PTM - CPLM Gene Name UniProt ID Type Position Code Usp4; Unp P35123 Acetylation 167 K Usp4; Unp P35123 Ubiquitination 186 K Usp4; Unp P35123 Ubiquitination 232 K Usp4; Unp P35123 Ubiquitination 376 K Usp4; Unp P35123 Ubiquitination 588 K Usp4; Unp P35123 Ubiquitination 695 K Usp4; Unp P35123 Ubiquitination 730 K Usp4; Unp P35123 Ubiquitination 769 K Usp4; Unp P35123 Ubiquitination 810 K Usp4; Unp P35123 Ubiquitination 836 K

PTM - dbPAF Gene Name UniProt ID Position Type Species Usp4; Unp P35123 192 Y Mus musculus(Mouse) Usp4; Unp P35123 234 S Mus musculus(Mouse) Usp4; Unp P35123 445 S Mus musculus(Mouse) Usp4; Unp P35123 476 Y Mus musculus(Mouse) Usp4; Unp P35123 654 S Mus musculus(Mouse) Usp4; Unp P35123 655 S Mus musculus(Mouse) Usp4; Unp P35123 675 S Mus musculus(Mouse) Usp4; Unp P35123 680 S Mus musculus(Mouse) Usp4; Unp P35123 724 T Mus musculus(Mouse) Usp4; Unp P35123 815 S Mus musculus(Mouse) Usp4; Unp P35123 945 S Mus musculus(Mouse) Usp4; Unp P35123 946 S Mus musculus(Mouse) Usp4; Unp P35123 947 S Mus musculus(Mouse)

PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA P35123 Y192-p Phosphorylation NkYMSNTyEQLSKLD P35123 S445-p Phosphorylation NHRLRNDsVIVDTFH P35123 Y476-p Phosphorylation VTFDPFCyLTLPLPL P35123 S675-p Phosphorylation EEGKEQLsEVEGsGE P35123 S680-p Phosphorylation QLsEVEGsGEDDQGD P35123 T724-p Phosphorylation ADINSLAtDGKLLkL P35123 S815-p Phosphorylation TKkFDLWsLPKILVV P35123 K186-ub Ubiquitination RETRLWNkYMSNTyE P35123 K232-ub Ubiquitination PRQSLQSkSSTAPSR P35123 K376-ub Ubiquitination HVAPRMFkTQVGRFA P35123 K588-ub Ubiquitination PVYFREKkSRPSSAS P35123 K695-ub Ubiquitination DHSESAQkVKGQPRH P35123 K730-ub Ubiquitination AtDGKLLkLNSRSTL P35123 K769-ub Ubiquitination LSMSQPQkKKKAAVA P35123 K810-ub Ubiquitination KHQQATKkFDLWsLP P35123 K836-ub Ubiquitination YNRYWRDkLDTVVEF

PTM - dbPTM UniProt ID Position Code Type Resources References P35123 680 S Phosphorylation Swiss-Prot 1010711 19367708 P35123 445 S Phosphorylation Phosphositeplus.1010730 20415495 P35123 675 S Phosphorylation Phosphositeplus.1010730 19367708;21183079;21659605 P35123 680 S Phosphorylation Phosphositeplus.1010730 19367708;20531401;21183079;21659605 P35123 815 S Phosphorylation Phosphositeplus.1010730 20495213

PTM - UniProt UniProt ID Position Type PMIDs P35123 675 Phosphoserine 21183079 P35123 680 Phosphoserine 21183079

PTM - PHOSIDA Symbol Accession Code Position Surrounding Sequence Type Usp4 IPI00115701 S 445 HRLRNDpSVIVDTF phosphorylation Usp4 IPI00115701 S 675 EGKEQLpSEVEGSG phosphorylation Usp4 IPI00115701 S 680 LSEVEGpSGEDDQG phosphorylation

PTM - mUbiSiDa Gene Name Species Ubiquitination Site Ubiquitination Sequence Evidence PMID Usp4 Mus musculus (Mouse) 232; 836; 769; 730; 186; 376; 695; 810; 588 "232,RQSLQSKSSTAPS; 836,NRYWRDKLDTVVE; 769,SMSQPQKKKKAAV; 730,TDGKLLKLNSRST; 186,ETRLWNKYMSNTY; 376,VAPRMFKTQVGRF; 695,HSESAQKVKGQPR; 810,HQQATKKFDLWSL; 588,VYFREKKSRPSSA" 232:22790023; 836:22790023; 769:22790023; 730:22790023; 186:22790023; 376:22790023; 695:22790023; 810:22790023; 588:22790023