SBC logo Authors: Amine Heddad, Andrea Krings, Markus Brameier and Bob MacCallum, Stockholm Bioinformatics Center, Stockholm University, Sweden.

NucPred

Fetching Q9JMB8 from www.uniprot.org...

The NucPred score for your sequence is 0.35 (see score help below)

   1  MRLLWKLVILLPLINSCAGEGRFSRPIFIQEPQDVIFPLDLSRSEIILTC    50
51 TANGYPSPHYRWKQNGTDIDFGMTYHYRLDGGSLAISSPRTDQDIGIYQC 100
101 LATNPVGTILSRKAKLQFAYIEDFETKTRSTVSVREGQGVVLLCGPPPHF 150
151 GELSYAWTFNDSPLYVQEDKRRFVSQDTGNLYFAKVEPSDVGNYTCFVTN 200
201 KEAHRSVQGPPTPLVLRTDGVMGEYEPKIEVRFPETIQAAKDSSIKLECF 250
251 ALGNPVPDISWKRLDGSPMPGKIKYSKSQAILEIPKFQQEDEGFYECIAG 300
301 NLRGRNLAKGQLIFYAPPEWEQKIQNTYLSIYDSLFWECKASGNPNPSYT 350
351 WLKNGQRLNTEERIQIENGTLIITMLNISDSGIYQCAAENKYQTIYANAE 400
401 LRVLASAPDFSKNPIKKISVVQVGGDISIECKPNAFPKASISWKRGTENL 450
451 KQSKRVLFLEDGSLKICNVTRADAGSYTCVATNQFGNGKSSGGLVVKERT 500
501 IITVPPSKMDVTVGESIVLPCQVSHDPTMEVLFVWYFNGDIIDLKKGVAH 550
551 FERIGGESVGDLMIRNIQLGHSGKYLCTVQTTLERLSAVADIIVRGPPGP 600
601 PEDVKVEHISSTTSQLSWRPGPDNNSPIQIFTIQTRTPFSVGWQAVATVP 650
651 EILNGQTYNATVVGLSPWVEYEFRVVAGNNIGIGEPSKPSELLRTKASVP 700
701 NVAPGNINGGGGSRSELVITWEAIPEELQNGEGFGYIVMFRPVGTTAWMK 750
751 ERVALVESSKFIYRNESIMPLSPFEVKVGVYNNEGEGSLSTVTIVYSGED 800
801 EPQLAPRGTSVQSFSASEMEVSWNAIAWNRNTGRVLGYEVLYWTDNSKES 850
851 MIGKIRVSGNVTTKNITGLRANTIYFASVRAYNTAGTGPSSLPVNVTTKK 900
901 SPPSQPPANIAWKLSNSKLCLNWEHVKTMENESEVLGYKILYRQNRQSKT 950
951 HILETNNTSAELLVPFEEDYLIEIRTVSDGGDGSSSEEIRIPKMSSLSST 1000
1001 GVQISKPSTQSLSMVGVFYCFAIHPLSR 1028

Positively and negatively influencing subsequences are coloured according to the following scale:

(non-nuclear) negative ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| positive (nuclear)

with NucPred



If you find NucPred useful, please cite this paper:
NucPred - Predicting Nuclear Localization of Proteins. Brameier M, Krings A, Maccallum RM. Bioinformatics, 2007. PubMed id: 17332022
The authors also look forward to your comments and suggestions.

What does the NucPred score mean?

You have to decide on a NucPred score threshold. Sequences which score greater than or equal to this threshold are predicted to spend some time in the nucleus. Higher thresholds yield fewer predicted nuclear proteins, but these predictions are more accurate (you can have higher confidence in them). The table below gives more details of the performance of NucPred estimated using the sequences it was trained on (by cross-validation). Another benchmark is available in the Bioinformatics 2007 paper.

NucPred score threshold Specificity Sensitivity
see above fraction of proteins predicted to be nuclear that actually are nuclear fraction of true nuclear proteins that are predicted (coverage)
0.10 0.45 0.88
0.20 0.52 0.83
0.30 0.57 0.77
0.40 0.63 0.69
0.50 0.70 0.62
0.60 0.71 0.53
0.70 0.81 0.44
0.80 0.84 0.32
0.90 0.88 0.21
1.00 1.00 0.02

Sequences which score >= 0.8 with NucPred and which are predicted by PredictNLS to contain an NLS have been shown to be 93% correct with a coverage of 16%. (PredictNLS by itself is 87% correct with 26% coverage on the same data.)

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