Summary for FMRP (NES ID: 22)

Full Name
Fragile X mental retardation 1 protein (Protein FMR-1)     UniProt    
Alternative Names
None
Organism
Homo sapiens (Human)    
Experimental Evidence for CRM1-mediated Export
LMB Sensitive Ref.3A comparison of the activity, sequence specificity, and CRM1-dependence of different nuclear export signals, Henderson et al., Exp Cell Res, 2000
Mutations That Affect Nuclear Export
*highlighted yellow in the full sequence
L430A/L432A, L435A/I437A Ref.2A nuclear role for the Fragile X mental retardation protein, Fridell et al., EMBO J, 1996
Mutations That Affect CRM1 Binding
Unknown
Functional Export Signals
*shown as underlined residues in the full sequence
426EVDQLRLERLQIDEQLR442 Ref.1The fragile X mental retardation protein is a ribonucleoprotein containing both nuclear localization and nuclear export signals, Eberhart et al., Hum. Mol. Genet., 1996
Secondary Structure of Export Signal
loop and a single helical-turn
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 
MEELVVEVRG SNGAFYKAFV KDVHEDSITV AFENNWQPDR QIPFHDVRFP PPVGYNKDIN 

        70         80         90        100        110        120 
ESDEVEVYSR ANEKEPCCWW LAKVRMIKGE FYVIEYAACD ATYNEIVTIE RLRSVNPNKP 

       130        140        150        160        170        180 
ATKDTFHKIK LDVPEDLRQM CAKEAAHKDF KKAVGAFSVT YDPENYQLVI LSINEVTSKR 

       190        200        210        220        230        240 
AHMLIDMHFR SLRTKLSLIM RNEEASKQLE SSRQLASRFH EQFIVREDLM GLAIGTHGAN 

       250        260        270        280        290        300 
IQQARKVPGV TAIDLDEDTC TFHIYGEDQD AVKKARSFLE FAEDVIQVPR NLVGKVIGKN 

       310        320        330        340        350        360 
GKLIQEIVDK SGVVRVRIEA ENEKNVPQEE EIMPPNSLPS NNSRVGPNAP EEKKHLDIKE 

       370        380        390        400        410        420 
NSTHFSQPNS TKVQRVLVAS SVVAGESQKP ELKAWQGMVP FVFVGTKDSI ANATVLLDYH 

       430        440        450        460        470        480 
LNYLKEVDQL RLERLQIDEQ LRQIGASSRP PPNRTDKEKS YVTDDGQGMG RGSRPYRNRG 

       490        500        510        520        530        540 
HGRRGPGYTS GTNSEASNAS ETESDHRDEL SDWSLAPTEE ERESFLRRGD GRRRGGGGRG 

       550        560        570        580        590        600 
QGGRGRGGGF KGNDDHSRTD NRPRNPREAK GRTTDGSLQI RVDCNNERSV HTKTLQNTSS 

       610        620        630                                  
EGSRLRTGKD RNQKKEKPDS VDGQQPLVNG VP
3D Structures in PDB
5UWJ (X-ray,2.22 Å resolution)
Comments
The functional absence of FMRP resulted in Fragile X syndrome. FMRP contains two KH domains and an RGG box, suggesting that it is involved in RNA binding. The first 184 residues contain an NLS and aa 426-442 in exon 14 are a functional NES. The NES of FMRP can functionally replace the NES of HIV-Rev and it interacts with Rab in yeast two-hybrid assay.
References
[1]. "The fragile X mental retardation protein is a ribonucleoprotein containing both nuclear localization and nuclear export signals"
Eberhart, D.E., Malter, H.E., Feng, Y., Warren, S.T. (1996) Hum. Mol. Genet., 5:1083-1091 PubMed
[2]. "A nuclear role for the Fragile X mental retardation protein"
Fridell, R.A., Benson, R.E., Hua, J., Bogerd, H.P., Cullen, B.R. (1996) EMBO J, 15:5408-5414 PubMed
[3]. "A comparison of the activity, sequence specificity, and CRM1-dependence of different nuclear export signals"
Henderson, B.R., Eleftheriou, A. (2000) Exp Cell Res, 256:213-224 PubMed
User Input
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