PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA Q5NCM5 S192-p Phosphorylation EYGkAGGsPAsyHGs Q5NCM5 S195-p Phosphorylation kAGGsPAsyHGsPEA Q5NCM5 Y196-p Phosphorylation AGGsPAsyHGsPEAS Q5NCM5 S199-p Phosphorylation sPAsyHGsPEASLCP Q5NCM5 K188-ub Ubiquitination YSEQEYGkAGGsPAs

PTM - PHOSIDA Symbol Accession Code Position Surrounding Sequence Type Epn2 IPI00336844 S 173 TFGRGSpSQPNLST phosphorylation Epn2 IPI00336844 S 192 YGKAGGpSPASYHG phosphorylation Epn2 IPI00336844 S 195 AGGSPApSYHGSTS phosphorylation Epn2 IPI00336844 S 201 SYHGSTpSPRVSSE phosphorylation Epn2 IPI00336844 S 439 SVPPQDpSRTTSPD phosphorylation Epn2 IPI00336844 S 443 QDSRTTpSPDLFES phosphorylation Epn2 IPI00336844 T 441 PPQDSRpTTSPDLF phosphorylation Epn2 IPI00336844 T 465 PSSARKpTPESFLG phosphorylation Epn2 IPI00336844 Y 196 GGSPASpYHGSTSP phosphorylation Epn2 IPI00464280 S 195 AGGSPApSYHGSPE phosphorylation Epn2 IPI00464280 S 199 PASYHGpSPEASLC phosphorylation

PTM - mUbiSiDa Gene Name Species Ubiquitination Site Ubiquitination Sequence Evidence PMID Epn2 Mus musculus (Mouse) 135; 125; 447; 521; 153; 146; 206 "135,YIDRDGKDQGINV; 125,FAIQTLKDFQYID; 447,PASNAGKTTDAWG; 521,LTSASSKPSSARK; 153,QLVALLKDEERLK; 146,NVREKSKQLVALL; 206,SEQEYGKAGGSPA" 135:22790023; 125:22790023; 447:22790023; 521:22790023; 153:22790023; 146:22790023; 206:22790023 Epn2 Mus musculus (Mouse) 188 "188,SEQEYGKAGGSPA" 188:22790023