PTM - CPLM Gene Name UniProt ID Type Position Code RRP9; RNU3IP2; U355K O43818 Acetylation 113 K RRP9; RNU3IP2; U355K O43818 Ubiquitination 129 K RRP9; RNU3IP2; U355K O43818 Ubiquitination 84 K RRP9; RNU3IP2; U355K O43818 Ubiquitination 180 K RRP9; RNU3IP2; U355K O43818 Ubiquitination 355 K RRP9; RNU3IP2; U355K O43818 Ubiquitination 113 K RRP9; RNU3IP2; U355K O43818 Ubiquitination 12 K RRP9; RNU3IP2; U355K O43818 Ubiquitination 62 K

PTM - dbPAF Gene Name UniProt ID Position Type Species RRP9; RNU3IP2; U355K O43818 15 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 2 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 245 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 306 T Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 32 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 39 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 458 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 475 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 50 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 51 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 53 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 55 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 57 S Homo sapiens(Human) RRP9; RNU3IP2; U355K O43818 74 T Homo sapiens(Human)

PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA O43818 K12-ac Acetylation AAARKrGkPAsGAGA O43818 K25-ac Acetylation GAGAGAGkRRRKADs O43818 R10-m1 Methylation ATAAARKrGkPAsGA O43818 S2-p Phosphorylation ______MsATAAARK O43818 S15-p Phosphorylation RKrGkPAsGAGAGAG O43818 S32-p Phosphorylation kRRRKADsAGDRGKs O43818 S39-p Phosphorylation sAGDRGKsKGGGKMN O43818 S50-p Phosphorylation GKMNEEIssDsEsEs O43818 S51-p Phosphorylation KMNEEIssDsEsEsL O43818 S53-p Phosphorylation NEEIssDsEsEsLAP O43818 S55-p Phosphorylation EIssDsEsEsLAPRK O43818 S57-p Phosphorylation ssDsEsEsLAPRKPE O43818 T74-p Phosphorylation EEEELEEtAQEKKLR O43818 S245-p Phosphorylation TGHRDAVsGLAFRRG O43818 S475-p Phosphorylation PVPPAAGs_______ O43818 K12-ub Ubiquitination AAARKrGkPAsGAGA O43818 K113-ub Ubiquitination DQVAGRLkEDVLEQR O43818 K129-ub Ubiquitination RLQKLVAkEIQAPAS

PTM - dbPTM UniProt ID Position Code Type Resources References O43818 50 S Phosphorylation Swiss-Prot 1010711 17081983;18669648;19413330;19690332 O43818 51 S Phosphorylation Swiss-Prot 1010711 17081983;18669648;19413330;19690332 O43818 53 S Phosphorylation Swiss-Prot 1010711 17081983;18669648;19413330;19690332 O43818 57 S Phosphorylation Swiss-Prot 1010711 18669648;19690332 O43818 475 S Phosphorylation Swiss-Prot 1010711 19007248 O43818 50 S Phosphorylation PhosphoELM.10011 18669648;17081983 O43818 51 S Phosphorylation PhosphoELM.10011 18669648;17081983 O43818 53 S Phosphorylation PhosphoELM.10011 18669648;17081983 O43818 55 S Phosphorylation PhosphoELM.10011 18669648 O43818 57 S Phosphorylation PhosphoELM.10011 18669648 O43818 12 K Ubiquitylation Phosphositeplus.1010730 21906983 O43818 129 K Ubiquitylation Phosphositeplus.1010730 21890473;21906983 O43818 2 S Phosphorylation Phosphositeplus.1010730 20068231 O43818 245 S Phosphorylation Phosphositeplus.1010730 20068231 O43818 50 S Phosphorylation Phosphositeplus.1010730 18669648;19690332;20164059;20363803;21406692;22067460 O43818 51 S Phosphorylation Phosphositeplus.1010730 18669648;19690332;20068231;20164059;20363803;21406692;22067460;22115753 O43818 53 S Phosphorylation Phosphositeplus.1010730 18669648;19415658;19690332;19691289;20068231;20164059;20363803;21406692;22067460;22115753 O43818 55 S Phosphorylation Phosphositeplus.1010730 19690332 O43818 57 S Phosphorylation Phosphositeplus.1010730 18669648;19690332 O43818 2 S Phosphorylation HPRD 9.0 20068231 O43818 50 S Phosphorylation HPRD 9.0 17081983,18669648,19413330,19651622,18452278,20068231 O43818 51 S Phosphorylation HPRD 9.0 17081983,18669648,19413330,19651622,18452278,20068231 O43818 53 S Phosphorylation HPRD 9.0 17081983,18669648,19413330,19415658,19651622,19691289,18452278,20068231 O43818 55 S Phosphorylation HPRD 9.0 18669648,19651622,20068231 O43818 57 S Phosphorylation HPRD 9.0 18669648 O43818 245 S Phosphorylation HPRD 9.0 20068231 O43818 475 S Phosphorylation HPRD 9.0 19007248 O43818 50 S Phosphorylation SysPTM 1.1 17081983;18669648 O43818 51 S Phosphorylation SysPTM 1.1 17081983;18669648 O43818 53 S Phosphorylation SysPTM 1.1 17081983;18669648 O43818 57 S Phosphorylation SysPTM 1.1 18669648

