Here is a great website to find peptide related research and suppliers:
The Peptide Resource Page [Only registered users see links. ]
Custom peptide suppliers - a list of 80+ suppliers with notation on
whether the company synthesizes modified peptides, peptide libraries,
or MAPs. For peptides on the multigram to kilogram scale, see the list
of 40+ Large-scale peptide suppliers.
Software - freeware, shareware, and commercial software for the
prediction of antigenic peptides, the MS analysis of peptides, the
calculation of peptide properties, and much more.
Peptide reagent suppliers - a list of 60+ companies that sell standard
and unusual amino acids; peptide synthesis coupling reagents, solvents,
and resins; fluorogenic peptide substrates; and biologically active
There are other sections on How to find an amino acid or peptide,
Peptide synthesizers, Educational websites, Proteomic tools, and