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2.3.2.13: protein-glutamine gamma-glutamyltransferase

This is an abbreviated version!
For detailed information about protein-glutamine gamma-glutamyltransferase, go to the full flat file.

Word Map on EC 2.3.2.13

Reaction

protein glutamine
+
alkylamine
=
protein N5-alkylglutamine
+
NH3

Synonyms

AcTG-1, BmTGA, chloroplast transglutaminase, chlTGase, cold active transglutaminase, cold-active transglutaminase, EPB42, factor XIII, factor XIIIa, fibrin stabilizing factor, fibrinoligase, Galphah, glutamine:amine gamma-glutamyl-transferase, glutaminylpeptide gamma-glutamyltransferase, glutamyltransferase, glutaminylpeptide gamma-, gpTGase 2, gTG2, hfXIIIa, hTG2, hTGase 1, hTGase 2, hTGase 3, hTGase 6, KALB, KalbTG, KALB_7456, Laki-Lorand factor, mammalian transglutaminase, microbial transglutaminase, microbial transglutaminases, MsTGase, MTG, MTG-TX, MTGase, mTGase 2, OlTGT, plastidial transglutaminase, polyamine transglutaminase, protein 4.2, protein-glutamine gamma-glutamyltransferase, R-glutaminyl-peptide:amine gamma-glutamyl transferase, R-glutaminylpeptide-amine gamma-glutamyltransferase, SCTG, SMTG, STG I, t-TG, TG-2, TG1, TG2, TG3, TG4, TG5, TG6, TG7, tGA, TGase, TGase 1, TGase 2, Tgase 3, TGase 6, Tgase II, TGase-2, TGase2, TGB, TGK1, TGK2, TGL, TGM1, TGM2, TGM3, TGM4, TGM5, TGM6, TGM7, TGZ, tgz15, TGZo, tissue transglutaminase, tissue transglutaminase 2, tissue-TG, transglutaminase, transglutaminase 1, transglutaminase 2, transglutaminase 3, transglutaminase 6, transglutaminase C, transglutaminase factor XIII, transglutaminase type II, transglutaminase-2, transglutaminase-like protein, transglutaminase2, tTG, tTG-2, type 2 transglutaminase, type I transglutaminase, type-2 transglutaminase

ECTree

     2 Transferases
         2.3 Acyltransferases
             2.3.2 Aminoacyltransferases
                2.3.2.13 protein-glutamine gamma-glutamyltransferase

Temperature Range

Temperature Range on EC 2.3.2.13 - protein-glutamine gamma-glutamyltransferase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0 - 65
15 - 65
-
activity range, over 40% of maximal activity at 30-60°C
20 - 60
activity range, wild-type and mutant enzyme, profiles overview
20 - 70
activity range, profile overview
30 - 50
-
at pH 6.0, 30°C: about 70% of maximal activity, 50°C: about 70% of maximal activity
35 - 40
-
muscle enzyme
4 - 22
at 4°C, crayfish TGase shows high activity due to a decreasing Km value for pentylamine as a substrate, the kcat value is not affected at 22°C
4 - 37
the guinea pig liver enzyme shows very low activity at 4°C and high activity at 37°C
40 - 60
Nemipterus sp.
-
40°C: about 50% of maximal activity, 60°C: about 90% of maximal activity
additional information
-
cold-active enzymes have more flexible structures compared with their mesophilic and thermophilic counterparts. This flexibility contributes to the high catalytic activity as well as the high temperature instability of cold active enzymes