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Volume 4, Number 2—June 1998

Letter

Similarity of Chemokines Charge and the V3 Domain of HIV-1 env Protein

Ben Berkhout and Atze T. Das
Author affiliations: University of Amsterdam, Amsterdam, The Netherlands;

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Figure

Amino acid alignment of the four chemokines was performed with the PC/Gene program. An overall identity and similarity of 12.4% and 40.2% was calculated, respectively. The initiator methionine contained within each sequence is removed in the processing of the chemokine. The SDF-1 form shown is the ß-form; the α-form lacks the C-terminal amino acids RFKM, thus reducing the net charge to +9. * = a perfectly conserved residue; . = a conservative change.

Figure. Amino acid alignment of the four chemokines was performed with the PC/Gene program. An overall identity and similarity of 12.4% and 40.2% was calculated, respectively. The initiator methionine contained within each sequence is removed in the processing of the chemokine. The SDF-1 form shown is the ß-form; the α-form lacks the C-terminal amino acids RFKM, thus reducing the net charge to +9. * = a perfectly conserved residue; . = a conservative change.

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