PTM - CPLM Gene Name UniProt ID Type Position Code UBR1 Q8IWV7 Ubiquitination 806 K UBR1 Q8IWV7 Ubiquitination 811 K UBR1 Q8IWV7 Ubiquitination 944 K UBR1 Q8IWV7 Ubiquitination 1703 K UBR1 Q8IWV7 Ubiquitination 272 K UBR1 Q8IWV7 Ubiquitination 283 K UBR1 Q8IWV7 Ubiquitination 1122 K UBR1 Q8IWV7 Ubiquitination 1042 K UBR1 Q8IWV7 Ubiquitination 1579 K UBR1 Q8IWV7 Ubiquitination 1032 K UBR1 Q8IWV7 Ubiquitination 855 K UBR1 Q8IWV7 Ubiquitination 859 K UBR1 Q8IWV7 Ubiquitination 361 K UBR1 Q8IWV7 Ubiquitination 596 K UBR1 Q8IWV7 Ubiquitination 104 K UBR1 Q8IWV7 Ubiquitination 1681 K UBR1 Q8IWV7 Ubiquitination 812 K UBR1 Q8IWV7 Ubiquitination 1581 K UBR1 Q8IWV7 Ubiquitination 458 K UBR1 Q8IWV7 Ubiquitination 468 K

PTM - dbPAF Gene Name UniProt ID Position Type Species UBR1 Q8IWV7 1052 Y Homo sapiens(Human) UBR1 Q8IWV7 1064 S Homo sapiens(Human) UBR1 Q8IWV7 1179 S Homo sapiens(Human) UBR1 Q8IWV7 1302 Y Homo sapiens(Human) UBR1 Q8IWV7 15 S Homo sapiens(Human) UBR1 Q8IWV7 1593 S Homo sapiens(Human) UBR1 Q8IWV7 21 T Homo sapiens(Human) UBR1 Q8IWV7 423 T Homo sapiens(Human) UBR1 Q8IWV7 426 T Homo sapiens(Human) UBR1 Q8IWV7 575 S Homo sapiens(Human) UBR1 Q8IWV7 580 S Homo sapiens(Human) UBR1 Q8IWV7 582 S Homo sapiens(Human) UBR1 Q8IWV7 614 T Homo sapiens(Human) UBR1 Q8IWV7 688 Y Homo sapiens(Human) UBR1 Q8IWV7 901 T Homo sapiens(Human)

PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA Q8IWV7 S15-p Phosphorylation GTERMEIsAELPQtP Q8IWV7 T21-p Phosphorylation IsAELPQtPQRLASW Q8IWV7 T423-p Phosphorylation ALSVQMFtVPtLARH Q8IWV7 T426-p Phosphorylation VQMFtVPtLARHLIE Q8IWV7 S575-p Phosphorylation HKAVMRCsTSFIsSs Q8IWV7 S580-p Phosphorylation RCsTSFIsSsKTVVQ Q8IWV7 S582-p Phosphorylation sTSFIsSsKTVVQSC Q8IWV7 T614-p Phosphorylation IHLPLSRtLAGLHVR Q8IWV7 Y688-p Phosphorylation VKCREEMyDKDIIML Q8IWV7 T901-p Phosphorylation VFERAIDtDSNLWTE Q8IWV7 Y1052-p Phosphorylation IETHKLMyDNTSEMP Q8IWV7 S1179-p Phosphorylation FEAVQLSsQQRIHVD Q8IWV7 Y1302-p Phosphorylation ILFATTIyRIGLKVP Q8IWV7 S1593-p Phosphorylation RYPRKRNsLIELPDD Q8IWV7 K283-ub Ubiquitination YAACQEAkEDIKSHS Q8IWV7 K458-ub Ubiquitination EYLDRNNkFNFQGYS Q8IWV7 K468-ub Ubiquitination FQGYSQDkLGRVYAV Q8IWV7 K596-ub Ubiquitination CGHSLETkSYRVSED Q8IWV7 K706-ub Ubiquitination ASLMDPNkFLLLVLQ Q8IWV7 K806-ub Ubiquitination GLENVINkVATFKKP Q8IWV7 K855-ub Ubiquitination HMQKKRRkQENKDEA Q8IWV7 K1681-ub Ubiquitination RVVLVEGkARGCAYP Q8IWV7 K1703-ub Ubiquitination GETDPGLkRGNPLHL

