Juvenilhormonbindende Substanzen mit allosterischen Eigenschaften in den Ovarien von Tenebrio molitor L. / Juvenile Hormone Binding Substances with Allosteric Properties in the Ovaries of Tenebrio molitor L
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Medientyp:
E-Artikel
Titel:
Juvenilhormonbindende Substanzen mit allosterischen Eigenschaften in den Ovarien von Tenebrio molitor L. / Juvenile Hormone Binding Substances with Allosteric Properties in the Ovaries of Tenebrio molitor L
Beschreibung:
<jats:title>Abstract</jats:title>
<jats:p> Some receptor proteins were isolated from the ovaries of Tenebrio molitor L. One had a molecular weight of 8 × 10<jats:sup>5</jats:sup> and an isoelectric point of 5.4. In the range of 1 ×</jats:p>
<jats:p> 10<jats:sup>6 </jats:sup>- 4 × 10<jats:sup>7</jats:sup> dalton JH-binding particles are existing with the same isoelectric point of 2.5. All proteins showed allosteric effects. Under the used conditions they are stable against heating and some enzymes, precipitable with 5% trichloro acetic acid and hydrolyzable with 1 ɴ HCl. The binding is specific and not displaceable with a great excess of substances with the same polarity.</jats:p>