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|Ex λ||Em λ||EC (M-1 cm-1)||QY||Brightness||pKa||Maturation (min)||Lifetime (ns)|
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dimer1 was derived from DsRed-Express with the following mutations: M1_A2insV/S117C/I125R/K163Q/S179T/S197T
[Dimer1 is an intermediate DsRed mutant in the development dimer2 and mRFP1]. Dimer1 was somewhat better than wild-type DsRed both in terms of brightness and rate of maturation but had a substantial green peak equivalent to that of DsRed.T1. Dimer1 was also somewhat blue-shifted with an excitation maximum at 551 nm and an emission maximum at 579 nm.