PTM - HPRD Symbol Position Code Type References RRP9 2 S Phosphorylation 20068231 RRP9 245 S Phosphorylation 20068231 RRP9 475 S Phosphorylation 19007248 RRP9 50 S Phosphorylation 17081983,18669648,19413330,19651622,18452278,20068231 RRP9 51 S Phosphorylation 17081983,18669648,19413330,19651622,18452278,20068231 RRP9 53 S Phosphorylation 17081983,18669648,19413330,19415658,19651622,19691289,18452278,20068231 RRP9 55 S Phosphorylation 18669648,19651622,20068231 RRP9 57 S Phosphorylation 18669648

PTM - Phospho.ELM UniProt Position Code PMIDs Kinase Source Type O43818 57 S 18669648 HTP Phosphorylation O43818 50 S 18669648 HTP Phosphorylation O43818 50 S 17081983 HTP Phosphorylation O43818 55 S 18669648 HTP Phosphorylation O43818 53 S 18669648 HTP Phosphorylation O43818 53 S 17081983 HTP Phosphorylation O43818 51 S 18669648 HTP Phosphorylation O43818 51 S 17081983 HTP Phosphorylation

PTM - UniProt UniProt ID Position Type PMIDs O43818 10 Omega-N-methylarginine 24129315 O43818 50 Phosphoserine 18669648;19690332;21406692 O43818 51 Phosphoserine 18669648;19690332;21406692 O43818 53 Phosphoserine 18669648;19690332;21406692 O43818 57 Phosphoserine 18669648

PTM - PHOSIDA Symbol Accession Code Position Surrounding Sequence Type RRP9 IPI00217862 S 2 _____MpSATAAAR phosphorylation RRP9 IPI00217862 S 50 KMNEEIpSSDSESE phosphorylation RRP9 IPI00217862 S 51 MNEEISpSDSESES phosphorylation RRP9 IPI00217862 S 53 EEISSDpSESESLA phosphorylation RRP9 IPI00217862 S 55 ISSDSEpSESLAPR phosphorylation

PTM - BioGRID Entrez Gene BioGRID ID Position Code Type PMIDs 9136 114584 - K Ubiquitination 22178446 9136 114584 - K Ubiquitination 21139048 9136 114584 - K Ubiquitination 21890473 9136 114584 - K Ubiquitination 21906983 9136 114584 - K Ubiquitination 23000965 9136 114584 - K Sumoylation 25391492

PTM - mUbiSiDa Gene Name Species Ubiquitination Site Ubiquitination Sequence Evidence PMID RRP9 Homo sapiens (Human) 129; 12 "129,LQKLVAKEIQAPA; 12,AARKRGKPASGAG" "129:21890473,21906983; 12:21890473,21906983" RRP9 Homo sapiens (Human) 129 "129,LQKLVAKEIQAPA" 129:21890473