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Literature summary for 2.7.1.30 extracted from

  • Narwal, V.; Pundir, C.S.
    An improved amperometric triglyceride biosensor based on co-immobilization of nanoparticles of lipase, glycerol kinase and glycerol 3-phosphate oxidase onto pencil graphite electrode (2017), Enzyme Microb. Technol., 100, 11-16 .
    View publication on PubMed

Protein Variants

Protein Variants Comment Organism
additional information co-immobilization of nanoparticles of lipase, glycerol kinase and glycerol 3-phosphate oxidase onto pencil graphite electrode, function as improved amperometric triglyceride biosensor. An improved amperometric triglyceride (TG) biosensor is fabricated using lipaseNPs/GKNPs/GPONPs/PG electrode as the working electrode, Ag/AgCl as the standard electrode and Pt wire as auxiliary electrode. The biosensor shows optimum response within 2.5 s at pH 7.0 and temperature of 35°C. The biosensor measures current due to electrons generated at 0.1 V against Ag/AgCl, from H2O2, which is produced from triolein by co-immobilized enzyme nanoparticles (ENPs). The biosensor is evaluated and employed for determination of triglyceride in the serum of apparently healthy subject and persons suffering from hypertriglyceridemia. The biosensor loses 20% of its initial activity after continued uses over a period of 240 days, while being stored at 4°C. Construction of the biosensor, evaluation, and optimization, overview Cellulomonas sp.

Metals/Ions

Metals/Ions Comment Organism Structure
Mg2+ required Cellulomonas sp.

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
128000
-
gel filtration Cellulomonas sp.

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
ATP + glycerol Cellulomonas sp.
-
ADP + sn-glycerol 3-phosphate
-
?

Organism

Organism UniProt Comment Textmining
Cellulomonas sp.
-
-
-

Source Tissue

Source Tissue Comment Organism Textmining
commercial preparation
-
Cellulomonas sp.
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
25 75 purified enzyme, pH 9.8, 25°C Cellulomonas sp.

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
ATP + glycerol
-
Cellulomonas sp. ADP + sn-glycerol 3-phosphate
-
?

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
35
-
enzyme in biosensor on graphite electrode Cellulomonas sp.

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7
-
enzyme in biosensor on graphite electrode Cellulomonas sp.