MLH1_HUMAN - dbPTM
MLH1_HUMAN - PTM Information in dbPTM
Basic Information of Protein
UniProt ID MLH1_HUMAN
UniProt AC P40692
Protein Name DNA mismatch repair protein Mlh1
Gene Name MLH1
Organism Homo sapiens (Human).
Sequence Length 756
Subcellular Localization Nucleus .
Protein Description Heterodimerizes with PMS2 to form MutL alpha, a component of the post-replicative DNA mismatch repair system (MMR). DNA repair is initiated by MutS alpha (MSH2-MSH6) or MutS beta (MSH2-MSH6) binding to a dsDNA mismatch, then MutL alpha is recruited to the heteroduplex. Assembly of the MutL-MutS-heteroduplex ternary complex in presence of RFC and PCNA is sufficient to activate endonuclease activity of PMS2. It introduces single-strand breaks near the mismatch and thus generates new entry points for the exonuclease EXO1 to degrade the strand containing the mismatch. DNA methylation would prevent cleavage and therefore assure that only the newly mutated DNA strand is going to be corrected. MutL alpha (MLH1-PMS2) interacts physically with the clamp loader subunits of DNA polymerase III, suggesting that it may play a role to recruit the DNA polymerase III to the site of the MMR. Also implicated in DNA damage signaling, a process which induces cell cycle arrest and can lead to apoptosis in case of major DNA damages. Heterodimerizes with MLH3 to form MutL gamma which plays a role in meiosis..
Protein Sequence MSFVAGVIRRLDETVVNRIAAGEVIQRPANAIKEMIENCLDAKSTSIQVIVKEGGLKLIQIQDNGTGIRKEDLDIVCERFTTSKLQSFEDLASISTYGFRGEALASISHVAHVTITTKTADGKCAYRASYSDGKLKAPPKPCAGNQGTQITVEDLFYNIATRRKALKNPSEEYGKILEVVGRYSVHNAGISFSVKKQGETVADVRTLPNASTVDNIRSIFGNAVSRELIEIGCEDKTLAFKMNGYISNANYSVKKCIFLLFINHRLVESTSLRKAIETVYAAYLPKNTHPFLYLSLEISPQNVDVNVHPTKHEVHFLHEESILERVQQHIESKLLGSNSSRMYFTQTLLPGLAGPSGEMVKSTTSLTSSSTSGSSDKVYAHQMVRTDSREQKLDAFLQPLSKPLSSQPQAIVTEDKTDISSGRARQQDEEMLELPAPAEVAAKNQSLEGDTTKGTSEMSEKRGPTSSNPRKRHREDSDVEMVEDDSRKEMTAACTPRRRIINLTSVLSLQEEINEQGHEVLREMLHNHSFVGCVNPQWALAQHQTKLYLLNTTKLSEELFYQILIYDFANFGVLRLSEPAPLFDLAMLALDSPESGWTEEDGPKEGLAEYIVEFLKKKAEMLADYFSLEIDEEGNLIGLPLLIDNYVPPLEGLPIFILRLATEVNWDEEKECFESLSKECAMFYSIRKQYISEESTLSGQQSEVPGSIPNSWKWTVEHIVYKALRSHILPPKHFTEDGNILQLANLPDLYKVFERC
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
2Acetylation------MSFVAGVIR
------CCCHHHHHH
28.5522223895
2Phosphorylation------MSFVAGVIR
------CCCHHHHHH
28.5520860994
33UbiquitinationQRPANAIKEMIENCL
CCHHHHHHHHHHHHH
38.53-
35SulfoxidationPANAIKEMIENCLDA
HHHHHHHHHHHHHCC
3.8521406390
57UbiquitinationIVKEGGLKLIQIQDN
EEEECCEEEEEEEEC
