Summary for Eps15 (NES ID: 24)

Full Name
Epidermal growth factor receptor substrate 15     UniProt    
Alternative Names
Protein AF-1p   
Organism
Homo sapiens (Human)    
Experimental Evidence for CRM1-mediated Export
LMB Sensitive,  Binds CRM1 Ref.2Nucleocytoplasmic shuttling of endocytic proteins, Vecchi et al., J Cell Biol, 2001 Ref.1Differential nucleocytoplasmic trafficking between the related endocytic proteins Eps15 and Eps15R, Poupon et al., J Biol Chem, 2002
Mutations That Affect Nuclear Export
*highlighted yellow in the full sequence
L882A/L884A, I886A/L888A, I893A Ref.1Differential nucleocytoplasmic trafficking between the related endocytic proteins Eps15 and Eps15R, Poupon et al., J Biol Chem, 2002
Mutations That Affect CRM1 Binding
Unknown
Functional Export Signals
*shown as underlined residues in the full sequence
766DEPPALPPKIGTPTRPCPLPPGKRSINKLDSPDPFKLNDPFQPFPGNDSPKEKDPEIFCD
PFTSATTTTNKEADPSNFANFSAYPSEEDMIEWAKRESEREEEQRLARLNQQEQEDLELA
IALSKSEISEA896 Ref.1Differential nucleocytoplasmic trafficking between the related endocytic proteins Eps15 and Eps15R, Poupon et al., J Biol Chem, 2002
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 
MAAAAQLSLT QLSSGNPVYE KYYRQVDTGN TGRVLASDAA AFLKKSGLPD LILGKIWDLA 

        70         80         90        100        110        120 
DTDGKGILNK QEFFVALRLV ACAQNGLEVS LSSLNLAVPP PRFHDTSSPL LISGTSAAEL 

       130        140        150        160        170        180 
PWAVKPEDKA KYDAIFDSLS PVNGFLSGDK VKPVLLNSKL PVDILGRVWE LSDIDHDGML 

       190        200        210        220        230        240 
DRDEFAVAMF LVYCALEKEP VPMSLPPALV PPSKRKTWVV SPAEKAKYDE IFLKTDKDMD 

       250        260        270        280        290        300 
GFVSGLEVRE IFLKTGLPST LLAHIWSLCD TKDCGKLSKD QFALAFHLIS QKLIKGIDPP 

       310        320        330        340        350        360 
HVLTPEMIPP SDRASLQKNI IGSSPVADFS AIKELDTLNN EIVDLQREKN NVEQDLKEKE 

       370        380        390        400        410        420 
DTIKQRTSEV QDLQDEVQRE NTNLQKLQAQ KQQVQELLDE LDEQKAQLEE QLKEVRKKCA 

       430        440        450        460        470        480 
EEAQLISSLK AELTSQESQI STYEEELAKA REELSRLQQE TAELEESVES GKAQLEPLQQ 

       490        500        510        520        530        540 
HLQDSQQEIS SMQMKLMEMK DLENHNSQLN WCSSPHSILV NGATDYCSLS TSSSETANLN 

       550        560        570        580        590        600 
EHVEGQSNLE SEPIHQESPA RSSPELLPSG VTDENEVTTA VTEKVCSELD NNRHSKEEDP 

       610        620        630        640        650        660 
FNVDSSSLTG PVADTNLDFF QSDPFVGSDP FKDDPFGKID PFGGDPFKGS DPFASDCFFR 

       670        680        690        700        710        720 
QSTDPFATSS TDPFSAANNS SITSVETLKH NDPFAPGGTV VAASDSATDP FASVFGNESF 

       730        740        750        760        770        780 
GGGFADFSTL SKVNNEDPFR SATSSSVSNV VITKNVFEET SVKSEDEPPA LPPKIGTPTR 

       790        800        810        820        830        840 
PCPLPPGKRS INKLDSPDPF KLNDPFQPFP GNDSPKEKDP EIFCDPFTSA TTTTNKEADP 

       850        860        870        880        890            
SNFANFSAYP SEEDMIEWAK RESEREEEQR LARLNQQEQE DLELAIALSK SEISEA
3D Structures in PDB
1C07 (NMR)
1EH2 (NMR)
4RHG (X-Ray,1.58 Å resolution)
5AWT (X-Ray,2.70 Å resolution)
5AWU (X-Ray,2.70 Å resolution)
5JP2 (X-Ray,2.40 Å resolution)
Comments
Eps15 is a member of the EH domain containing proteins associated with clathrin-coated pits. Eps15 is tyrosine-phosphorylated in response to several growth factors and may be involved in signal transduction and transcription regulation. Poupon et al. showed that aa 766-896is sufficient to export GFP and aa 890-896 are necessary. LMB treatment can cause nuclear accumulation. But the process of nuclear entry is slow, possibly due to the masking of NLS by the c-terminal coiled-coil domain required for oligomerization.
References
[1]. "Differential nucleocytoplasmic trafficking between the related endocytic proteins Eps15 and Eps15R"
Poupon, V., Polo, S., Vecchi, M., Martin, G., Dautry-Varsat, A., Cerf-Bensussan, N., Di Fiore, P.P., Benmerah, A. (2002) J Biol Chem, 277:8941-8948 PubMed
[2]. "Nucleocytoplasmic shuttling of endocytic proteins"
Vecchi M, Polo S, Poupon V, van de Loo JW, Benmerah A, Di Fiore PP (2001) J Cell Biol, 153:1511-1517 PubMed
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