PTM - CPLM Gene Name UniProt ID Type Position Code SKP1; EMC19; OCP2; SKP1A; TCEB1L P63208 Ubiquitination 142 K SKP1; EMC19; OCP2; SKP1A; TCEB1L P63208 Ubiquitination 128 K SKP1; EMC19; OCP2; SKP1A; TCEB1L P63208 Ubiquitination 130 K SKP1; EMC19; OCP2; SKP1A; TCEB1L P63208 Ubiquitination 137 K SKP1; EMC19; OCP2; SKP1A; TCEB1L P63208 Ubiquitination 56 K

PTM - dbPAF Gene Name UniProt ID Position Type Species SKP1; EMC19; OCP2; SKP1A; TCEB1L P63208 131 T Homo sapiens(Human) SKP1; EMC19; OCP2; SKP1A; TCEB1L P63208 3 S Homo sapiens(Human)

PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA P63208 K163-ac Acetylation ENQWCEEk_______ P63208 R154-m1 Methylation EEEEAQVrkENQWCE P63208 T63-p Phosphorylation kkVIQWCtHHKDDPP P63208 T131-p Phosphorylation ANMIkGktPEEIRkT P63208 T146-p Phosphorylation FNIkNDFtEEEEAQV P63208 K22-ub Ubiquitination EVDVEIAkQSVTIKT P63208 K56-ub Ubiquitination NVNAAILkkVIQWCt P63208 K57-ub Ubiquitination VNAAILkkVIQWCtH P63208 K78-ub Ubiquitination PPEDDENkEKRTDDI P63208 K121-ub Ubiquitination GLLDVTCkTVANMIk P63208 K128-ub Ubiquitination kTVANMIkGktPEEI P63208 K130-ub Ubiquitination VANMIkGktPEEIRk P63208 K137-ub Ubiquitination ktPEEIRkTFNIkND P63208 K142-ub Ubiquitination IRkTFNIkNDFtEEE P63208 K155-ub Ubiquitination EEEAQVrkENQWCEE P63208 K163-ub Ubiquitination ENQWCEEk_______

PTM - dbPTM UniProt ID Position Code Type Resources References P63208 128 K Ubiquitylation Phosphositeplus.1010730 21890473;21906983 P63208 130 K Ubiquitylation Phosphositeplus.1010730 21890473 P63208 137 K Ubiquitylation Phosphositeplus.1010730 21890473;21906983 P63208 142 K Ubiquitylation Phosphositeplus.1010730 21890473;21906983 P63208 56 K Ubiquitylation Phosphositeplus.1010730 21906983 P63208 131 T Phosphorylation Phosphositeplus.1010730 20068231;20363803;20886841;21406692;21659604 P63208 3 S Phosphorylation HPRD 9.0 3212432 P63208 131 T Phosphorylation HPRD 9.0 17322306,18212344,19651622,20068231 P63208 131 T Phosphorylation SysPTM 1.1 18212344;17322306

PTM - HPRD Symbol Position Code Type References SKP1 131 T Phosphorylation 17322306,18212344,19651622,20068231 SKP1 3 S Phosphorylation 3212432

PTM - UniProt UniProt ID Position Type PMIDs P63208 131 Phosphothreonine 20068231;21406692

PTM - BioGRID Entrez Gene BioGRID ID Position Code Type PMIDs 6500 112391 - K Ubiquitination 18781797 6500 112391 - K Ubiquitination 21139048 6500 112391 - K Ubiquitination 21890473 6500 112391 - K Ubiquitination 21906983 6500 112391 - K Sumoylation 19471022 6500 112391 - K Ubiquitination 22505724 6500 112391 - K Neddylation 18247557 6500 112391 - K Ubiquitination 21963094 6500 112391 - K Ubiquitination 22053931 6500 112391 - K Ubiquitination 23000965

PTM - mUbiSiDa Gene Name Species Ubiquitination Site Ubiquitination Sequence Evidence PMID SKP1 Homo sapiens (Human) 142 "142,RKTFNIKNDFTEE" 142:21139048 SKP1 Homo sapiens (Human) 137; 142; 128; 56; 130 "137,TPEEIRKTFNIKN; 142,RKTFNIKNDFTEE; 128,TVANMIKGKTPEE; 56,VNAAILKKVIQWC; 130,ANMIKGKTPEEIR" "137:21890473,21906983; 142:21890473,21906983; 128:21890473,21906983; 56:21906983; 130:21890473" SKP1 Homo sapiens (Human) 128; 56; 130 "128,TVANMIKGKTPEE; 56,VNAAILKKVIQWC; 130,ANMIKGKTPEEIR" "128:21890473,21906983; 56:21906983; 130:21890473"