Table 1.

Bioinformatic predictors of HIV-1 coreceptor use based on V3 loop sequence.

Predictor	URL	Method	Ref
R5/X4 and NSI/SI network	http://cancer.med.unc.edu/swanstromlab/resources.html	Neural network	Resch et al, 2001
WebPSSM	http://indra.mullins.microbiol.washington.edu/webpssm/ http://fortinbras.us/cgi-bin/fssm/fssm.pl	PSSM	Jensen et al, 2003
WetCat	http://genomiac2.ucsd.edu:8080/wetcat/v3.html	SVM	Pillai et al, 2003
Geno2pheno	http://coreceptor.bioinf.mpi-inf.mpg.de/	SVM	Sing et al, 2007
V3SD	The source code for prediction and analysis is available upon request.	SVM	Sander et al, 2007
R5/X4-pred	http://yjxy.ujs.edu.cn/R5-X4 pred.rar	Random forests	Xu et al, 2007
ANN	Not available	Neural network	Lamers et al, 2008
hiv-dskernel	http://genome.ulaval.ca/hiv-dskernel	SVM	Boisvert et al, 2008