PTM - dbPAF Gene Name UniProt ID Position Type Species KIF21A; KIAA1708; KIF2 Q7Z4S6 1046 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1128 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1157 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1158 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1212 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1219 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1223 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1225 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1228 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1229 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1231 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1239 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1242 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1261 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1263 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1265 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1266 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1269 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1271 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1274 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1275 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1278 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1293 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1298 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1304 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1307 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1317 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1662 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1664 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 1673 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 186 Y Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 187 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 458 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 518 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 520 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 521 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 522 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 524 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 530 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 571 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 579 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 581 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 667 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 673 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 705 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 710 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 8 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 827 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 841 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 853 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 854 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 855 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 862 T Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 864 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 865 S Homo sapiens(Human) KIF21A; KIAA1708; KIF2 Q7Z4S6 9 S Homo sapiens(Human)

PTM - PhosphositePlus UniProt ID MOD_RSD Type SITE_+/-7_AA Q7Z4S6 K1249-ac Acetylation tRRKAYEkAEKSKAK Q7Z4S6 S8-p Phosphorylation MLGAPDEssVRVAVR Q7Z4S6 S9-p Phosphorylation LGAPDEssVRVAVRI Q7Z4S6 Y186-p Phosphorylation EDSTGGIyTVGVTTR Q7Z4S6 S458-p Phosphorylation SRITQLVsDQANHVL Q7Z4S6 S518-p Phosphorylation TARAPYFsGsSTFsP Q7Z4S6 S520-p Phosphorylation RAPYFsGsSTFsPTI Q7Z4S6 S524-p Phosphorylation FsGsSTFsPTILSSD Q7Z4S6 S571-p Phosphorylation ESNREERsVAGKEDN Q7Z4S6 T579-p Phosphorylation VAGKEDNtDtDQEKK Q7Z4S6 T581-p Phosphorylation GKEDNtDtDQEKKEE Q7Z4S6 S667-p Phosphorylation LIDELENsQKRLQTL Q7Z4S6 Y678-p Phosphorylation LQTLKKQyEEKLMML Q7Z4S6 S705-p Phosphorylation QVLQNLGsVESYSEE Q7Z4S6 T827-p Phosphorylation EVVLRRKtEEVTALR Q7Z4S6 S841-p Phosphorylation RRQVRPMsDKVAGKV Q7Z4S6 T849-p Phosphorylation DKVAGKVtRKLsssD Q7Z4S6 S853-p Phosphorylation GKVtRKLsssDAPAQ Q7Z4S6 S854-p Phosphorylation KVtRKLsssDAPAQD Q7Z4S6 S855-p Phosphorylation VtRKLsssDAPAQDt Q7Z4S6 T862-p Phosphorylation sDAPAQDtGSsAAAV Q7Z4S6 S865-p Phosphorylation PAQDtGSsAAAVETD Q7Z4S6 S1046-p Phosphorylation YLLDHFLsMGINkGL Q7Z4S6 T1157-p Phosphorylation KNKARRRttTQMELL Q7Z4S6 T1158-p Phosphorylation NKARRRttTQMELLY Q7Z4S6 S1212-p Phosphorylation SAREKELsPPPGLPs Q7Z4S6 S1219-p Phosphorylation sPPPGLPsKIGsIsR Q7Z4S6 S1223-p Phosphorylation GLPsKIGsIsRQssL Q7Z4S6 S1225-p Phosphorylation PsKIGsIsRQssLSE Q7Z4S6 S1228-p Phosphorylation IGsIsRQssLSEKKI Q7Z4S6 S1229-p Phosphorylation GsIsRQssLSEKKIP Q7Z4S6 S1239-p Phosphorylation EKKIPEPsPVtRRKA Q7Z4S6 T1242-p Phosphorylation IPEPsPVtRRKAYEk Q7Z4S6 S1261-p Phosphorylation KAKEQKHsDSGtSEA Q7Z4S6 T1265-p Phosphorylation QKHsDSGtSEASLsP Q7Z4S6 S1271-p Phosphorylation GtSEASLsPPssPPs Q7Z4S6 S1274-p Phosphorylation EASLsPPssPPsRPR Q7Z4S6 S1275-p Phosphorylation ASLsPPssPPsRPRN Q7Z4S6 S1278-p Phosphorylation sPPssPPsRPRNELN Q7Z4S6 S1293-p Phosphorylation VFNRLTVsQGNTsVQ Q7Z4S6 S1298-p Phosphorylation TVsQGNTsVQQDKsD Q7Z4S6 S1304-p Phosphorylation TsVQQDKsDEsDSSL Q7Z4S6 S1307-p Phosphorylation QQDKsDEsDSSLSEV Q7Z4S6 S1317-p Phosphorylation SLSEVHRssRRGIIN Q7Z4S6 S1318-p Phosphorylation LSEVHRssRRGIINP Q7Z4S6 S1662-p Phosphorylation NLQDGQIsDtGDLGE Q7Z4S6 T1664-p Phosphorylation QDGQIsDtGDLGEDI Q7Z4S6 S1673-p Phosphorylation DLGEDIAsN______ Q7Z4S6 K47-ub Ubiquitination QVFLGKDkAFTFDYV Q7Z4S6 K206-ub Ubiquitination SEMMQCLkLGALSRT Q7Z4S6 K292-ub Ubiquitination GATGERAkEGISINC Q7Z4S6 K314-ub Ubiquitination VISALGDkSKRATHV Q7Z4S6 K1051-ub Ubiquitination FLsMGINkGLQAAQk Q7Z4S6 K1058-ub Ubiquitination kGLQAAQkEAQIKVL