46.98-
70UbiquitinationDNGTGIRKEDLDIVC
ECCCCCCHHHHHEEE
54.37-
84UbiquitinationCERFTTSKLQSFEDL
EEECCCCCCCCHHHH
48.75-
87PhosphorylationFTTSKLQSFEDLASI
CCCCCCCCHHHHHCC
40.8328348404
123UbiquitinationTTKTADGKCAYRASY
EEECCCCEEEEEEEC
19.08-
134UbiquitinationRASYSDGKLKAPPKP
EEECCCCCCCCCCCC
52.37-
136UbiquitinationSYSDGKLKAPPKPCA
ECCCCCCCCCCCCCC
63.43-
140UbiquitinationGKLKAPPKPCAGNQG
CCCCCCCCCCCCCCC
52.23-
164UbiquitinationYNIATRRKALKNPSE
HHHHHHHHHHCCHHH
55.57-
167UbiquitinationATRRKALKNPSEEYG
HHHHHHHCCHHHHHH
72.22-
175UbiquitinationNPSEEYGKILEVVGR
CHHHHHHHHHHHHCC
43.12-
183PhosphorylationILEVVGRYSVHNAGI
HHHHHCCCEEECCCE
14.7620068231
184PhosphorylationLEVVGRYSVHNAGIS
HHHHCCCEEECCCEE
18.6220068231
191PhosphorylationSVHNAGISFSVKKQG
EEECCCEEEEEEECC
15.5620068231
193PhosphorylationHNAGISFSVKKQGET
ECCCEEEEEEECCCE
26.6620068231
195AcetylationAGISFSVKKQGETVA
CCEEEEEEECCCEEE
37.8725953088
196UbiquitinationGISFSVKKQGETVAD
CEEEEEEECCCEEEE
62.47-
200PhosphorylationSVKKQGETVADVRTL
EEEECCCEEEEEECC
28.0223403867
212PhosphorylationRTLPNASTVDNIRSI
ECCCCCCCHHHHHHH
29.4821857030
236AcetylationIEIGCEDKTLAFKMN
HHHCCCCCCEEEECC
24.1226051181
236UbiquitinationIEIGCEDKTLAFKMN
HHHCCCCCCEEEECC
24.12-
269PhosphorylationINHRLVESTSLRKAI
HCCHHHCCHHHHHHH
18.8020068231
270PhosphorylationNHRLVESTSLRKAIE
CCHHHCCHHHHHHHH
20.4820068231
271PhosphorylationHRLVESTSLRKAIET
CHHHCCHHHHHHHHH
35.1420068231
288PhosphorylationAAYLPKNTHPFLYLS
HHHCCCCCCCEEEEE
36.7319835603
293PhosphorylationKNTHPFLYLSLEISP
CCCCCEEEEEEEECC
8.4719835603
295PhosphorylationTHPFLYLSLEISPQN
CCCEEEEEEEECCCC
15.4819835603
333UbiquitinationVQQHIESKLLGSNSS
HHHHHHHHHCCCCCC
34.63-
337PhosphorylationIESKLLGSNSSRMYF
HHHHHCCCCCCCCEE
33.2422210691
362PhosphorylationPSGEMVKSTTSLTSS
CCCCEEEECCCCCCC
26.0530576142
363PhosphorylationSGEMVKSTTSLTSSS
CCCEEEECCCCCCCC
18.0625137130
363O-linked_GlycosylationSGEMVKSTTSLTSSS
CCCEEEECCCCCCCC
18.0630379171
364PhosphorylationGEMVKSTTSLTSSST
CCEEEECCCCCCCCC
28.9128450419
365PhosphorylationEMVKSTTSLTSSSTS
CEEEECCCCCCCCCC
29.7328450419
367PhosphorylationVKSTTSLTSSSTSGS
EEECCCCCCCCCCCC
26.7430576142
368PhosphorylationKSTTSLTSSSTSGSS
EECCCCCCCCCCCCC
27.8228450419
369PhosphorylationSTTSLTSSSTSGSSD
ECCCCCCCCCCCCCC
32.1928450419
370PhosphorylationTTSLTSSSTSGSSDK
CCCCCCCCCCCCCCC
26.7628450419
371PhosphorylationTSLTSSSTSGSSDKV
CCCCCCCCCCCCCCE
38.7728450419
372PhosphorylationSLTSSSTSGSSDKVY
CCCCCCCCCCCCCEE
38.3328450419
374PhosphorylationTSSSTSGSSDKVYAH
CCCCCCCCCCCEEEE
34.8225627689
375PhosphorylationSSSTSGSSDKVYAHQ
CCCCCCCCCCEEEEE
