PTM - dbPAF Gene Name UniProt ID Position Type Species Mdm2 P23804 161 S Mus musculus(Mouse) Mdm2 P23804 163 S Mus musculus(Mouse) Mdm2 P23804 165 T Mus musculus(Mouse) Mdm2 P23804 183 S Mus musculus(Mouse) Mdm2 P23804 185 S Mus musculus(Mouse) Mdm2 P23804 216 T Mus musculus(Mouse) Mdm2 P23804 238 S Mus musculus(Mouse) Mdm2 P23804 240 S Mus musculus(Mouse) Mdm2 P23804 244 S Mus musculus(Mouse) Mdm2 P23804 254 S Mus musculus(Mouse) Mdm2 P23804 258 S Mus musculus(Mouse) Mdm2 P23804 274 Y Mus musculus(Mouse) Mdm2 P23804 279 Y Mus musculus(Mouse) Mdm2 P23804 284 S Mus musculus(Mouse) Mdm2 P23804 286 T Mus musculus(Mouse)

PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA P23804 K51-ac Acetylation QNDTYTMkEIIFYIG P23804 S161-p Phosphorylation STSSRRRsIsEtEEN P23804 S163-p Phosphorylation SSRRRsIsEtEENTD P23804 T165-p Phosphorylation RRRsIsEtEENTDEL P23804 S183-p Phosphorylation RHRKRRRsLsFDPSL P23804 S185-p Phosphorylation RKRRRsLsFDPSLGL P23804 T216-p Phosphorylation SSSESTEtPSHQDLD P23804 S238-p Phosphorylation GDCLDQDsVsDQFsV P23804 S240-p Phosphorylation CLDQDsVsDQFsVEF P23804 S244-p Phosphorylation DsVsDQFsVEFEVES P23804 S254-p Phosphorylation FEVESLDsEDYsLSD P23804 S258-p Phosphorylation SLDsEDYsLSDEGHE P23804 Y274-p Phosphorylation SDEDDEVyRVTVyQT P23804 Y279-p Phosphorylation EVyRVTVyQTGESDT P23804 S394-p Phosphorylation SQESDDYsQPSTSSS P23804 K361-ub Ubiquitination GLDVPDGkkLTENDA P23804 K362-ub Ubiquitination LDVPDGkkLTENDAK

PTM - dbPTM UniProt ID Position Code Type Resources References P23804 238 S Phosphorylation PhosphoELM.10011 15610030 P23804 244 S Phosphorylation PhosphoELM.10011 16055726;15610030 P23804 254 S Phosphorylation PhosphoELM.10011 16055726 P23804 240 S Phosphorylation PhosphoELM.10011 15610030;16055726 P23804 216 T Phosphorylation PhosphoELM.10011 11359766 P23804 161 S Phosphorylation Phosphositeplus.1010730 20531401;21183079 P23804 163 S Phosphorylation Phosphositeplus.1010730 16982679;20530876;20657550;20841468 P23804 183 S Phosphorylation Phosphositeplus.1010730 20841468;21183079;21659604 P23804 185 S Phosphorylation Phosphositeplus.1010730 21659604 P23804 238 S Phosphorylation Phosphositeplus.1010730 15610030 P23804 240 S Phosphorylation Phosphositeplus.1010730 15610030;16055726 P23804 244 S Phosphorylation Phosphositeplus.1010730 15610030;16055726 P23804 254 S Phosphorylation Phosphositeplus.1010730 16055726 P23804 258 S Phosphorylation Phosphositeplus.1010730 19833129 P23804 165 T Phosphorylation Phosphositeplus.1010730 20531401 P23804 216 T Phosphorylation Phosphositeplus.1010730 11359766;11983168 P23804 274 Y Phosphorylation Phosphositeplus.1010730 18563927 P23804 279 Y Phosphorylation Phosphositeplus.1010730 18563927

PTM - Phospho.ELM UniProt Position Code PMIDs Kinase Source Type P23804 216 T 11359766 CDK2 LTP Phosphorylation P23804 240 S 15610030 GSK-3_group LTP Phosphorylation P23804 240 S 16055726 CK1_delta LTP Phosphorylation P23804 244 S 16055726 CK1_delta LTP Phosphorylation P23804 244 S 15610030 CK1_delta LTP Phosphorylation P23804 238 S 15610030 CK1_delta LTP Phosphorylation P23804 254 S 16055726 GSK-3_beta LTP Phosphorylation

PTM - UniProt UniProt ID Position Type PMIDs P23804 183 Phosphoserine 21183079

PTM - PHOSIDA Symbol Accession Code Position Surrounding Sequence Type Mdm2 IPI00129226 S 161 TSSRRRpSISETEE phosphorylation Mdm2 IPI00129226 S 163 SRRRSIpSETEENT phosphorylation Mdm2 IPI00129226 T 165 RRSISEpTEENTDE phosphorylation

PTM - BioGRID Entrez Gene BioGRID ID Position Code Type PMIDs 17246 201372 - K Ubiquitination 18566590 17246 201372 - K Ubiquitination 12832478