PTM - dbPTM UniProt ID Position Code Type Resources References Q8IWV7 21 T Phosphorylation Swiss-Prot 1010711 15302935;18691976;19369195;19690332 Q8IWV7 1179 S Phosphorylation Swiss-Prot 1010711 17525332 Q8IWV7 1179 S Phosphorylation PhosphoELM.10011 17525332 Q8IWV7 21 T Phosphorylation PhosphoELM.10011 15302935 Q8IWV7 1681 K Ubiquitylation Phosphositeplus.1010730 21906983 Q8IWV7 458 K Ubiquitylation Phosphositeplus.1010730 21906983 Q8IWV7 468 K Ubiquitylation Phosphositeplus.1010730 21906983 Q8IWV7 806 K Ubiquitylation Phosphositeplus.1010730 21890473;21906983 Q8IWV7 1179 S Phosphorylation Phosphositeplus.1010730 17525332 Q8IWV7 21 T Phosphorylation Phosphositeplus.1010730 15302935;18691976;19369195;19690332;20068231 Q8IWV7 1179 S Phosphorylation HPRD 9.0 17525332 Q8IWV7 21 T Phosphorylation HPRD 9.0 18691976,20068231 Q8IWV7 21 T Phosphorylation SysPTM 1.1 18691976

PTM - HPRD Symbol Position Code Type References UBR1 1179 S Phosphorylation 17525332 UBR1 21 T Phosphorylation 18691976,20068231

PTM - Phospho.ELM UniProt Position Code PMIDs Kinase Source Type Q8IWV7 21 T 15302935 HTP Phosphorylation Q8IWV7 1179 S 17525332 HTP Phosphorylation

PTM - UniProt UniProt ID Position Type PMIDs Q8IWV7 2 N-acetylalanine 19369195 Q8IWV7 21 Phosphothreonine 18691976;19369195;19690332;23186163;24275569 Q8IWV7 1179 Phosphoserine 17525332

PTM - PHOSIDA Symbol Accession Code Position Surrounding Sequence Type UBR1 IPI00217405 T 21 SAELPQpTPQRLAS phosphorylation

PTM - BioGRID Entrez Gene BioGRID ID Position Code Type PMIDs 197131 128238 - K Ubiquitination 21987572 197131 128238 - K Ubiquitination 21139048 197131 128238 - K Ubiquitination 21890473 197131 128238 - K Ubiquitination 21906983 197131 128238 - K Ubiquitination 22505724 197131 128238 - K Ubiquitination 21963094

PTM - mUbiSiDa Gene Name Species Ubiquitination Site Ubiquitination Sequence Evidence PMID UBR1 Homo sapiens (Human) 806; 811 "806,LENVINKVATFKK; 811,NKVATFKKPGVSG" 806:21890473; 811:21890473 UBR1 Homo sapiens (Human) 806; 811 "806,LENVINKVATFKK; 811,NKVATFKKPGVSG" 806:21890473; 811:21890473 UBR1 Homo sapiens (Human) 806; 458; 1681; 468; 811 "806,LENVINKVATFKK; 458,YLDRNNKFNFQGY; 1681,VVLVEGKARGCAY; 468,QGYSQDKLGRVYA; 811,NKVATFKKPGVSG" "806:21890473,21906983; 458:21906983; 1681:21906983; 468:21906983; 811:21890473" UBR1 Homo sapiens (Human) 458; 468 "458,YLDRNNKFNFQGY; 468,QGYSQDKLGRVYA" 458:21906983; 468:21906983