45.0028450419
377UbiquitinationSTSGSSDKVYAHQMV
CCCCCCCCEEEEEEE
38.81-
377AcetylationSTSGSSDKVYAHQMV
CCCCCCCCEEEEEEE
38.8125953088
379PhosphorylationSGSSDKVYAHQMVRT
CCCCCCEEEEEEECC
12.2427642862
386PhosphorylationYAHQMVRTDSREQKL
EEEEEECCCCHHHHH
27.2429514088
388PhosphorylationHQMVRTDSREQKLDA
EEEECCCCHHHHHHH
36.7829514088
392SumoylationRTDSREQKLDAFLQP
CCCCHHHHHHHHHHC
43.51-
392SumoylationRTDSREQKLDAFLQP
CCCCHHHHHHHHHHC
43.51-
392UbiquitinationRTDSREQKLDAFLQP
CCCCHHHHHHHHHHC
43.51-
401PhosphorylationDAFLQPLSKPLSSQP
HHHHHCCCCCCCCCC
38.6224719451
402UbiquitinationAFLQPLSKPLSSQPQ
HHHHCCCCCCCCCCC
58.63-
402AcetylationAFLQPLSKPLSSQPQ
HHHHCCCCCCCCCCC
58.6323236377
405PhosphorylationQPLSKPLSSQPQAIV
HCCCCCCCCCCCEEE
35.1429523821
406PhosphorylationPLSKPLSSQPQAIVT
CCCCCCCCCCCEEEE
54.2730576142
416SumoylationQAIVTEDKTDISSGR
CEEEECCCCCCCCCC
41.69-
416UbiquitinationQAIVTEDKTDISSGR
CEEEECCCCCCCCCC
41.69-
416SumoylationQAIVTEDKTDISSGR
CEEEECCCCCCCCCC
41.69-
443UbiquitinationAPAEVAAKNQSLEGD
CCHHHHHHCCCCCCC
45.87-
443AcetylationAPAEVAAKNQSLEGD
CCHHHHHHCCCCCCC
45.8723236377
446PhosphorylationEVAAKNQSLEGDTTK
HHHHHCCCCCCCCCC
37.4729396449
453UbiquitinationSLEGDTTKGTSEMSE
CCCCCCCCCCHHHHH
63.38-
455PhosphorylationEGDTTKGTSEMSEKR
CCCCCCCCHHHHHHC
24.0623403867
458SulfoxidationTTKGTSEMSEKRGPT
CCCCCHHHHHHCCCC
6.6721406390
459PhosphorylationTKGTSEMSEKRGPTS
CCCCHHHHHHCCCCC
35.5927251275
461AcetylationGTSEMSEKRGPTSSN
CCHHHHHHCCCCCCC
56.1823749302
467PhosphorylationEKRGPTSSNPRKRHR
HHCCCCCCCCCCCCC
54.0226546556
477PhosphorylationRKRHREDSDVEMVED
CCCCCCCCCCEECCC
38.519559627
486PhosphorylationVEMVEDDSRKEMTAA
CEECCCCCHHHHHHH
58.5425850435
488UbiquitinationMVEDDSRKEMTAACT
ECCCCCHHHHHHHCC
56.65-
491PhosphorylationDDSRKEMTAACTPRR
CCCHHHHHHHCCCCH
16.5229496963
495PhosphorylationKEMTAACTPRRRIIN
HHHHHHCCCCHHHHH
18.3321815630
508PhosphorylationINLTSVLSLQEEINE
HHHHHHHHHHHHHHH
26.33-
685PhosphorylationKECAMFYSIRKQYIS
HHHHHHHHHHHHHCC
12.4924719451
688UbiquitinationAMFYSIRKQYISEES
HHHHHHHHHHCCCCC
45.87-
690PhosphorylationFYSIRKQYISEESTL
HHHHHHHHCCCCCCC
14.9524043423
692PhosphorylationSIRKQYISEESTLSG
HHHHHHCCCCCCCCC
30.3124043423
695PhosphorylationKQYISEESTLSGQQS
HHHCCCCCCCCCCCC
30.5124043423
696PhosphorylationQYISEESTLSGQQSE
HHCCCCCCCCCCCCC
28.3724043423
698PhosphorylationISEESTLSGQQSEVP
CCCCCCCCCCCCCCC
34.3424043423
702PhosphorylationSTLSGQQSEVPGSIP
CCCCCCCCCCCCCCC
32.4524043423
707PhosphorylationQQSEVPGSIPNSWKW
CCCCCCCCCCCCCCE
28.8924043423
711PhosphorylationVPGSIPNSWKWTVEH
CCCCCCCCCCEEHHH
25.3624043423
