MPIP1_HUMAN - dbPTM
MPIP1_HUMAN - PTM Information in dbPTM
Basic Information of Protein
UniProt ID MPIP1_HUMAN
UniProt AC P30304
Protein Name M-phase inducer phosphatase 1
Gene Name CDC25A
Organism Homo sapiens (Human).
Sequence Length 524
Subcellular Localization
Protein Description Tyrosine protein phosphatase which functions as a dosage-dependent inducer of mitotic progression. Directly dephosphorylates CDK1 and stimulates its kinase activity. Also dephosphorylates CDK2 in complex with cyclin E, in vitro..
Protein Sequence MELGPEPPHRRRLLFACSPPPASQPVVKALFGASAAGGLSPVTNLTVTMDQLQGLGSDYEQPLEVKNNSNLQRMGSSESTDSGFCLDSPGPLDSKENLENPMRRIHSLPQKLLGCSPALKRSHSDSLDHDIFQLIDPDENKENEAFEFKKPVRPVSRGCLHSHGLQEGKDLFTQRQNSAPARMLSSNERDSSEPGNFIPLFTPQSPVTATLSDEDDGFVDLLDGENLKNEEETPSCMASLWTAPLVMRTTNLDNRCKLFDSPSLCSSSTRSVLKRPERSQEESPPGSTKRRKSMSGASPKESTNPEKAHETLHQSLSLASSPKGTIENILDNDPRDLIGDFSKGYLFHTVAGKHQDLKYISPEIMASVLNGKFANLIKEFVIIDCRYPYEYEGGHIKGAVNLHMEEEVEDFLLKKPIVPTDGKRVIVVFHCEFSSERGPRMCRYVRERDRLGNEYPKLHYPELYVLKGGYKEFFMKCQSYCEPPSYRPMHHEDFKEDLKKFRTKSRTWAGEKSKREMYSRLKKL
Overview of Protein Modification Sites with Functional and Structural Information
Experimental Post-Translational Modification Sites

