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Chelation of Ca2+ ions by a peptide from the repeat region of the Plasmodium falciparum circumsporozoite protein

Overview of attention for article published in Malaria Journal, May 2014
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Title
Chelation of Ca2+ ions by a peptide from the repeat region of the Plasmodium falciparum circumsporozoite protein
Published in
Malaria Journal, May 2014
DOI 10.1186/1475-2875-13-195
Pubmed ID
Authors

Elena Topchiy, Teresa Lehmann

Abstract

Elegant efforts towards the determination of the structural tendencies of peptides derived from the Plasmodium falciparum circumsporozoite protein allowed the proposal of a left-handed helical conformation for this protein. The use of circular dichroism and Fourier-transformed infrared spectroscopy applied to various peptides derived from this protein, indicated that they bind Ca²⁺ ions in helical environments. The essential role of calcium in cell function and biological mechanisms is well known. It influences the development of several stages of the P. falciparum parasite. However, there is very little knowledge regarding calcium coordination to circumsporozoite proteins. In the present investigation the chelation of Ca²⁺ by the (NANPNVDP)₃NANP peptide, which contains the first seven 4-amino-acid blocks of the repeat region of the P. falciparum circumsporozoite protein, is tested with the use of circular dichroism and nuclear magnetic resonance spectroscopies. Spectroscopy-based solution conformations of the Ca-bound peptide are also determined.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 14 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 7%
Unknown 13 93%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 21%
Student > Ph. D. Student 3 21%
Student > Bachelor 2 14%
Student > Doctoral Student 1 7%
Other 1 7%
Other 1 7%
Unknown 3 21%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 4 29%
Agricultural and Biological Sciences 2 14%
Chemistry 2 14%
Medicine and Dentistry 2 14%
Unknown 4 29%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 May 2014.
All research outputs
#18,372,841
of 22,756,196 outputs
Outputs from Malaria Journal
#5,028
of 5,553 outputs
Outputs of similar age
#163,055
of 226,570 outputs
Outputs of similar age from Malaria Journal
#80
of 102 outputs
Altmetric has tracked 22,756,196 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,553 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.8. This one is in the 4th percentile – i.e., 4% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 226,570 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 15th percentile – i.e., 15% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 102 others from the same source and published within six weeks on either side of this one. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.