Profile: Sigma-Genosys supplies custom synthetic DNA, gene arrays & synthetic peptides, and provides research reagents to the life science research community. We offer quality custom synthetic oligonucleotides, peptides & genes. We offer AQUATM peptides, PEPscreen custom peptide libraries and custom peptide arrays. We deliver custom DNA oligos, custom DNA probes, custom iScale oligos, custom RNA oligos and custom siRNA oligos.