* ASA = Accessible Surface Area

Locations Modification Substrate Peptides
&
Secondary Structure
ASA (%) Reference Orthologous
Protein Cluster
18 (in isoform 2)Phosphorylation-36.69-
18PhosphorylationRRLLFACSPPPASQP
CEEEEEECCCCCCHH
36.6912411508
23PhosphorylationACSPPPASQPVVKAL
EECCCCCCHHHHHHH
40.5726074081
40PhosphorylationASAAGGLSPVTNLTV
CCCCCCCCCCCEEEE
22.1622210691
43PhosphorylationAGGLSPVTNLTVTMD
CCCCCCCCEEEEEHH
28.0922210691
46PhosphorylationLSPVTNLTVTMDQLQ
CCCCCEEEEEHHHHC
18.9222210691
59PhosphorylationLQGLGSDYEQPLEVK
HCCCCCCCCCCCEEC
20.4022210691
66UbiquitinationYEQPLEVKNNSNLQR
CCCCCEECCCCCCCC
40.82-
69O-linked_GlycosylationPLEVKNNSNLQRMGS
CCEECCCCCCCCCCC
48.5930379171
76 (in isoform 2)Phosphorylation-22.91-
76PhosphorylationSNLQRMGSSESTDSG
CCCCCCCCCCCCCCC
22.9112963847
77PhosphorylationNLQRMGSSESTDSGF
CCCCCCCCCCCCCCC
29.8128348404
79PhosphorylationQRMGSSESTDSGFCL
CCCCCCCCCCCCCCC
39.1922817900
80PhosphorylationRMGSSESTDSGFCLD
CCCCCCCCCCCCCCC
30.0818167338
82PhosphorylationGSSESTDSGFCLDSP
CCCCCCCCCCCCCCC
33.5814603323
88PhosphorylationDSGFCLDSPGPLDSK
CCCCCCCCCCCCCCH
20.8614603323
107PhosphorylationNPMRRIHSLPQKLLG
CHHHHHHHHHHHHHC
39.1023917254
111UbiquitinationRIHSLPQKLLGCSPA
HHHHHHHHHHCCCHH
43.68-
116PhosphorylationPQKLLGCSPALKRSH
HHHHHCCCHHHHHCC
16.0612411508
116 (in isoform 2)Phosphorylation-16.06-
120UbiquitinationLGCSPALKRSHSDSL
HCCCHHHHHCCCCCC
54.70-
122PhosphorylationCSPALKRSHSDSLDH
CCHHHHHCCCCCCCC
26.2521406692
124PhosphorylationPALKRSHSDSLDHDI
HHHHHCCCCCCCCCH
30.0912759351
124 (in isoform 2)Phosphorylation-30.09-
126PhosphorylationLKRSHSDSLDHDIFQ
HHHCCCCCCCCCHHH
38.4220363803
141UbiquitinationLIDPDENKENEAFEF
HCCCCCCCCCCCCCC
60.9314681206PubMed
150AcetylationNEAFEFKKPVRPVSR
CCCCCCCCCCCCCCC
54.81113686999
150UbiquitinationNEAFEFKKPVRPVSR
CCCCCCCCCCCCCCC
54.81-
169UbiquitinationSHGLQEGKDLFTQRQ
HCCCHHCHHHHHHCC
50.97-
178PhosphorylationLFTQRQNSAPARMLS
HHHHCCCCCCHHHHC
27.5625159151
239PhosphorylationETPSCMASLWTAPLV
CCHHHHHHHHHHCEE
9.5012676583
239 (in isoform 2)Phosphorylation-9.50-
253 (in isoform 2)Phosphorylation-42.47-
257UbiquitinationTNLDNRCKLFDSPSL
CCCCCCCEECCCCCC
49.29-
261PhosphorylationNRCKLFDSPSLCSSS
CCCEECCCCCCCCCC
14.7321815630
263PhosphorylationCKLFDSPSLCSSSTR
CEECCCCCCCCCCHH
