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

NucPred

Fetching P58682 from www.uniprot.org...

The NucPred score for your sequence is 0.66 (see score help below)

   1  MENMPPQSWILTCFCLLSSGTSAIFHKANYSRSYPCDEIRHNSLVIAECN    50
  51  HRQLHEVPQTIGKYVTNIDLSDNAITHITKESFQKLQNLTKIDLNHNAKQ   100
 101  QHPNENKNGMNITEGALLSLRNLTVLLLEDNQLYTIPAGLPESLKELSLI   150
 151  QNNIFQVTKNNTFGLRNLERLYLGWNCYFKCNQTFKVEDGAFKNLIHLKV   200
 201  LSLSFNNLFYVPPKLPSSLRKLFLSNAKIMNITQEDFKGLENLTLLDLSG   250
 251  NCPRCYNAPFPCTPCKENSSIHIHPLAFQSLTQLLYLNLSSTSLRTIPST   300
 301  WFENLSNLKELHLEFNYLVQEIASGAFLTKLPSLQILDLSFNFQYKEYLQ   350
 351  FINISSNFSKLRSLKKLHLRGYVFRELKKKHFEHLQSLPNLATINLGINF   400
 401  IEKIDFKAFQNFSKLDVIYLSGNRIASVLDGTDYSSWRNRLRKPLSTDDD   450
 451  EFDPHVNFYHSTKPLIKPQCTAYGKALDLSLNNIFIIGKSQFEGFQDIAC   500
 501  LNLSFNANTQVFNGTEFSSMPHIKYLDLTNNRLDFDDNNAFSDLHDLEVL   550
 551  DLSHNAHYFSIAGVTHRLGFIQNLINLRVLNLSHNGIYTLTEESELKSIS   600
 601  LKELVFSGNRLDRLWNANDGKYWSIFKSLQNLIRLDLSYNNLQQIPNGAF   650
 651  LNLPQSLQELLISGNKLRFFNWTLLQYFPHLHLLDLSRNELYFLPNCLSK   700
 701  FAHSLETLLLSHNHFSHLPSGFLSEARNLVHLDLSFNTIKMINKSSLQTK   750
 751  MKTNLSILELHGNYFDCTCDISDFRSWLDENLNITIPKLVNVICSNPGDQ   800
 801  KSKSIMSLDLTTCVSDTTAAVLFFLTFLTTSMVMLAALVHHLFYWDVWFI   850
 851  YHMCSAKLKGYRTSSTSQTFYDAYISYDTKDASVTDWVINELRYHLEESE   900
 901  DKSVLLCLEERDWDPGLPIIDNLMQSINQSKKTIFVLTKKYAKSWNFKTA   950
 951  FYLALQRLMDENMDVIIFILLEPVLQYSQYLRLRQRICKSSILQWPNNPK  1000
1001  AENLFWQSLKNVVLTENDSRYDDLYIDSIRQY                    1032

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.)

Go back to the NucPred Home Page.