Electronic Resource
Oxford, UK
:
Blackwell Publishing Ltd
The @journal of eukaryotic microbiology
45 (1998), S. 0
ISSN:
1550-7408
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Biology
Notes:
The amino acid composition and hydrophobicity scale (hydropathy) of calcium-binding proteins contained in the contractile spasmoneme of Carchesium polypinum was compared with other calcium-binding proteins from eukaryotes. Spasmins which may hind at most 4 calcium ions simultaneously and initiate spasmoneme contraction cooperatively belong to a super family of proteins including; centrin/caltractin and calmodulin. Based on chemical modification of tryptophan and methionine, these residues are involved in contraction but the spasmin proteins contain little or none of these amino acids. Based on this evidence, it is suggested that another, non-calcium binding protein(s) is involved in spasmoneme contraction.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1550-7408.1998.tb05066.x
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