46.0625850435
266PhosphorylationFDSPSLCSSSTRSVL
CCCCCCCCCCHHHHH
32.3925627689
267PhosphorylationDSPSLCSSSTRSVLK
CCCCCCCCCHHHHHC
34.4325627689
278DimethylationSVLKRPERSQEESPP
HHHCCCCCCCCCCCC
46.45-
279PhosphorylationVLKRPERSQEESPPG
HHCCCCCCCCCCCCC
40.0422817900
283PhosphorylationPERSQEESPPGSTKR
CCCCCCCCCCCCHHH
35.3321815630
287PhosphorylationQEESPPGSTKRRKSM
CCCCCCCCHHHHHHC
36.2128102081
288PhosphorylationEESPPGSTKRRKSMS
CCCCCCCHHHHHHCC
34.1928102081
290DimethylationSPPGSTKRRKSMSGA
CCCCCHHHHHHCCCC
51.88-
293PhosphorylationGSTKRRKSMSGASPK
CCHHHHHHCCCCCCC
19.1728985074
295PhosphorylationTKRRKSMSGASPKES
HHHHHHCCCCCCCCC
37.9928102081
298PhosphorylationRKSMSGASPKESTNP
HHHCCCCCCCCCCCH
39.7828102081
300UbiquitinationSMSGASPKESTNPEK
HCCCCCCCCCCCHHH
62.90-
303 (in isoform 2)Ubiquitination-56.7521906983
315PhosphorylationAHETLHQSLSLASSP
HHHHHHHHHHHHCCC
14.8026074081
317PhosphorylationETLHQSLSLASSPKG
HHHHHHHHHHCCCCC
27.4326074081
320PhosphorylationHQSLSLASSPKGTIE
HHHHHHHCCCCCHHH
53.0925159151
321PhosphorylationQSLSLASSPKGTIEN
HHHHHHCCCCCHHHH
25.6430576142
342PhosphorylationRDLIGDFSKGYLFHT
HHHHHHCCCCCHHEC
29.8828348404
343UbiquitinationDLIGDFSKGYLFHTV
HHHHHCCCCCHHECC
52.122190698
343 (in isoform 1)Ubiquitination-52.1221906983
349PhosphorylationSKGYLFHTVAGKHQD
CCCCHHECCCCCCCC
12.5228348404
353UbiquitinationLFHTVAGKHQDLKYI
HHECCCCCCCCCCCC
28.49-
358UbiquitinationAGKHQDLKYISPEIM
CCCCCCCCCCCHHHH
49.15-
359PhosphorylationGKHQDLKYISPEIMA
CCCCCCCCCCHHHHH
17.58-
361PhosphorylationHQDLKYISPEIMASV
CCCCCCCCHHHHHHH
17.25-
367PhosphorylationISPEIMASVLNGKFA
CCHHHHHHHHCCHHH
15.12-
372UbiquitinationMASVLNGKFANLIKE
HHHHHCCHHHHHCEE
39.98-
378UbiquitinationGKFANLIKEFVIIDC
CHHHHHCEEEEEEEC
48.54-
415UbiquitinationVEDFLLKKPIVPTDG
HHHHHHCCCCCCCCC
39.69-
423UbiquitinationPIVPTDGKRVIVVFH
CCCCCCCCEEEEEEE
46.42-
471UbiquitinationYVLKGGYKEFFMKCQ
EEEECCHHHHHHHHH
51.85-
486PhosphorylationSYCEPPSYRPMHHED
HHCCCCCCCCCCHHH
25.22-
505PhosphorylationLKKFRTKSRTWAGEK
HHHHHHHCCCCCCHH
34.0423312004
507PhosphorylationKFRTKSRTWAGEKSK
HHHHHCCCCCCHHHH
27.1030576142
513PhosphorylationRTWAGEKSKREMYSR
CCCCCHHHHHHHHHH
32.4221376736
518PhosphorylationEKSKREMYSRLKKL-
HHHHHHHHHHHHCC-
5.9622210691
519PhosphorylationKSKREMYSRLKKL--
HHHHHHHHHHHCC--
29.8121376736

