Answers.Body: <p><em>Answer from @user438383, @matteo-ferla and @m, converted from comments [anyone, feel free to edit this answer to improve it]:</em></p>
  <p>According to the intro it means 'pseudocenter'. All measurements are relative to an assigned point because a protein doesn't have a 'centre' they assigned it as a pseudocentre.</p>
  <p>Note that PC normally means principal component, but that does not seem to be the case here.</p>
  
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Body: <p>What does it mean by &quot;PC&quot; in this article?</p>
  <ul>
  <li><a href="https://pubmed.ncbi.nlm.nih.gov/24995959/" rel="nofollow noreferrer">a fast and efficient Cα-based method for accurately assigning protein secondary structure elements</a></li>
  </ul>
  <p><a href="https://i.sstatic.net/h7JCE.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/h7JCE.png" alt="enter image description here" /></a></p>
  
Tags: <protein-structure><algorithms>
Title: What does it mean by "PC" in this article?
ThreadText: # What does it mean by "PC" in this article?
  
  (Asked by: username_0 on 2022-01-17)
  
  What does it mean by "PC" in this article?
  
  * [a fast and efficient Cα-based method for accurately assigning protein secondary structure elements](https://pubmed.ncbi.nlm.nih.gov/24995959/)
  
  [![enter image description here](https://i.sstatic.net/h7JCE.png)](https://i.sstatic.net/h7JCE.png)
  
  **Tags:** protein-structure, algorithms
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2022-01-23. Score: 3 | Accepted answer
  
  *Answer from @user438383, @matteo-ferla and @m, converted from comments [anyone, feel free to edit this answer to improve it]:*
  
  According to the intro it means 'pseudocenter'. All measurements are relative to an assigned point because a protein doesn't have a 'centre' they assigned it as a pseudocentre.
  
  Note that PC normally means principal component, but that does not seem to be the case here.
  
  
  ---
  
  