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Literature summary for 3.1.3.26 extracted from

  • Shedova, E.; Lipasova, V.; Velikodvorskaya, G.; Ovadis, M.; Chernin, L.; Khmel, I.
    Phytase activity and its regulation in a rhizospheric strain of Serratia plymuthica (2008), Folia Microbiol. (Praha), 53, 110-114.
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
additional information mutations of genes grrA and grrS, encoding GacA/GacS-like 2-component global regulatory system, or in gene rpoS encoding the sigma factor RpoS subunit of RNA polymerase, leads to a deficiency in phytase production. Introduction into mutants of the respective wild-type genes cloned into the wide-range plasmid pJFF224-NX under the control of the bacteriophage T4 gene 32 promoter complements this deficiency Serratia plymuthica

Organism

Organism UniProt Comment Textmining
Serratia plymuthica
-
the enzyme may be a 3-phytase, EC 3.1.3.8, or a 4-phytase (synonym 6-phytase, EC 3.1.3.26). The product of the hydrolysis of myo-inositol hexakisphosphate to 1D-myo-inositol 1,2,4,5,6-pentakisphosphate (3-phytase) or 1D-myo-inositol 1,2,3,5,6-pentakisphosphate (4-phytase) (i.e. 1L-myo-inositol 1,2,3,4,5-pentakisphosphate if 1L numbering is applied) has not been analyzed. The reaction was monitored by analyzing the released phosphate
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Serratia plymuthica IC1270
-
the enzyme may be a 3-phytase, EC 3.1.3.8, or a 4-phytase (synonym 6-phytase, EC 3.1.3.26). The product of the hydrolysis of myo-inositol hexakisphosphate to 1D-myo-inositol 1,2,4,5,6-pentakisphosphate (3-phytase) or 1D-myo-inositol 1,2,3,5,6-pentakisphosphate (4-phytase) (i.e. 1L-myo-inositol 1,2,3,4,5-pentakisphosphate if 1L numbering is applied) has not been analyzed. The reaction was monitored by analyzing the released phosphate
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Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
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phytase activity is found intracellularly while no activity is detected in the culture liquid Serratia plymuthica
additional information
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phytase production is practically absent in the exponential phase and reaches a maximum in the late stationary phase Serratia plymuthica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information enzyme hydrolyzes phytate, the enzyme may be a 3-phytase, EC 3.1.3.8, or a 4-phytase (synonym 6-phytase, EC 3.1.3.26). The product of the hydrolysis of myo-inositol hexakisphosphate to 1D-myo-inositol 1,2,4,5,6-pentakisphosphate (3-phytase) or 1D-myo-inositol 1,2,3,5,6-pentakisphosphate (4-phytase) (i.e. 1L-myo-inositol 1,2,3,4,5-pentakisphosphate if 1L numbering is applied) has not been analyzed. The reaction was monitored by analyzing the released phosphate Serratia plymuthica ?
-
?
additional information enzyme hydrolyzes phytate, the enzyme may be a 3-phytase, EC 3.1.3.8, or a 4-phytase (synonym 6-phytase, EC 3.1.3.26). The product of the hydrolysis of myo-inositol hexakisphosphate to 1D-myo-inositol 1,2,4,5,6-pentakisphosphate (3-phytase) or 1D-myo-inositol 1,2,3,5,6-pentakisphosphate (4-phytase) (i.e. 1L-myo-inositol 1,2,3,4,5-pentakisphosphate if 1L numbering is applied) has not been analyzed. The reaction was monitored by analyzing the released phosphate Serratia plymuthica IC1270 ?
-
?

Synonyms

Synonyms Comment Organism
phytase
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Serratia plymuthica

pH Range

pH Minimum pH Maximum Comment Organism
2.5 7 enzymatic activity disappears at pH above 7.0 and below 2.5 Serratia plymuthica
4 5 optimal activity Serratia plymuthica