5-TAMRA-dUTP (5-Tetramethylrhodamine-dUTP) can be enzymatically incorporated into DNA to make fluorescently labeled probes, and has absorption/emission at 553/577 nm. Note: 5-TAMRA-dUTP may not be compatible with PCR labeling of DNA probes. Supplied as a 1 mM solution in Tris-HCl buffer, pH 7.5.