<p>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.</p>

CC BY-SA 4.0
2020-12-20T14:20:57.067Z
2020-12-20T14:20:57.067Z
Devon Ryan
<p>Sorry if this question is obvious - I'm not familiar with proteomics so I'm not sure of the standard units.</p>
<p><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2805705/" rel="nofollow noreferrer">In this paper</a>, 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?</p>

CC BY-SA 4.0
2020-12-18T17:13:03.647Z
Number of amino acids.
Matteo Ferla
CC BY-SA 4.0
2020-12-19T01:16:03.257Z
The paper clearly states `protein length (number of amino acids)`.
Ram RS
CC BY-SA 4.0
2020-12-19T11:48:05.770Z
Isn't this exactly the type of questions we like on this site?
Kamil S Jaron
<proteins><proteomics>
What unit is the length of a protein measured in?
# What unit is the length of a protein measured in?

(Asked by: username_0 on 2020-12-18)

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

[In this paper](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2805705/), 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?

**Tags:** proteins, proteomics
> **Comments:**
> **username_1**: Number of amino acids.  
> **username_2**: The paper clearly states `protein length (number of amino acids)`.  
> **username_3**: Isn't this exactly the type of questions we like on this site?  

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## 1 answers

### Answer by username_4 on 2020-12-20. Score: 1 | Accepted answer

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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