PTM - CPLM Gene Name UniProt ID Type Position Code USP3 Q9Y6I4 Ubiquitination 423 K USP3 Q9Y6I4 Ubiquitination 107 K USP3 Q9Y6I4 Ubiquitination 145 K USP3 Q9Y6I4 Ubiquitination 387 K USP3 Q9Y6I4 Ubiquitination 354 K USP3 Q9Y6I4 Ubiquitination 135 K USP3 Q9Y6I4 Ubiquitination 113 K USP3 Q9Y6I4 Ubiquitination 389 K USP3 Q9Y6I4 Ubiquitination 148 K USP3 Q9Y6I4 Ubiquitination 333 K

PTM - dbPAF Gene Name UniProt ID Position Type Species USP3 Q9Y6I4 124 S Homo sapiens(Human) USP3 Q9Y6I4 141 T Homo sapiens(Human) USP3 Q9Y6I4 210 S Homo sapiens(Human) USP3 Q9Y6I4 23 S Homo sapiens(Human) USP3 Q9Y6I4 350 S Homo sapiens(Human) USP3 Q9Y6I4 363 S Homo sapiens(Human) USP3 Q9Y6I4 37 S Homo sapiens(Human) USP3 Q9Y6I4 372 T Homo sapiens(Human) USP3 Q9Y6I4 61 Y Homo sapiens(Human) USP3 Q9Y6I4 74 S Homo sapiens(Human) USP3 Q9Y6I4 93 T Homo sapiens(Human)

PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA Q9Y6I4 K354-m1 Methylation QFRSKRSkNQENGPV Q9Y6I4 S23-p Phosphorylation SAKFPNGsPSSWCCS Q9Y6I4 S37-p Phosphorylation SVCRSNKsPWVCLTC Q9Y6I4 S74-p Phosphorylation PLTNHKKsEKQDKVQ Q9Y6I4 T93-p Phosphorylation MDCSSYStYCYRCDD Q9Y6I4 S124-p Phosphorylation HLQNLENsAFTADRH Q9Y6I4 T141-p Phosphorylation RKLLENStLNSkLLk Q9Y6I4 S210-p Phosphorylation RRTYHTRsQGDNNVS Q9Y6I4 S363-p Phosphorylation QENGPVCsLRDCLRS Q9Y6I4 T372-p Phosphorylation RDCLRSFtDLEELDE Q9Y6I4 K107-sm Sumoylation DFVVNDTkLGLVQKV Q9Y6I4 K107-ub Ubiquitination DFVVNDTkLGLVQKV Q9Y6I4 K145-ub Ubiquitination ENStLNSkLLkVNGS Q9Y6I4 K148-ub Ubiquitination tLNSkLLkVNGSTTA Q9Y6I4 K333-ub Ubiquitination ICGTESRkFDPFLDL Q9Y6I4 K354-ub Ubiquitination QFRSKRSkNQENGPV Q9Y6I4 K423-ub Ubiquitination WTAYLRNkVDTYVEF

PTM - dbPTM UniProt ID Position Code Type Resources References Q9Y6I4 1 M Acetylation Swiss-Prot 1010711 19413330 Q9Y6I4 141 T Phosphorylation Swiss-Prot 1010711 18187866 Q9Y6I4 145 K Ubiquitylation Phosphositeplus.1010730 21906983 Q9Y6I4 333 K Ubiquitylation Phosphositeplus.1010730 21906983 Q9Y6I4 423 K Ubiquitylation Phosphositeplus.1010730 21890473;21906983 Q9Y6I4 141 T Phosphorylation Phosphositeplus.1010730 18187866 Q9Y6I4 61 Y Phosphorylation Phosphositeplus.1010730 18083107

PTM - UniProt UniProt ID Position Type PMIDs Q9Y6I4 1 N-acetylmethionine 19413330

PTM - BioGRID Entrez Gene BioGRID ID Position Code Type PMIDs 9960 115285 - K Ubiquitination 22118674 9960 115285 - K Ubiquitination 21987572 9960 115285 - K Ubiquitination 21139048 9960 115285 - K Ubiquitination 21890473 9960 115285 - K Ubiquitination 21906983 9960 115285 - K Ubiquitination 22505724 9960 115285 - K Ubiquitination 23287719 9960 115285 - K Ubiquitination 21963094 9960 115285 - K Ubiquitination 23000965 9960 115285 - K Ubiquitination 24816145

PTM - mUbiSiDa Gene Name Species Ubiquitination Site Ubiquitination Sequence Evidence PMID USP3 Homo sapiens (Human) 254 "254,TAYLRNKVDTYVE" 254:21890473 USP3 Homo sapiens (Human) 423 "423,TAYLRNKVDTYVE" 423:21890473 USP3 Homo sapiens (Human) 423 "423,TAYLRNKVDTYVE" 423:21890473 USP3 Homo sapiens (Human) 423 "423,TAYLRNKVDTYVE" 423:21890473 USP3 Homo sapiens (Human) 254 "254,TAYLRNKVDTYVE" 254:21890473 USP3 Homo sapiens (Human) 423 "423,TAYLRNKVDTYVE" 423:21890473 USP3 Homo sapiens (Human) 423 "423,TAYLRNKVDTYVE" 423:21890473 USP3 Homo sapiens (Human) 346 "346,TAYLRNKVDTYVE" 311:21906983; 401:21906983