6HPJ

Structure of human SRSF1 RRM1 bound to AACAAA RNA


Experimental Data Snapshot

  • Method: SOLUTION NMR
  • Conformers Calculated: 50 
  • Conformers Submitted: 20 
  • Selection Criteria: structures with the lowest energy 

wwPDB Validation   3D Report Full Report


This is version 1.1 of the entry. See complete history


Literature

Structure of SRSF1 RRM1 bound to RNA reveals an unexpected bimodal mode of interaction and explains its involvement in SMN1 exon7 splicing.

Clery, A.Krepl, M.Nguyen, C.K.X.Moursy, A.Jorjani, H.Katsantoni, M.Okoniewski, M.Mittal, N.Zavolan, M.Sponer, J.Allain, F.H.

(2021) Nat Commun 12: 428-428

  • DOI: 10.1038/s41467-020-20481-w
  • Primary Citation of Related Structures:  
    6HPJ

  • PubMed Abstract: 
  • The human prototypical SR protein SRSF1 is an oncoprotein that contains two RRMs and plays a pivotal role in RNA metabolism. We determined the structure of the RRM1 bound to RNA and found that the domain binds preferentially to a CN motif (N is for any nucleotide) ...

    The human prototypical SR protein SRSF1 is an oncoprotein that contains two RRMs and plays a pivotal role in RNA metabolism. We determined the structure of the RRM1 bound to RNA and found that the domain binds preferentially to a CN motif (N is for any nucleotide). Based on this solution structure, we engineered a protein containing a single glutamate to asparagine mutation (E87N), which gains the ability to bind to uridines and thereby activates SMN exon7 inclusion, a strategy that is used to cure spinal muscular atrophy. Finally, we revealed that the flexible inter-RRM linker of SRSF1 allows RRM1 to bind RNA on both sides of RRM2 binding site. Besides revealing an unexpected bimodal mode of interaction of SRSF1 with RNA, which will be of interest to design new therapeutic strategies, this study brings a new perspective on the mode of action of SRSF1 in cells.


    Organizational Affiliation

    Department of Biology, Institute of Biochemistry, ETH Zurich, Zurich, Switzerland. allain@mol.biol.ethz.ch.



Macromolecules

Find similar proteins by:  (by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Immunoglobulin G-binding protein G,Serine/arginine-rich splicing factor 1A [auth B]161Streptococcus sp. 'group GHomo sapiens
This entity is chimeric
Mutation(s): 0 
Gene Names: spgSRSF1ASFSF2SF2P33SFRS1OK/SW-cl.3
UniProt & NIH Common Fund Data Resources
Find proteins for Q07955 (Homo sapiens)
Explore Q07955 
Go to UniProtKB:  Q07955
PHAROS:  Q07955
Find proteins for P19909 (Streptococcus sp. group G)
Explore P19909 
Go to UniProtKB:  P19909
Protein Feature View
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  • Reference Sequence
  • Find similar nucleic acids by:  Sequence   |   Structure
  • Entity ID: 2
    MoleculeChainsLengthOrganismImage
    RNA (5'-R(*AP*AP*CP*AP*AP*A)-3')B [auth A]6Homo sapiens
    Protein Feature View
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    • Reference Sequence
    Experimental Data & Validation

    Experimental Data

    • Method: SOLUTION NMR
    • Conformers Calculated: 50 
    • Conformers Submitted: 20 
    • Selection Criteria: structures with the lowest energy 
    • OLDERADO: 6HPJ Olderado

    Structure Validation

    View Full Validation Report



    Entry History 

    Deposition Data

    Revision History  (Full details and data files)

    • Version 1.0: 2020-11-18
      Type: Initial release
    • Version 1.1: 2021-06-02
      Changes: Database references