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

NucPred

Fetching Q9Y4C0 from www.uniprot.org...

The NucPred score for your sequence is 0.46 (see score help below)

   1  MSSTLHSVFFTLKVSILLGSLLGLCLGLEFMGLPNQWARYLRWDASTRSD    50
51 LSFQFKTNVSTGLLLYLDDGGVCDFLCLSLVDGRVQLRFSMDCAETAVLS 100
101 NKQVNDSSWHFLMVSRDRLRTVLMLDGEGQSGELQPQRPYMDVVSDLFLG 150
151 GVPTDIRPSALTLDGVQAMPGFKGLILDLKYGNSEPRLLGSRGVQMDAEG 200
201 PCGERPCENGGICFLLDGHPTCDCSTTGYGGKLCSEDVSQDPGLSHLMMS 250
251 EQAREENVATFRGSEYLCYDLSQNPIQSSSDEITLSFKTWQRNGLILHTG 300
301 KSADYVNLALKDGAVSLVINLGSGAFEAIVEPVNGKFNDNAWHDVKVTRN 350
351 LRQVTISVDGILTTTGYTQEDYTMLGSDDFFYVGGSPSTADLPGSPVSNN 400
401 FMGCLKEVVYKNNDIRLELSRLARIADTKMKIYGEVVFKCENVATLDPIN 450
451 FETPEAYISLPKWNTKRMGSISFDFRTTEPNGLILFTHGKPQERKDARSQ 500
501 KNTKVDFFAVELLDGNLYLLLDMGSGTIKVKATQKKANDGEWYHVDIQRD 550
551 GRSGTISVNSRRTPFTASGESEILDLEGDMYLGGLPENRAGLILPTELWT 600
601 AMLNYGYVGCIRDLFIDGRSKNIRQLAEMQNAAGVKSSCSRMSAKQCDSY 650
651 PCKNNAVCKDGWNRFICDCTGTGYWGRTCEREASILSYDGSMYMKIIMPM 700
701 VMHTEAEDVSFRFMSQRAYGLLVATTSRDSADTLRLELDGGRVKLMVNLD 750
751 CIRINCNSSKGPETLYAGQKLNDNEWHTVRVVRRGKSLKLTVDDDVAEGT 800
801 MVGDHTRLEFHNIETGIMTEKRYISVVPSSFIGHLQSLMFNGLLYIDLCK 850
851 NGDIDYCELKARFGLRNIIADPVTFKTKSSYLSLATLQAYTSMHLFFQFK 900
901 TTSPDGFILFNSGDGNDFIAVELVKGYIHYVFDLGNGPNVIKGNSDRPLN 950
951 DNQWHNVVITRDNSNTHSLKVDTKVVTQVINGAKNLDLKGDLYMAGLAQG 1000
1001 MYSNLPKLVASRDGFQGCLASVDLNGRLPDLINDALHRSGQIERGCEGPS 1050
1051 TTCQEDSCANQGVCMQQWEGFTCDCSMTSYSGNQCNDPGATYIFGKSGGL 1100
1101 ILYTWPANDRPSTRSDRLAVGFSTTVKDGILVRIDSAPGLGDFLQLHIEQ 1150
1151 GKIGVVFNIGTVDISIKEERTPVNDGKYHVVRFTRNGGNATLQVDNWPVN 1200
1201 EHYPTGRQLTIFNTQAQIAIGGKDKGRLFQGQLSGLYYDGLKVLNMAAEN 1250
1251 NPNIKINGSVRLVGEVPSILGTTQTTSMPPEMSTTVMETTTTMATTTTRK 1300
1301 NRSTASIQPTSDDLVSSAECSSDDEDFVECEPSTTGGELVIPLLVEDPLA 1350
1351 TPPIATRAPSITLPPTFRPLLTIIETTKDSLSMTSEAGLPCLSDQGSDGC 1400
1401 DDDGLVISGYGSGETFDSNLPPTDDEDFYTTFSLVTDKSLSTSIFEGGYK 1450
1451 AHAPKWESKDFRPNKVSETSRTTTTSLSPELIRFTASSSSGMVPKLPAGK 1500
1501 MNNRDLKPQPDIVLLPLPTAYELDSTKLKSPLITSPMFRNVPTANPTEPG 1550
1551 IRRVPGASEVIRESSSTTGMVVGIVAAAALCILILLYAMYKYRNRDEGSY 1600
1601 QVDETRNYISNSAQSNGTLMKEKQQSSKSGHKKQKNKDREYYV 1643

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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