Definition of spermine in English:

Share this entry

spermine

Pronunciation: /ˈspərmēn/

noun

Biochemistry
A deliquescent compound that acts to stabilize various components of living cells and is widely distributed in living and decaying tissues.
  • A polyamine; chemical formula: (H2N(CH2)3NH(CH2)2)2.
Example sentences
  • The binding model displayed in Fig.8 A has been observed from crystallographic studies on B-DNA dodecamers stabilized with spermine.
  • Because of their positive charges, putrescine, spermidine, and spermine show a high affinity with the acidic constituents of the cell (RNA, DNA, ATP, acidic proteins, phospholipids, etc.).
  • The flexible polyamine spermine displays a high presence in the minor groove but does not form long-lived and structurally defined complexes.

Origin

So called because first found in sperm.

For editors and proofreaders

Syllabification: sper·mine

Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.