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

NucPred

Fetching Q02909 from www.uniprot.org...

The NucPred score for your sequence is 0.51 (see score help below)

   1  MANRNLEKMASIDAQLRLLVPAKVSEDDKLVEYDALLLDRFLDILQDLHG    50
  51  EDLKETVQEVYELSAEYEGKHDPKKLEELGNLITSLDAGDSIVVAKSFSH   100
 101  MLNLANLAEEVQIAHSRRNKLKKGDFADENNATTESDIEETLKKLVVDMK   150
 151  KSPQEVFDALKNQTVDLVLTAHPTQSVRRSLLQKHGRIRNNLTQLYAKDI   200
 201  TPDDKQELDEALQREIQAAFRTDEIRRTPPTPQDEMRAGMSYFHETIWKG   250
 251  VPTFLRRVDTALKNIGINERVPYNAPLIQFSSWMGGDRDGNPRVTPEVTR   300
 301  DVCLLARMMAANLYYSQIEDLMFELSMWRCNDELRVRADELNRSSKKNSV   350
 351  AKHYIEFWKAIPPNEPYRVLLGEVRNRLYQTRERSRHLLAHGYSDIPEEE   400
 401  TFTNVEEFLEPLELCYRSLCACGDRAIADGSLLDFLRQVSTFGLSLVRLD   450
 451  IRQESDRHTDVLDAITKHLEIGSYQEWSEEKRQQWLLSELSGKRPLFGPD   500
 501  LPQTEEIRDVLETFHVIAELPLDNFGAYIISMATAPSDVLAVELLQRECH   550
 551  VKHPLRVVPLFEKLADLEAAPAALARLFSVDWYRNRINGKQEVMIGYSDS   600
 601  GKDAGRFSAAWQLYKAQEELIMVAKQYGVKLTMFHGRGGTVGRGGGPTHL   650
 651  AILSQPPETIHGSLRVTVQGEVIEQSFGEQHLCFRTLQRFTAATLEHGMH   700
 701  PPISPKPEWRALMDEMAVIATEEYRSIVFKEPRFVEYFRLATPELEYGRM   750
 751  NIGSRPAKRRPSGGIETLRAIPWIFAWTQTRFHLPVWLGFGAAFKHVIEK   800
 801  DVRNIHVLQEMYNQWPFFRVTIDLVEMVFAKGDPGIAALYDRLLVSEDLW   850
 851  SFGEQLRTMYEETKELLLQVAGHRDLLEGDPYLKQRLRLRDSYITTLNVC   900
 901  QAYTLKRIRDPNYNVKLRPHISKESIEISKPADELITLNPTSEYAPGLED   950
 951  TLILTMKGIAAGLQNTG                                    967

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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