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

NucPred

Fetching Q9C1E9 from www.uniprot.org...

The NucPred score for your sequence is 0.69 (see score help below)

   1  MTTSELVPPPPARRSPRTRRRRQDKPALSARLVLDDHEINGDVGVLSEDL    50
51 FTDLFPHLRNVPSREDGSEDIHHVAIAPWEPSPSPTETAWTVVPVLKSSA 100
101 LKPSTVQFSPSSLSLQSFATILQQVAPSKLSSHSRSGIEVQILDVVALSL 150
151 DTVFVSLESELTKRLEQGEGTFFRDRPNKGKGKAPAQPDTPEDRLISALR 200
201 VALGSLKVLHSGDLFSLPLPPHPVTHVPPNPGKIMLCEPVSQGILSDDTK 250
251 IVLMRGRVHAKRGQSAPAIPPNRSLNGVPEDDEDDTANDQFYSAAEDRYK 300
301 TDAATTEMDTVTETEESDLSGVDHDDDLSDDFMDDMISLQAPTLPTTASG 350
351 VSTMQPGTPMTIGRGRKTNGIATPASVFSNFTATTARPDRPRGRLFKAQG 400
401 LIRPILIDLLHPKPAPEDDEEARIFVDIASLSKIGCFSGDWVRVEAAEEP 450
451 PANGFGAFGLGSFTSLEPTESNWRPVRVYGLPEGYSQRPVTRIPSAKHGE 500
501 RRMSFFESQLQKPTSPTAYISPVLLANLESPSYLRLSPIKRGTYQGKGTL 550
551 PKFTSASRPPYARDITIQHVRSPVTAERAYQSAVLGGLKRYFAQKIRLVR 600
601 TGDLIAVPIDTQLGKALQEQPSANGSEVDDVMALAKDESCRFDQVAWFKV 650
651 GHIQTQKTDADHDQTEDLWGGVACIDSSSVAMHGSGFATSRTPATKASTW 700
701 PYYLGVKKMPMKSNGASALMVPEQDQRFVSPLRRRLRELLAAATSPRAIH 750
751 LKMPPVAILLTSTHRNIGKATLASEACSDIGLHTYAIDAYDILSEAGTSG 800
801 GDVKTEGLLRTRSERAMSCGPDTTALLIKHVEALTADRMVSTMKEILQDT 850
851 RVLVATTSDVDKVPDGVRGLFSHELEVGAPDEAEREGILRTIVEDRGINL 900
901 DPEVDLNGIALKTAALVAGDLVDVVDRALVAQRLRLEQISSKTGQAVTVR 950
951 DLQVAGGAMARCVTKGDFDVAVEAARKNFAGAIGAPKIPNVTWDDVGGLN 1000
1001 NVKDAVTETIQLPLERPELFAKGMKKRSGILFYGPPGTGKTLLAKAIATE 1050
1051 YSLNFFSVKGPELLNMYIGESEANVRRVFQRARDARPCVVFFDELDSVAP 1100
1101 KRGNQGDSGGVMDRIVSQLLAELDGMSGGDDTSGGVFVIGATNRPDLLDP 1150
1151 ALLRPGRFDKMLYLGVSDTHDKQLKILEALTRKFTLHPSVSLHSVAQQLP 1200
1201 FTYTGADFYALCSDAMLKAVTRQAASVDAKIRELEAQPRSRTGPISTAYF 1250
1251 FDHHATPEDIAVMVTEEDFLAANRELVPSVSAGELSHYEQVRAMFEGPPE 1300
1301 KDRQQQQQQQQRPSGLRAVSGSSVVSKGKGKAIAGGSGKGKGKAVATGSD 1350
1351 DEYGSEGEVAVVNGKGKGKGKAVAGFQDGTASDDEGLY 1388

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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