732UbiquitinationRSHILPPKHFTEDGN
HHCCCCCCCCCCCCC
49.78-
751UbiquitinationANLPDLYKVFERC--
HCCHHHHHHHHCC--
47.98-

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
406SPhosphorylationKinaseATMQ13315
PSP
406SPhosphorylationKinaseATRQ13535
GPS
477SPhosphorylationKinaseCK2A1P68400
PSP

Functions of PTM Sites
Modified Location Modified Residue Modification Function Reference

Oops, there are no descriptions of PTM sites of MLH1_HUMAN !!

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 MLH1_HUMAN !!

Protein-Protein Interaction
Interacting Protein Gene Name Interaction Type PPI Reference Domain-Domain Interactions
TRI29_HUMANTRIM29physical
16189514
ZC11A_HUMANZC3H11Aphysical
16189514
FRMD6_HUMANFRMD6physical
16189514
RNF37_HUMANUBOX5physical
16189514
BLM_HUMANBLMphysical
10783165
ATM_HUMANATMphysical
10783165
RFC1_HUMANRFC1physical
10783165
PMS2_HUMANPMS2physical
12584560
MYC_HUMANMYCphysical
12584560
PMS2_HUMANPMS2physical
11292842
MSH4_HUMANMSH4physical
10928988
BLM_HUMANBLMphysical
11691925
MBD4_HUMANMBD4physical
10097147
PMS2_HUMANPMS2physical
10037723
EXO1_HUMANEXO1physical
19015241
NTH2_YEASTNTG2physical
19015241
EXO1_YEASTEXO1physical
19015241
SGS1_YEASTSGS1physical
19015241
BLM_HUMANBLMphysical
19015241
PMS2_HUMANPMS2physical
19015241
PMS2_HUMANPMS2physical
17148452
PMS1_HUMANPMS1physical
17148452
FANCJ_HUMANBRIP1physical
17148452
MSH3_HUMANMSH3physical
17148452
BRCA1_HUMANBRCA1physical
17148452
SMC1A_HUMANSMC1Aphysical
17148452
XRN1_HUMANXRN1physical
17148452
PSD3_HUMANPSD3physical
17148452
UBC_HUMANUBCphysical
17148452
UBP2L_HUMANUBAP2Lphysical
17148452
YLPM1_HUMANYLPM1physical
17148452
EXO1_HUMANEXO1physical
17148452
PRKDC_HUMANPRKDCphysical
17148452
IMA1_HUMANKPNA2physical
17148452
IMB1_HUMANKPNB1physical
17148452
RUVB1_HUMANRUVBL1physical
17148452
RUVB2_HUMANRUVBL2physical
17148452
FAN1_HUMANFAN1physical
17148452
2AAA_HUMANPPP2R1Aphysical
17148452
2ABA_HUMANPPP2R2Aphysical
17148452
2ABB_HUMANPPP2R2Bphysical
17148452
PP2BB_HUMANPPP3CBphysical
17148452
PP2BC_HUMANPPP3CCphysical
17148452
2ABD_HUMANPPP2R2Dphysical
17148452
AIFM1_HUMANAIFM1physical
17148452
P3C2A_HUMANPIK3C2Aphysical
17148452
AMOT_HUMANAMOTphysical
17148452
ATD3A_HUMANATAD3Aphysical
17148452
DOCK7_HUMANDOCK7physical
17148452
PYGB_HUMANPYGBphysical
17148452
ATPA_HUMANATP5A1physical
17148452
ATD3B_HUMANATAD3Bphysical
17148452
WDR61_HUMANWDR61physical
17148452
PMS1_HUMANPMS1physical
20004149
PMS2_HUMANPMS2physical
20978114
FANCJ_HUMANBRIP1physical
20978114
FAN1_HUMANFAN1physical
20603073
