spermine वाक्य
उदाहरण वाक्य
मोबाइल
- Primary examples are putrescine, cadaverine, spermidine, and spermine.
- Spermine is the chemical primarily responsible for the characteristic odor of semen.
- Its activity is inhibited by spermine, sphingosine, and several phospholipids.
- Spermidine is a precursor to further polyamines, such as spermine and its structural isomer thermospermine.
- For comparison the similar substance spermine, found in semen, is over 3 times as toxic.
- "' Spermine "'is a polyamine involved in cellular metabolism found in all bacteria.
- Crystals of spermine phosphate were first described in 1678, in human semen, by Antonie van Leeuwenhoek.
- Agmatinase hydrolyses agmatine to putrescine, the precursor for the biosynthesis of higher polyamines, spermidine and spermine.
- Basic amines such as putrescine, spermine, spermidine and cadaverine are responsible for the smell and flavor of semen.
- :spermine + O 2 + H 2 O \ rightleftharpoons spermidine + 3-aminopropanal + H 2 O 2
- This compound then donates its n-propylamine group in the biosynthesis of polyamines such as spermidine and spermine from putrescine.
- A mixture of 5-methoxysalicylic acid and spermine can be used as a matrix for oligonucleotides analysis in MALDI mass spectrometry.
- Allosteric receptor binding sites for zinc, proteins and the polyamines spermidine and spermine are also modulators for the NMDA receptor channels.
- Polyamines ( spermidine and spermine ) have been observed to be released from " S . boulardii " in the rat ileum.
- QRICH2 protein has some sequence similarities with the spermidine / spermine N ( 1 )-acetyl-like protein 1 in several species.
- The ornithine decarboxylation reaction catalyzed by ornithine decarboxylase is the first and committed step in the synthesis of polyamines, particularly putrescine, spermidine and spermine.
- It is found as a polycation at physiological pH . Spermine is associated with nucleic acids and is thought to stabilize helical structure, particularly in viruses.
- Spermidine / spermine N ( 1 )-acetyltransferase ( SPD / SPM acetyltransferase ) is a rate-limiting enzyme in the catabolic pathway of polyamine metabolism.
- It's the type of chemical ( Spermine and Spermidine in particular ) that give semen its smell .-- BluePlatypus 01 : 49, 23 April 2006 ( UTC)
- It catalyzes the N ( 1 )-acetylation of spermidine and spermine and, by the successive activity of polyamine oxidase, spermine can be converted to spermidine and spermidine to putrescine.
- अधिक वाक्य: 1 2
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