Upstream regulatory proteins (kinases for phosphorylation sites, E3 ubiquitin ligases of ubiquitination sites, ...)
Modified Location Modified Residue Modification Type of Upstream Proteins Gene Name of Upstream Proteins UniProt AC of Upstream Proteins Sources
18SPhosphorylationKinaseCDK1P06493
PSP
40SPhosphorylationKinaseCDK4P11802
PSP
59YPhosphorylationKinaseSRCP12931
PSP
76SPhosphorylationKinaseGSK3BP49841
PSP
76SPhosphorylationKinaseCHK1O14757
PSP
79SPhosphorylationKinaseNEK11Q8NG66
Uniprot
79SPhosphorylationKinaseCSNK1A1P48729
GPS
80TPhosphorylationKinasePLK3Q9H4B4
PSP
82SPhosphorylationKinaseNEK11Q8NG66
Uniprot
82SPhosphorylationKinaseCSNK1A1P48729
GPS
88SPhosphorylationKinaseNEK11Q8NG66
Uniprot
116SPhosphorylationKinasePIM1P11309
PhosphoELM
116SPhosphorylationKinaseCDK1P06493
PSP
124SPhosphorylationKinaseCHK1O14757
PSP
124SPhosphorylationKinaseCHK2O96017
PSP
178SPhosphorylationKinaseCHEK2O96017
GPS
178SPhosphorylationKinaseCHK1O14757
PSP
279SPhosphorylationKinaseCHK2O96017
PSP
279SPhosphorylationKinaseCHK1O14757
PSP
283SPhosphorylationKinaseCDK1P06493
PSP
283SPhosphorylationKinaseCDK2P24941
PSP
293SPhosphorylationKinaseCHK2O96017
PSP
293SPhosphorylationKinaseRPS6KA1Q15418
GPS
293SPhosphorylationKinaseCHK1O14757
PSP
295SPhosphorylationKinaseRPS6KA1Q15418
GPS
486YPhosphorylationKinaseSRCP12931
PSP
507TPhosphorylationKinaseCHK1O14757
PSP
513SPhosphorylationKinasePLK3Q9H4B4
Uniprot
513SPhosphorylationKinasePLK3Q60806
PSP
519SPhosphorylationKinasePLK3Q9H4B4
Uniprot
519SPhosphorylationKinasePLK3Q60806
PSP
-KUbiquitinationE3 ubiquitin ligaseFZR1Q9UM11
PMID:12234927
-KUbiquitinationE3 ubiquitin ligaseFBXW11Q9UKB1
PMID:14681206
-KUbiquitinationE3 ubiquitin ligaseBTRCQ9Y297
PMID:14681206

