Advanced Spectroscopy for Copper Peptide Research IUCr) The copper(II) binding tripeptide GHK, a valuable crystallization and phasing tag for macromolecular crystallography GHK Cu 50mg Third Kind GHK Cu Copper Peptide 50mg Cypress Compound Co Theoretical study of copper binding to GHK peptide ScienceDirect GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link