PTM - dbPTM UniProt ID Position Code Type Resources References Q7Z4S6 1212 S Phosphorylation Swiss-Prot 1010711 18187866;18669648;19413330 Q7Z4S6 1223 S Phosphorylation Swiss-Prot 1010711 19413330 Q7Z4S6 1225 S Phosphorylation Swiss-Prot 1010711 19413330 Q7Z4S6 1229 S Phosphorylation Swiss-Prot 1010711 19413330 Q7Z4S6 1239 S Phosphorylation Swiss-Prot 1010711 18187866;18669648;19413330 Q7Z4S6 1271 S Phosphorylation Swiss-Prot 1010711 18220336 Q7Z4S6 1274 S Phosphorylation Swiss-Prot 1010711 18220336 Q7Z4S6 1662 S Phosphorylation Swiss-Prot 1010711 18669648 Q7Z4S6 1673 S Phosphorylation Swiss-Prot 1010711 18669648 Q7Z4S6 853 S Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 854 S Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 855 S Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 1212 S Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 1239 S Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 1271 S Phosphorylation PhosphoELM.10011 18220336 Q7Z4S6 1274 S Phosphorylation PhosphoELM.10011 18220336 Q7Z4S6 1662 S Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 1673 S Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 1664 T Phosphorylation PhosphoELM.10011 18669648 Q7Z4S6 1212 S Phosphorylation Phosphositeplus.1010730 18187866;18669648;19276368;19691289;20068231;20815410;21406692 Q7Z4S6 1225 S Phosphorylation Phosphositeplus.1010730 22115753 Q7Z4S6 1239 S Phosphorylation Phosphositeplus.1010730 18187866;18669648;19276368;19664994;19691289;20068231;20363803;20815410;21406692;22115753 Q7Z4S6 1271 S Phosphorylation Phosphositeplus.1010730 18220336;19276368;20363803 Q7Z4S6 1274 S Phosphorylation Phosphositeplus.1010730 18220336;19276368 Q7Z4S6 1275 S Phosphorylation Phosphositeplus.1010730 19276368 Q7Z4S6 1662 S Phosphorylation Phosphositeplus.1010730 18669648;19415658;20068231;21406692 Q7Z4S6 1673 S Phosphorylation Phosphositeplus.1010730 18669648;19415658;20068231;21406692 Q7Z4S6 524 S Phosphorylation Phosphositeplus.1010730 20068231 Q7Z4S6 667 S Phosphorylation Phosphositeplus.1010730 20068231 Q7Z4S6 853 S Phosphorylation Phosphositeplus.1010730 18669648;18707149;19276368;20736484;20815410;21406692 Q7Z4S6 854 S Phosphorylation Phosphositeplus.1010730 20736484 Q7Z4S6 855 S Phosphorylation Phosphositeplus.1010730 18707149;20736484;20815410 Q7Z4S6 1157 T Phosphorylation Phosphositeplus.1010730 20736484 Q7Z4S6 1664 T Phosphorylation Phosphositeplus.1010730 20068231 Q7Z4S6 524 S Phosphorylation HPRD 9.0 20068231 Q7Z4S6 841 S Phosphorylation HPRD 9.0 18669648 Q7Z4S6 1212 S Phosphorylation HPRD 9.0 19413330 Q7Z4S6 853 S Phosphorylation SysPTM 1.1 18707149 Q7Z4S6 855 S Phosphorylation SysPTM 1.1 18707149 Q7Z4S6 865 S Phosphorylation SysPTM 1.1 17081983 Q7Z4S6 1212 S Phosphorylation SysPTM 1.1 18669648 Q7Z4S6 1239 S Phosphorylation SysPTM 1.1 18669648;17322306 Q7Z4S6 1662 S Phosphorylation SysPTM 1.1 18669648 Q7Z4S6 1673 S Phosphorylation SysPTM 1.1 18669648 Q7Z4S6 1242 T Phosphorylation SysPTM 1.1 17081983