Functions of PTM Sites
Modified Location Modified Residue Modification Function Reference
76Subiquitylation

14681206
76SPhosphorylation

14681206
76SPhosphorylation

14681206
76SPhosphorylation

14681206
79SPhosphorylation

14681206
82SPhosphorylation

14681206
88SPhosphorylation

19734889
124SPhosphorylation

11298456
124SPhosphorylation

11298456
124Subiquitylation

11298456
124SPhosphorylation

11298456
178Subiquitylation

12676583
178SPhosphorylation

12676583
178SPhosphorylation

12676583
178SPhosphorylation

12676583
279SPhosphorylation

12676583
279SPhosphorylation

12676583
279Subiquitylation

12676583
279SPhosphorylation

12676583
293SPhosphorylation

12676583
293Subiquitylation

12676583
293SPhosphorylation

12676583
293SPhosphorylation

12676583
507TPhosphorylation

14559997
507TPhosphorylation

14559997

Disease-associated PTM Sites based on SAP

* Distance = the distance between SAP position and PTM sites.

Modified Location Modification Variant Position
(Distance <= 10)
Residue Change SAP Related Disease Reference

Oops, there are no SNP-PTM records of MPIP1_HUMAN !!

Protein-Protein Interaction
Interacting Protein Gene Name Interaction Type PPI Reference Domain-Domain Interactions
NAA10_HUMANNAA10physical
16189514
CCNE1_HUMANCCNE1physical
8617791
CDK2_HUMANCDK2physical
8617791
M3K5_HUMANMAP3K5physical
11416155
EGFR_HUMANEGFRphysical
11912208
CCNB1_HUMANCCNB1physical
1836978
CHK1_HUMANCHEK1physical
9278511
RAF1_HUMANRAF1physical
7744247
1433B_HUMANYWHABphysical
7644510
1433E_HUMANYWHAEphysical
7644510
FBW1B_HUMANFBXW11physical
15798217
CUL1_HUMANCUL1physical
14681206
FBW1A_HUMANBTRCphysical
14681206
FBW1B_HUMANFBXW11physical
14681206
DUS8_HUMANDUSP8physical
21900206
F193B_HUMANFAM193Bphysical
21900206
FBW1A_HUMANBTRCphysical
20348946
CUL1_HUMANCUL1physical
14752276
SKP1_HUMANSKP1physical
14752276
FBW1A_HUMANBTRCphysical
14752276
TRIB3_HUMANTRIB3physical
20606298
FBW1B_HUMANFBXW11physical
16338364
FBW1A_HUMANBTRCphysical
16338364
A4_HUMANAPPphysical
21832049
FBW1A_HUMANBTRCphysical
14603323
FBW1B_HUMANFBXW11physical
14603323
CUL1_HUMANCUL1physical
14603323
SKP1_HUMANSKP1physical
14603323
1C07_HUMANHLA-Cphysical
21988832
FGF21_HUMANFGF21physical
21988832
EF1A1_HUMANEEF1A1physical
21988832
IL3RA_HUMANIL3RAphysical
21988832
FRIH_HUMANFTH1physical
21988832
PEX19_HUMANPEX19physical
21988832
SCYL1_HUMANSCYL1physical
21988832
DMD_HUMANDMDphysical
21988832
RBTN2_HUMANLMO2physical
21988832
SMAD3_HUMANSMAD3physical
21988832
MTAP_HUMANMTAPphysical
21988832
IKBB_HUMANNFKBIBphysical
21988832
NFYA_HUMANNFYAphysical
21988832
SOX5_HUMANSOX5physical
21988832
XPO1_HUMANXPO1physical
21988832
CUL3_HUMANCUL3physical
21988832
VAMP8_HUMANVAMP8physical
21988832
GANP_HUMANMCM3APphysical
21988832
NPL4_HUMANNPLOC4physical
24429874
TERA_HUMANVCPphysical
24429874
SKP1_HUMANSKP1physical
12234927
CUL1_HUMANCUL1physical
12234927
CUL1_HUMANCUL1physical
15536641
FBW1A_HUMANBTRCphysical
15536641
SKP1_HUMANSKP1physical
15536641
KPYM_HUMANPKMphysical
27485204
FBW1A_HUMANBTRCphysical
27880917
FBW1B_HUMANFBXW11physical
27880917
MPIP1_HUMANCDC25Aphysical
27432908
CC28A_HUMANCCDC28Aphysical
27432908
FBW1B_HUMANFBXW11physical
27432908
CCNA2_HUMANCCNA2physical
27432908
CDK2_HUMANCDK2physical
27432908
APLD1_HUMANAPOLD1physical
27432908
TP4A1_HUMANPTP4A1physical
27432908
CCNB1_HUMANCCNB1physical
27432908
GOPC_HUMANGOPCphysical
27432908
1433F_HUMANYWHAHphysical
27432908
1433S_HUMANSFNphysical
27432908
CCNA1_HUMANCCNA1physical
27432908
WDR11_HUMANWDR11physical
27432908
F91A1_HUMANFAM91A1physical
27432908
CUL1_HUMANCUL1physical
27432908
CHK1_HUMANCHEK1physical
27432908
CDK3_HUMANCDK3physical
27432908
RD23A_HUMANRAD23Aphysical
27432908
1433G_HUMANYWHAGphysical
27432908
CDC20_HUMANCDC20physical
27432908
STIP1_HUMANSTIP1physical
27432908
A7L3B_HUMANATXN7L3Bphysical
27432908
DJC10_HUMANDNAJC10physical
27432908
SKP1_HUMANSKP1physical
27432908
1433B_HUMANYWHABphysical
27432908
GTF2I_HUMANGTF2Iphysical
27432908
IPO5_HUMANIPO5physical
27432908
1433Z_HUMANYWHAZphysical
27432908
DUS7_HUMANDUSP7physical
27432908
FBW1A_HUMANBTRCphysical
28514442
FBW1B_HUMANFBXW11physical
28514442
UBE4B_HUMANUBE4Bphysical
28514442
1433Z_HUMANYWHAZphysical
28514442
FBW1B_HUMANFBXW11physical
29150431

Drug and Disease Associations
Kegg Disease
There are no disease associations of PTM sites.
OMIM Disease
There are no disease associations of PTM sites.
Kegg Drug
There are no disease associations of PTM sites.
DrugBank
There are no disease associations of PTM sites.
Regulatory Network of MPIP1_HUMAN