EXO1_HUMANEXO1physical
21533173
PMS2_HUMANPMS2physical
17581638
FANCJ_HUMANBRIP1physical
17581638
EXO1_HUMANEXO1physical
22222486
MSH2_HUMANMSH2physical
10748159
MSH6_HUMANMSH6physical
10748159
PMS2_HUMANPMS2physical
10748159
PMS1_HUMANPMS1physical
10748159
POLH_HUMANPOLHphysical
19703417
PMS2_HUMANPMS2physical
12799449
MSH2_HUMANMSH2physical
12799449
MSH6_HUMANMSH6physical
12799449
PMS2_HUMANPMS2physical
22939629
PMS2_HUMANPMS2physical
20706999
DDX47_HUMANDDX47physical
20706999
TRI23_HUMANTRIM23physical
20706999
PAR12_HUMANPARP12physical
20706999
RD23B_HUMANRAD23Bphysical
20706999
RPGFL_HUMANRAPGEFL1physical
20706999
AIFM1_HUMANAIFM1physical
20706999
ANXA6_HUMANANXA6physical
20706999
ARAF_HUMANARAFphysical
20706999
CAN5_HUMANCAPN5physical
20706999
CATB_HUMANCTSBphysical
20706999
GBRAP_HUMANGABARAPphysical
20706999
MP2K6_HUMANMAP2K6physical
20706999
NDRG1_HUMANNDRG1physical
20706999
STAP2_HUMANSTAP2physical
20706999
THIOM_HUMANTXN2physical
20706999
ZER1_HUMANZER1physical
20706999
FLNB_HUMANFLNBphysical
20706999
ACTG_HUMANACTG1physical
20706999
ACTH_HUMANACTG2physical
20706999
ANXA2_HUMANANXA2physical
20706999
CKAP4_HUMANCKAP4physical
20706999
DESM_HUMANDESphysical
20706999
MYL6_HUMANMYL6physical
20706999
PARVA_HUMANPARVAphysical
20706999
SPTN1_HUMANSPTAN1physical
20706999
TYB4_HUMANTMSB4Xphysical
20706999
FBX32_HUMANFBXO32physical
20706999
SQSTM_HUMANSQSTM1physical
20706999
EIF2A_HUMANEIF2Aphysical
20706999
EF1G_HUMANEEF1Gphysical
20706999
EF2_HUMANEEF2physical
20706999
5NT3B_HUMANNT5C3Bphysical
20706999
APT_HUMANAPRTphysical
20706999
LEG4_HUMANLGALS4physical
20706999
MUC2_HUMANMUC2physical
20706999
FCGBP_HUMANFCGBPphysical
20706999
ABHGA_HUMANABHD16Aphysical
20706999
MRP3_HUMANABCC3physical
20706999
AGR2_HUMANAGR2physical
20706999
ALDOA_HUMANALDOAphysical
20706999
ASSY_HUMANASS1physical
20706999
ELP6_HUMANELP6physical
20706999
CB39L_HUMANCAB39Lphysical
20706999
KCRB_HUMANCKBphysical
20706999
EXOC3_HUMANEXOC3physical
20706999
GSTP1_HUMANGSTP1physical
20706999
ACER3_HUMANACER3physical
20706999
PTGDS_HUMANPTGDSphysical
20706999
S61A1_HUMANSEC61A1physical
20706999
SBP1_HUMANSELENBP1physical
20706999
PEDF_HUMANSERPINF1physical
20706999
VAMP8_HUMANVAMP8physical
20706999
ZC11A_HUMANZC3H11Aphysical
19060904
PMS2_HUMANPMS2physical
15225546
PCNA_HUMANPCNAphysical
15225546
PMS2_HUMANPMS2physical
11429708
EXO1_HUMANEXO1physical
11429708
THIO_HUMANTXNphysical
21988832
ORC4_HUMANORC4physical
21988832
MLH3_HUMANMLH3physical
24443562
MSH3_HUMANMSH3physical
25416956
MYOG_HUMANMYOGphysical
