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4.2.1.24: porphobilinogen synthase

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

Word Map on EC 4.2.1.24

Reaction

2 5-aminolevulinate =

porphobilinogen
+ 2 H2O

Synonyms

5-aminolaevulinic acid dehydratase, 5-aminolevulinate dehydrase, 5-aminolevulinate dehydratase, 5-aminolevulinate hydro-lyase (adding 5-aminolevulinate and cyclizing), 5-aminolevulinic acid dehydrase, 5-aminolevulinic acid dehydratase, 5-levulinic acid dehydratase, Al-D, ALA dehydratase, ALA synthetase, ALA-D, ALAD, ALADH, aminolevulinate dehydrase, aminolevulinate dehydratase, aminolevulinic dehydratase, CF-2, d-ALAD, delta aminolevulinic acid dehydratase, delta-ALA-D, delta-ALAD, delta-aminolevulinate dehydrase, delta-aminolevulinate dehydratase, delta-aminolevulinate dehydrataseALAD, delta-aminolevulinic acid dehydrase, delta-aminolevulinic acid dehydratase, delta-aminolevulinic dehydratase, gamma-aminolevulinic acid dehydratase, HemB, PaPBGS, PBG synthase, PBG-S, PBG-synthase, PBGS, Pcal_1709, PfALAD, PGBS, Porphobilinogen synthase, porphobilinogen synthetase, synthase, porphobilinogen, TgPBGS

ECTree

     4 Lyases
         4.2 Carbon-oxygen lyases
             4.2.1 Hydro-lyases
                4.2.1.24 porphobilinogen synthase

pH Optimum

pH Optimum on EC 4.2.1.24 - porphobilinogen synthase

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pH OPTIMUM
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5.9 - 8
pH 5.9: about 50% of maximal activity, pH 8.0: about 70% of maximal activity, wild-type enzyme
6.3
-
-
6.3 - 6.4
-
-
6.3 - 6.7
-
-
6.9 - 7.1
-
-
7.5 - 8
-
-
7.5 - 8.5
-
-
7.7 - 9.2
-
-
8 - 8.6
-
in citrate buffer, Tris-maleate buffer, imidazole buffer and Tris buffer
8.6
-
in presence of Mg2+ and K+
9.4
-
two pH-optima at pH 8.5 and at pH 9.4
additional information