-
Cavia porcellus
-
kidney
-
Rattus norvegicus
-
large intestine
-
Cavia porcellus
-
lung RNA expression is amplified after treatment with amitriptyline Cavia porcellus
-
small intestine
-
Cavia porcellus
-
spleen
-
Rattus norvegicus
-
spleen RNA expression is amplified after treatment with amitriptyline Cavia porcellus
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
enzyme activities are increased in spleen and kidney of amitriptyline treated rats Rattus norvegicus
additional information
-
enzyme activities are increased in tissues of amitriptyline treated guinea pigs Cavia porcellus
0.000022
-
large intestine, saline treated Cavia porcellus
0.000028
-
large intestine, amitriptyline treated Cavia porcellus
0.000036
-
kidney, saline treated Cavia porcellus
0.000038
-
lung, saline treated Cavia porcellus
0.000052
-
lung, amitriptyline treated Cavia porcellus
0.000054
-
kidney, amitriptyline treated Cavia porcellus
0.00008
-
cerebrum, saline treated Cavia porcellus
0.000101
-
small intestine, saline treated Cavia porcellus
0.000121
-
cerebrum, amitriptyline treated Cavia porcellus
0.000132
-
spleen, saline treated Cavia porcellus
0.000163
-
small intestine, amitriptyline treated Cavia porcellus
0.000165
-
spleen, amitriptyline treated Cavia porcellus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + histamine
-
Cavia porcellus S-adenosyl-L-homocysteine + N-methylhistamine
-
?
S-adenosyl-L-methionine + histamine
-
Rattus norvegicus S-adenosyl-L-homocysteine + N-methylhistamine
-
?

Synonyms

Synonyms Comment Organism
histamine N-methyltransferase
-
Cavia porcellus
histamine N-methyltransferase
-
Rattus norvegicus
HNMT
-
Cavia porcellus
HNMT
-
Rattus norvegicus

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Cavia porcellus
37
-
assay at Rattus norvegicus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7.5
-
assay Cavia porcellus
7.5
-
assay Rattus norvegicus