FAM Labeled Peptides

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FAM Peptide Labeling

FAM is a fluorescein-family dye widely used in peptide, oligonucleotide, and probe labeling. It is useful for fluorescence assays, peptide conjugation, and general green-channel detection workflows.

Key Properties

Excitation / Emission494 / 520 nm
ColorGreen
Laser Compatibility488 nm
Typical UseAssays, probes, peptide conjugates
NotesFrequently used in analytical and bioassay formats
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FAM Spectrum

FAM excitation emission spectrum

Why Use FAM?

  • Strong green-channel signal
  • Widely used in probes and assay systems
  • Compatible with standard 488 nm excitation
  • Useful for peptide-based fluorescence applications

Common Labeling Formats

  • N-terminal labeling
  • Side-chain labeling at selected residues
  • Use with spacer arms when needed

Related Dyes