Green light for a new method: The protein UnaG shows bright green fluorescence in conjugation with bilirubin. The high affinity and specificity of UnaG allows for the fast and reliable measurement of bilirubin levels in human serum, which could improve the diagnosis of neonatal jaundice and other disorders based on insoluble bilirubin. UnaG expands the toolbox of fluorescent proteins with new features, such as oxygen independence and fast inducibility.
- genetic engineering
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