Metals/Ions | Comment | Organism | Structure |
---|---|---|---|
Mg2+ | activity of 1 of 7 isoforms of saporin is dependent on magnesium concentration | Saponaria officinalis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
27500 | 30100 | 7 major saporins, gel filtration | Saponaria officinalis |
30200 | - |
1 * 30200, SO-R1, SDS-PAGE | Saponaria officinalis |
30900 | - |
1 * 30900, SO-R2, SO-R3, and SO-S%, SDS-PAGE | Saponaria officinalis |
31600 | - |
1 * 31600, SO-L1, SO-L2, and SO-S6, SDS-PAGE | Saponaria officinalis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
rRNA + H2O | Saponaria officinalis | - |
? | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Saponaria officinalis | - |
saporins | - |
Posttranslational Modification | Comment | Organism |
---|---|---|
glycoprotein | 2 saporins present in roots, SO-R1 and SO-R3 are glycosylated | Saponaria officinalis |
Purification (Comment) | Organism |
---|---|
7 major saporins | Saponaria officinalis |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
flower | - |
Saponaria officinalis | - |
fruit | - |
Saponaria officinalis | - |
leaf | - |
Saponaria officinalis | - |
root | - |
Saponaria officinalis | - |
seed | - |
Saponaria officinalis | - |
stem | - |
Saponaria officinalis | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
additional information | - |
specific activity 5000 units/mg of protein in old leaves, 6920 in young leaves, 6900 in stems, 37000 in roots, 640 in flower petals, 5400 in flower sepals, 2700 in flower ovaries, 1100 in flower pistils, 7000 in fruits skins, 365 in fruits cores, 17 in seeds at stage I, 135000 in seeds at stage II and III, and 120000 at stage IV, one unit is defined as the amount of protein necessary to inhibit protein synthesis by 50% in 1 ml of rabbit-reticulocyte lysate, specific activity of purified protein from seeds 633000, from roots 69200 | Saponaria officinalis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
additional information | all saporins are very active on cell-free translation systems derived from rabbit reticulocyte lysates, rat liver, Triticum aestivum, Cucumis sativus and Vicia sativa, but poor inhibitors of Escherichia coli translations systems , they inhibit protein synthesis in HeLa, BeWo and NB100 cells | Saponaria officinalis | ? | - |
? | |
rRNA + H2O | - |
Saponaria officinalis | ? | - |
? | |
rRNA + H2O | rat liver 28 S rRNA | Saponaria officinalis | ? | - |
? |
Subunits | Comment | Organism |
---|---|---|
monomer | 1 * 30200, SO-R1, SDS-PAGE | Saponaria officinalis |
monomer | 1 * 31600, SO-L1, SO-L2, and SO-S6, SDS-PAGE | Saponaria officinalis |
monomer | 1 * 30200-31600, 7 major saporins, SDS-PAGE | Saponaria officinalis |
monomer | 1 * 30900, SO-R2, SO-R3, and SO-S%, SDS-PAGE | Saponaria officinalis |