(Arg)9, TAMRA-Labeled

TAMRA-(Arg)9 is an orange-red fluorescent polyarginine cell-penetrating peptide. The nona-arginine segment is a widely used model for arginine-rich cellular uptake, while TAMRA provides fluorescence detection near 541/568 nm.

• cell-penetrating peptide research
• intracellular delivery studies
• fluorescence microscopy
• polyarginine uptake studies

TAMRA and FAM versions are distinct chemical probes and may differ in charge, hydrophobicity and cellular behavior. Protect the labeled peptide from light.

1. Cell-penetrating peptides: 20 years later, where do we stand?