HIV BLAST

Allows to identify strains of HIV with BLAST.
Directly callable from our HIV sequencing software GensearchHIV.

Web PSSM

WebPSSM is a bioinformatic tool for predicting HIV-1 coreceptor usage from the amino acid sequence of the third variable loop (V3) of the envelope gene. Directly callable from our HIV sequencing software GensearchHIV.

REGA HIV-1 & 2 Automated Subtyping Tool

This tool is designed to use phylogenetic methods in order to identify the subtype of a specific sequence. The sequence is analysed for recombination using bootscanning methods.

Geno2pheno [coreceptor] 2.5

On submitting a sequence containing the V3 region of the HIV-1 envelope protein gp120 below, you will obtain a sequence alignment to the consensus sequence given in Pfeifer and Lengauer and a prediction whether the corresponding virus is capable of using CXCR4 as a coreceptor (R5/X4 or X4 variants) or not (R5 variants).