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   S6‑p __MSGLPsDMDLYKL
0 1   R151‑m2 YSVSMSPrVYVPLIT
  mouse

 
P6 __MSIHSPGYTVRRI
R151 YAVKMSPRVYIPLII