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Related Literatures of Post-Translational Modification
Phosphorylation
ReferencePubMed
"Absence of polo-like kinase 3 in mice stabilizes Cdc25A after DNAdamage but is not sufficient to produce tumors.";
Myer D.L., Robbins S.B., Yin M., Boivin G.P., Liu Y., Greis K.D.,Bahassi el M., Stambrook P.J.;
Mutat. Res. 714:1-10(2011).
Cited for: PHOSPHORYLATION AT SER-513 AND SER-519 BY PLK3, UBIQUITINATION, ANDMUTAGENESIS OF SER-513 AND SER-519.
"NEK11: linking CHK1 and CDC25A in DNA damage checkpoint signaling.";
Soerensen C.S., Melixetian M., Klein D.K., Helin K.;
Cell Cycle 9:450-455(2010).
Cited for: PHOSPHORYLATION AT SER-82 AND SER-88.
"NEK11 regulates CDC25A degradation and the IR-induced G2/Mcheckpoint.";
Melixetian M., Klein D.K., Soerensen C.S., Helin K.;
Nat. Cell Biol. 11:1247-1253(2009).
Cited for: PHOSPHORYLATION AT SER-79; SER-82 AND SER-88.
"Chk1 kinase negatively regulates mitotic function of Cdc25Aphosphatase through 14-3-3 binding.";
Chen M.-S., Ryan C.E., Piwnica-Worms H.;
Mol. Cell. Biol. 23:7488-7497(2003).
Cited for: INTERACTION WITH CCNB1 AND YWHAE, PHOSPHORYLATION AT SER-178 ANDTHR-507, AND MUTAGENESIS OF SER-178; CYS-431; THR-507; LYS-514 ANDARG-520.
"Phosphorylation at serine 75 is required for UV-mediated degradationof human Cdc25A phosphatase at the S-phase checkpoint.";
Hassepass I., Voit R., Hoffmann I.;
J. Biol. Chem. 278:29824-29829(2003).
Cited for: PHOSPHORYLATION AT SER-76; SER-124 AND SER-178, AND MUTAGENESIS OFSER-76; SER-124 AND SER-178.
"SCFbeta-TRCP links Chk1 signaling to degradation of the Cdc25Aprotein phosphatase.";
Jin J., Shirogane T., Xu L., Nalepa G., Qin J., Elledge S.J.,Harper J.W.;
Genes Dev. 17:3062-3074(2003).
Cited for: INTERACTION WITH BTRC; CUL1 AND FBXW11, PHOSPHODEGRON MOTIF,PHOSPHORYLATION AT SER-76 AND SER-124, UBIQUITINATION, AND MUTAGENESISOF SER-76; SER-79; ASP-81 AND SER-82.
"Chk1 regulates the S phase checkpoint by coupling the physiologicalturnover and ionizing radiation-induced accelerated proteolysis ofCdc25A.";
Soerensen C.S., Syljuaesen R.G., Falck J., Schroeder T.,Roennstrand L., Khanna K.K., Zhou B.-B., Bartek J., Lukas J.;
Cancer Cell 3:247-258(2003).
Cited for: PHOSPHORYLATION AT SER-124; SER-178; SER-279 AND SER-293, ANDMUTAGENESIS OF SER-124; SER-178; SER-279 AND SER-293.
"Disruption of the checkpoint kinase 1/cell division cycle 25A pathwayabrogates ionizing radiation-induced S and G2 checkpoints.";
Zhao H., Watkins J.L., Piwnica-Worms H.;
Proc. Natl. Acad. Sci. U.S.A. 99:14795-14800(2002).
Cited for: PHOSPHORYLATION AT SER-124, AND MUTAGENESIS OF SER-124.
"The ATM-Chk2-Cdc25A checkpoint pathway guards against radioresistantDNA synthesis.";
Falck J., Mailand N., Syljuaasen R.G., Bartek J., Lukas J.;
Nature 410:842-847(2001).
Cited for: INTERACTION WITH CHEK2, PHOSPHORYLATION AT SER-124 BY CHEK2, ANDMUTAGENESIS OF SER-124.

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