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.


       human

 
0 1   N168 HFPFDQQNCTMKFRS
0 1   A375 REREGAGALFFREAP
  mouse

 
N168‑ng HFPFDQQnCTMKFRS
T375‑p REREGAGtLFFREGP