PTM - HPRD Symbol Position Code Type References KIF21A 1199 S Phosphorylation 18669648,19413330,19691289,20068231 KIF21A 1210 S Phosphorylation 19413330 KIF21A 1212 S Phosphorylation 19413330 KIF21A 1216 S Phosphorylation 19413330 KIF21A 1226 S Phosphorylation 17322306,18669648,19413330,19651622,19691289,19664994,18767875,20068231 KIF21A 1229 T Phosphorylation 17081983,19651622 KIF21A 1649 S Phosphorylation 18669648,19415658,20068231 KIF21A 1651 T Phosphorylation 18669648,20068231 KIF21A 1660 S Phosphorylation 18669648,19415658,20068231 KIF21A 524 S Phosphorylation 20068231 KIF21A 654 S Phosphorylation 20068231 KIF21A 660 T Phosphorylation 20068231 KIF21A 840 S Phosphorylation 18669648,19413330,18707149,20068231 KIF21A 841 S Phosphorylation 18669648 KIF21A 842 S Phosphorylation 18669648,18707149 KIF21A 852 S Phosphorylation 17081983

PTM - Phospho.ELM UniProt Position Code PMIDs Kinase Source Type Q7Z4S6 1239 S 18669648 HTP Phosphorylation Q7Z4S6 1662 S 18669648 HTP Phosphorylation Q7Z4S6 853 S 18669648 HTP Phosphorylation Q7Z4S6 854 S 18669648 HTP Phosphorylation Q7Z4S6 1673 S 18669648 HTP Phosphorylation Q7Z4S6 1212 S 18669648 HTP Phosphorylation Q7Z4S6 1274 S 18220336 HTP Phosphorylation Q7Z4S6 1664 T 18669648 HTP Phosphorylation Q7Z4S6 855 S 18669648 HTP Phosphorylation Q7Z4S6 1271 S 18220336 HTP Phosphorylation

PTM - UniProt UniProt ID Position Type PMIDs Q7Z4S6 1 N-acetylmethionine 22223895 Q7Z4S6 524 Phosphoserine 20068231;23186163 Q7Z4S6 1212 Phosphoserine 18669648;20068231;21406692;23186163;24275569 Q7Z4S6 1225 Phosphoserine 23186163 Q7Z4S6 1229 Phosphoserine 23186163 Q7Z4S6 1239 Phosphoserine 18669648;20068231;21406692;23186163 Q7Z4S6 1662 Phosphoserine 20068231 Q7Z4S6 1664 Phosphothreonine 20068231 Q7Z4S6 1673 Phosphoserine 18669648;20068231

PTM - PHOSIDA Symbol Accession Code Position Surrounding Sequence Type KIF21A IPI00425404 S 1239 KKIPEPpSPVTRRK phosphorylation KIF21A IPI00425404 S 1662 LQDGQIpSDTGDLG phosphorylation KIF21A IPI00425404 S 1673 LGEDIApSN_____ phosphorylation KIF21A IPI00425404 S 667 IDELENpSQKRLQT phosphorylation

PTM - BioGRID Entrez Gene BioGRID ID Position Code Type PMIDs 55605 120746 - K Ubiquitination 23000965