PTM - PHOSIDA Symbol Accession Code Position Surrounding Sequence Type ntl-4 C49H3.5a S 269 KILAPTpSNSPRRY phosphorylation ntl-4 C49H3.5a S 271 LAPTSNpSPRRYLE phosphorylation ntl-4 C49H3.5a S 470 SFRREApSPPPGLA phosphorylation ntl-4 C49H3.5a S 480 GLARFNpSDDDLGF phosphorylation