Application | Comment | Organism |
---|---|---|
diagnostics | labeling of prostaglandin E2 with the bioluminescent enzyme Cypridina luciferase linked to monoclonal anti-prostaglandin E2 antibody as enzyme-linked immunosorbent assay (ELISA) system, detection of 7.8-500 pg/ml prostaglandin E2 | Cypridina noctiluca |
Protein Variants | Comment | Organism |
---|---|---|
additional information | conjugation of prostaglandin E2 to luciferase by producing the N-hydroxysuccinimidyl ester of prostaglandin E2 by reaction of N-hydroxysuccinimde and 1-ethyl-3-(dimethylaminopropyl)carbodiimide hydrochloride and conjugation of the ester to luciferase (ratio 18/1) in 0.1 M potassium phosphate buffer, pH 7.2, with 0.15 M NaCl for 13 h on ice | Cypridina noctiluca |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.0016 | - |
Cypridina luciferin | 35 nM recombinant prostaglandin E2-luciferase diluted with 0.1 M Tris buffer (pH 7.4) containing 0.05% bovine serum albumin, 1 nM monoclonal anti-prostaglandin E2 antibody, incubation for 18 h, 4°C, in the dark, addition of 1 microM Cypridina luciferin in 0.1 M Tris-HCl buffer (pH 7.4) containing 0.3 M sodium ascorbate and 0.02 M Na2SO3 for bioluminescence reading | Cypridina noctiluca |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
Cypridina luciferin + O2 | Cypridina noctiluca | - |
oxidized Cypridina luciferin + CO2 + hv | bioluminescence | ? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Cypridina noctiluca | - |
sea-firefly | - |
Purification (Comment) | Organism |
---|---|
loading of recombinant prostaglandin E2 luciferase onto size-exclusion column, elution with 0.1 M potassium phosphate buffer, pH 7.2, and 0.15 M NaCl, fractions with bioluminescent activities (Cypridina luciferin solution, 0.1 M Tris-HCl, pH 7.4, 0.3 M sodium ascorbate, 0.2 M Na2SO3) are combined and stored at -30°C | Cypridina noctiluca |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
recombinant luciferase exhibits 14% activity of wild-type Cypridina luciferase | Cypridina noctiluca |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
Cypridina luciferin + O2 | - |
Cypridina noctiluca | oxidized Cypridina luciferin + CO2 + hv | bioluminescence | ? |
Synonyms | Comment | Organism |
---|---|---|
Cypridina luciferase | - |
Cypridina noctiluca |
PGE2-luciferase | recombinant luciferase conjugated with N-hydroxysuccinimidyl ester of prostaglandin E2 | Cypridina noctiluca |