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3.5.1.2: glutaminase

This is an abbreviated version!
For detailed information about glutaminase, go to the full flat file.

Word Map on EC 3.5.1.2

Reaction

L-glutamine
+
H2O
=
L-glutamate
+
NH3

Synonyms

AnsB, AoGls, GA, GAB, GAC, GahB, GLA, GLNase, GLS, GLS1, GLS2, GlsA, glutaminase, glutaminase 1, glutaminase 2, glutaminase A, glutaminase B, glutaminase C, glutaminase I, glutaminase K, glutaminase L, glutaminase-1, glutaminase-2, glutaminase-B, glutamine amidohydrolase, glutamine aminohydrolase, glutamine deamidating enzyme, K-glutaminase, KAG, KGA, kidney-type glutaminase, kidney-type-glutaminase, L-glutaminase, L-glutamine amidohydrolase, LAG, LGA, liver-type glitaminase, liver-type glutaminase, Mglu, Micrococcus glutaminase Mglu, Micrococcus luteus K-3-type glutaminase, mitochondrial glutaminase, N-PAG, neuroblastoma glutaminase, neuroblastoma PAG, Nit 2, nitrilase 2, omega-amidase, PAG, PDX2, phosphate activated glutaminase, phosphate-activated glutaminase, phosphate-activated L-glutamine amidohydrolase, salt-tolerant glutaminase, YaaE

ECTree

     3 Hydrolases
         3.5 Acting on carbon-nitrogen bonds, other than peptide bonds
             3.5.1 In linear amides
                3.5.1.2 glutaminase

pH Range

pH Range on EC 3.5.1.2 - glutaminase

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pH RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
4 - 8.5
-
more than 50% activity between pH 4.0 and 8.5
5 - 11
-
over 40% activity at pH 5 and over 70"% at pH 11
5 - 12
-
activity range
5.5 - 11
-
-
6 - 11
-
pH 6.0: about 55% of maximal activity, pH 11.0: about 55% of maximal activity, hydrolysis of Gln
7 - 8
-
more than 70% relative activity in pH range from 7.0 to 8.0. Loss of activity is elevated at higher pH (above 8.0), and the enzyme retains 27% of optimum activity when assayed at pH 8.5
8 - 12
about 85% activity at pH 8.0, about 90% activity at pH 9.0, 100% activity at pH 10.0, about 45% activity at pH 11.0, about 30% activity at pH 12.0