Colorimetric and fluorescent proteins

摘要

The invention relates to intracellular lipid binding proteins that bind retinoids and/or dye ligands and that are modified to transmit or emit light at a variety of different wavelengths.

主权项

1. An isolated nucleic acid encoding a polypeptide that transmits or emits light when bound to a retinoid or fluorescent dye molecule, wherein the polypeptide has a lysine at position 108 and at least 95% sequence identity to SEQ ID NO:6.