Sorry if this question is obvious - I'm not familiar with proteomics so I'm not sure of the standard units.

In this paper, it talks about using the length of a protein to calculate the NSAF value. However, it doesn't specify the units. Would it be peptides, amino acids or nucleic acids? Or something else?

  • 2
    $\begingroup$ Number of amino acids. $\endgroup$ Commented Dec 18, 2020 at 17:13
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    $\begingroup$ The paper clearly states protein length (number of amino acids). $\endgroup$
    – Ram RS
    Commented Dec 19, 2020 at 1:16
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    $\begingroup$ Isn't this exactly the type of questions we like on this site? $\endgroup$ Commented Dec 19, 2020 at 11:48

1 Answer 1


As mentioned by others, it's the number of amino acids. Alternative measurements could be in Angstroms or similar, but that would require at least an approximate structure.


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