Proteomics

Dataset Information

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Identification of SurA inter-domain dynamics and client binding by XL-MS


ABSTRACT: We present XL-MS data of apo-SurA and SurA in complex with OmpX to define (1) interdomain interactions in the periplasmic chaperone SurA, and (2) the binding site of OmpX on SurA.

INSTRUMENT(S): Synapt MS, Q Exactive

ORGANISM(S): Escherichia Coli

SUBMITTER: Antonio Calabrese  

LAB HEAD: Sheena E Radford

PROVIDER: PXD016993 | Pride | 2020-05-22

REPOSITORIES: Pride

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Publications


The periplasmic chaperone SurA plays a key role in outer membrane protein (OMP) biogenesis. E. coli SurA comprises a core domain and two peptidylprolyl isomerase domains (P1 and P2), but its mechanisms of client binding and chaperone function have remained unclear. Here, we use chemical cross-linking, hydrogen-deuterium exchange mass spectrometry, single-molecule FRET and molecular dynamics simulations to map the client binding site(s) on SurA and interrogate the role of conformational dynamics  ...[more]

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