Summary for Mcm3 (NES ID: 100)

Full Name
Minichromosome maintenance protein 3     UniProt    
Alternative Names
DNA replication licensing factor MCM3   
Organism
Saccharomyces cerevisiae (Baker's yeast)    
Experimental Evidence for CRM1-mediated Export
LMB Sensitive Ref.1CDK phosphorylation of a novel NLS-NES module distributed between two subunits of the Mcm2-7 complex prevents chromosomal rereplication., Liku et al., Mol Biol Cell, 2005
Mutations That Affect Nuclear Export
*highlighted yellow in the full sequence
L834A/L838A/L840A/L842A Ref.1CDK phosphorylation of a novel NLS-NES module distributed between two subunits of the Mcm2-7 complex prevents chromosomal rereplication., Liku et al., Mol Biol Cell, 2005
Mutations That Affect CRM1 Binding
Unknown
Functional Export Signals
*shown as underlined residues in the full sequence
761SPQKSPKKRQRVRQPASNSGSPIKSTPRRSTASSVNATPSSARRILRFQDDEQNAGEDDN
DIMSPLPADEEAELQRRLQLGLRVSPRR848 Ref.1CDK phosphorylation of a novel NLS-NES module distributed between two subunits of the Mcm2-7 complex prevents chromosomal rereplication., Liku et al., Mol Biol Cell, 2005
Secondary Structure of Export Signal
Unknown
Other Residues Important for Export
Unknown
Sequence
Show FASTA Format Show Domain Info by CDD Show Secondary Structure by PSIPRED Show Conservation Score by AL2CO 
        10         20         30         40         50         60 
MEGSTGFDGD ATTFFAPDAV FGDRVRRFQE FLDTFTSYRD SVRSIQVYNS NNAANYNDDQ 

        70         80         90        100        110        120 
DDADERDLLG DDDGDDLEKE KKAASSTSLN ILPHRIIISL DDLREFDRSF WSGILVEPAY 

       130        140        150        160        170        180 
FIPPAEKALT DLADSMDDVP HPNASAVSSR HPWKLSFKGS FGAHALSPRT LTAQHLNKLV 

       190        200        210        220        230        240 
SVEGIVTKTS LVRPKLIRSV HYAAKTGRFH YRDYTDATTT LTTRIPTPAI YPTEDTEGNK 

       250        260        270        280        290        300 
LTTEYGYSTF IDHQRITVQE MPEMAPAGQL PRSIDVILDD DLVDKTKPGD RVNVVGVFKS 

       310        320        330        340        350        360 
LGAGGMNQSN SNTLIGFKTL ILGNTVYPLH ARSTGVAARQ MLTDFDIRNI NKLSKKKDIF 

       370        380        390        400        410        420 
DILSQSLAPS IYGHDHIKKA ILLMLMGGVE KNLENGSHLR GDINILMVGD PSTAKSQLLR 

       430        440        450        460        470        480 
FVLNTASLAI ATTGRGSSGV GLTAAVTTDR ETGERRLEAG AMVLADRGVV CIDEFDKMTD 

       490        500        510        520        530        540 
VDRVAIHEVM EQQTVTIAKA GIHTTLNARC SVIAAANPVF GQYDVNRDPH QNIALPDSLL 

       550        560        570        580        590        600 
SRFDLLFVVT DDINEIRDRS ISEHVLRTHR YLPPGYLEGE PVRERLNLSL AVGEDADINP 

       610        620        630        640        650        660 
EEHSNSGAGV ENEGEDDEDH VFEKFNPLLQ AGAKLAKNKG NYNGTEIPKL VTIPFLRKYV 

       670        680        690        700        710        720 
QYAKERVIPQ LTQEAINVIV KNYTDLRNDD NTKKSPITAR TLETLIRLAT AHAKVRLSKT 

       730        740        750        760        770        780 
VNKVDAKVAA NLLRFALLGE DIGNDIDEEE SEYEEALSKR SPQKSPKKRQ RVRQPASNSG 

       790        800        810        820        830        840 
SPIKSTPRRS TASSVNATPS SARRILRFQD DEQNAGEDDN DIMSPLPADE EAELQRRLQL 

       850        860        870        880        890        900 
GLRVSPRRRE HLHAPEEGSS GPLTEVGTPR LPNVSSAGQD DEQQQSVISF DNVEPGTIST 

       910        920        930        940        950        960 
GRLSLISGII ARLMQTEIFE EESYPVASLF ERINEELPEE EKFSAQEYLA GLKIMSDRNN 

       970                                                        
LMVADDKVWR V
3D Structures in PDB
Not Available
Comments
Part of the heterohexameric Mcm2-7 complex, Mcm3 contains a CRM1-dependent NES between amino acids 834-842. The Mcm2-7 complex accumulates in the nucleus in the G1 phase, and is exported in late G1 when Cdc28 kinase becomes active. The Mcm3 NES is sufficient to export the entire complex, and Mcm3 serves as a subtrate of Cdc28 Kinase. NLS in Mcm2 and Mcm3 allow the two proteins to form a cell cycle-regulated transport module that is regulated by phosphorylation of CDK consensus sites.
References
[1]. "CDK phosphorylation of a novel NLS-NES module distributed between two subunits of the Mcm2-7 complex prevents chromosomal rereplication."
Liku ME, Nguyen VQ, Rosales AW, Irie K, Li JJ. (2005) Mol Biol Cell, 16:5026-39 PubMed
User Input
Accurate identification of NESs is difficult because many sequences in the genome match the NES consensus. Therefore, some published NESs may be mistakenly identified. Please help us improve the accuracy of NESdb by providing either a positive or negative flag for the NES in this entry. Supporting comments are required to process the flag.

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