25416956
PSA1_HUMANPSMA1physical
25416956
CX057_HUMANCXorf57physical
25416956
SPERT_HUMANSPERTphysical
25416956
API5_HUMANAPI5physical
26344197
SPTN1_HUMANSPTAN1physical
26344197
SPTN2_HUMANSPTBN2physical
26344197
UBP5_HUMANUSP5physical
26344197
ZN224_HUMANZNF224physical
26344197
PMS2_HUMANPMS2physical
18206974
CX057_HUMANCXorf57physical
21516116
CAZA2_HUMANCAPZA2physical
26496610
LYST_HUMANLYSTphysical
26496610
SRC8_HUMANCTTNphysical
26496610
VIGLN_HUMANHDLBPphysical
26496610
PMS1_HUMANPMS1physical
26496610
TXTP_HUMANSLC25A1physical
26496610
PSMD6_HUMANPSMD6physical
26496610
FKBP8_HUMANFKBP8physical
26496610
INO80_HUMANINO80physical
26496610
PLXA3_HUMANPLXNA3physical
26496610
ELMO2_HUMANELMO2physical
26496610
NANP_HUMANNANPphysical
26496610
AES_HUMANAESphysical
27229929
CCD33_HUMANCCDC33physical
27229929
CDA7L_HUMANCDCA7Lphysical
27229929
CEP76_HUMANCEP76physical
27229929
CX057_HUMANCXorf57physical
27229929
CE126_HUMANKIAA1377physical
27229929
LY96_HUMANLY96physical
27229929
MAGA8_HUMANMAGEA8physical
27229929
MLH3_HUMANMLH3physical
27229929
RNF37_HUMANUBOX5physical
27229929
ZBED1_HUMANZBED1physical
27229929
ZC11A_HUMANZC3H11Aphysical
27229929
MCM9_HUMANMCM9physical
26300262

Drug and Disease Associations
Kegg Disease
There are no disease associations of PTM sites.
OMIM Disease
609310Hereditary non-polyposis colorectal cancer 2 (HNPCC2)
276300Mismatch repair cancer syndrome (MMRCS)
158320Muir-Torre syndrome (MRTES)
Note=Defects in MLH1 may contribute to lobular carcinoma in situ (LCIS), a non-invasive neoplastic disease of the breast.
608089
Kegg Drug
There are no disease associations of PTM sites.
DrugBank
There are no disease associations of PTM sites.
Regulatory Network of MLH1_HUMAN

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Related Literatures of Post-Translational Modification
Phosphorylation
ReferencePubMed
"Quantitative phosphoproteomic analysis of T cell receptor signalingreveals system-wide modulation of protein-protein interactions.";
Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K.,Rodionov V., Han D.K.;
Sci. Signal. 2:RA46-RA46(2009).
Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-477, AND MASSSPECTROMETRY.
"A quantitative atlas of mitotic phosphorylation.";
Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E.,Elledge S.J., Gygi S.P.;
Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008).
Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-477, AND MASSSPECTROMETRY.

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