anchor.diff:  LYN,Y,396,Y,397,off by 1 (methionine removed)
   MAP2K2,S,218,S,222,numbering from MAP2K1
   PRKAA1,S,487,S,496,immunogen using misnumbered SGpSVS sequence
  +PRKAA1,T,172,T,183,"Listed as T172/183 in some online resources, not clear where T172 comes from"
   SHC1,S,29,S,139,numbering from isoform p52
   SHC1,Y,239,Y,349,numbering from isoform p52
   SHC1,Y,317,Y,427,numbering from isoform p52
  
positive.code: Gene,OrigRes,OrigPos,CorrectRes,CorrectPos,Comment
  ARHGEF2,S,885,S,886,off by one
  BRAF,T,151,S,151,wrong residue
  BRAF,S,578,S,579,wrong residue
  
negative.code: MAPK3,Y,203,Y,204,off by one
  MAPK7,T,218,T,219,off by one
  MAPK7,Y,220,Y,221,off by one
  MAPK10,T,183,T,221,"numbering from isoform 3, supported by UniProt, Phosphosite"
  MAPK10,Y,185,Y,223,"numbering from isoform 3, supported by UniProt, Phosphosite"
  PAK1,S,198,S,199,off by one
  PAK1,S,203,S,204,off by one
  RAF1,S,269,T,269,wrong residue
  