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

NucPred

Fetching O13807 from www.uniprot.org...

The NucPred score for your sequence is 0.45 (see score help below)

   1  MTYVTYLHKPSSIRNAVFCKFVNASSWNVIVAKVNCLEVYSYENNRLCLI    50
51 TSANIFAKIVNVKAFKPVSSPTDHIIVATDSFRYFTLFWDANDNTVSNGI 100
101 KIQDCSERSLRESQSGPLLLVDPFQRVICLHVYQGLLTIIPIFKSKKRFM 150
151 TSHNNPSLHDNFSVRIQELNVVDIAMLYNSSRPSLAVLYKDSKSIVHLST 200
201 YKINVREQEIDEDDVVCHDIEEGKLIPSENGGVFVFGEMYVYYISKDIQV 250
251 SKLLLTYPITAFSPSISNDPETGLDSSIYIVADESGMLYKFKALFTDETV 300
301 SMELEKLGESSIASCLIALPDNHLFVGSHFNNSVLLQLPSITKNNHKLEI 350
351 LQNFVNIAPISDFIIDDDQTGSSIITCSGAYKDGTLRIIRNSINIENVAL 400
401 IEMEGIKDFFSVSFRANYDNYIFLSLICETRAIIVSPEGVFSANHDLSCE 450
451 ESTIFVSTIYGNSQILQITTKEIRLFDGKKLHSWISPMSITCGSSFADNV 500
501 CVAVAGGLILFFEGITEVGRYQCDTEVSSLCFTEENVVYVGLWSADIIML 550
551 TYCQDGISLTHSLKLTDIPRSIVYSQKYGDDGGTLYVSTNNGYVLMFNFQ 600
601 NGQVIEHSLRRNQLGVAPIILKHFDSKEKNAIFALGEKPQLMYYESDKLV 650
651 ITPLSCTEMLNISSYVNPSLGVNMLYCTNSYISLAKMSEIRSLNVQTVSV 700
701 KGFPRRICSNSLFYFVLCMQLEESIGTQEQRLLSFLRVYEKNTLSEIAHH 750
751 KFNEYEMVESIILMNDDKRVVVGTGFNFPDQDAPDSGRLMVFEMTSDNNI 800
801 EMQAEHKVQGSVNTLVLYKHLIVAGINASVCIFEYEHGTMHVRNSIRTPT 850
851 YTIDISVNQDEIIAADLMKSITVLQFIDDQLIEVARDYHPLWATSVEILS 900
901 ERKYFVTEADGNAVILLRDNVSPQLSDRKKLRWYKKFYLGELINKTRHCT 950
951 FIEPQDKSLVTPQLLCATVDGSLMIVGDAGMSNTPLLLQLQDNIRKVIPS 1000
1001 FGGLSHKEWKEYRGENETSPSDLIDGSLIESILGLREPILNEIVNGGHEG 1050
1051 TKLDISVQDLKSIIENLEKLHP 1072

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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