Rational design of true monomeric and bright photoactivatable fluorescent proteins.

Abstract:

:Monomeric (m)Eos2 is an engineered photoactivatable fluorescent protein widely used for super-resolution microscopy. We show that mEos2 forms oligomers at high concentrations and forms aggregates when labeling membrane proteins, limiting its application as a fusion partner. We solved the crystal structure of tetrameric mEos2 and rationally designed improved versions, mEos3.1 and mEos3.2, that are truly monomeric, are brighter, mature faster and exhibit higher photon budget and label density.

journal_name

Nat Methods

journal_title

Nature methods

authors

Zhang M,Chang H,Zhang Y,Yu J,Wu L,Ji W,Chen J,Liu B,Lu J,Liu Y,Zhang J,Xu P,Xu T

doi

10.1038/nmeth.2021

subject

Has Abstract

pub_date

2012-05-13 00:00:00

pages

727-9

issue

7

eissn

1548-7091

issn

1548-7105

pii

nmeth.2021

journal_volume

9

pub_type

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