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Instruments / Technical Area	Publication Details	Published	Actions
B21-High Throughput SAXS	Exploring the role of elongation Factor-Like 1 (EFL1) in Shwachman-Diamond syndrome through molecular dynamics Pietro Delre , Domenico Alberga , Abril Gijsbers , Nuria Sánchez-Puig , Orazio Nicolotti , Michele Saviano , Dritan Siliqi , Giuseppe Felice Mangiatordi Journal Of Biomolecular Structure And Dynamics DOI: 10.1080/07391102.2019.1704883 Diamond Proposal Number(s): [21741] Show Abstract ▼ Abstract: Shwachman-Diamond Syndrome (SDS) is an autosomal recessive disorder whose patients present mutations in two ribosome assembly proteins, the Shwachman-Bodian-Diamond Syndrome protein (SBDS) and the Elongation Factor-Like 1 (EFL1). Due to the lack of knowledge of the molecular mechanisms responsible for SDS pathogenesis, current therapy is nonspecific and focuses only at alleviating the symptoms. Building on the recent observation that EFL1 single-point mutations clinically manifest as SDS-like phenotype, we carried out comparative Molecular Dynamics (MD) simulations on three mutants, T127A, M882K and R1095Q and wild type EFL1. As supported by small angle X-ray scattering experiments, the obtained data improve the static EFL1 model resulting from the Cryo-electron microscopy and clearly show that all the mutants experience a peculiar rotation, around the hinge region, of domain IV with respect to domains I and II leading to a different conformation respect to that of wild type protein. This study supports the notion that EFL1 function is governed by an allosteric mechanism involving the concerted action of GTPase domain (domain I) and the domain IV and can help point towards new approaches to SDS treatment.	Dec 2019

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B21-High Throughput SAXS

Exploring the role of elongation Factor-Like 1 (EFL1) in Shwachman-Diamond syndrome through molecular dynamics

Pietro Delre , Domenico Alberga , Abril Gijsbers , Nuria Sánchez-Puig , Orazio Nicolotti , Michele Saviano , Dritan Siliqi , Giuseppe Felice Mangiatordi

Journal Of Biomolecular Structure And Dynamics

DOI: 10.1080/07391102.2019.1704883

Diamond Proposal Number(s): [21741]

Show Abstract ▼

Dec 2019