LTP 

LTP (Low Throughput Papers) : The number of records in which this modification site was determined using methods other than discovery mass spectrometry.


 HTP 

HTP (High Throughput Papers): The number of records in which this modification site was assigned using ONLY proteomic discovery mass spectrometry.


       mouse

 
0 1   Y23 GESLEPAYYDCRFPQ
  human

 
Y23‑p GESLEPAyYDCRFPQ
  rat

 
- gap