7XGR

Structure of Gemin5 C-terminal region (protomer)


Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structural basis for Gemin5 decamer-mediated mRNA binding.

Guo, Q.Zhao, S.Francisco-Velilla, R.Zhang, J.Embarc-Buh, A.Abellan, S.Lv, M.Tang, P.Gong, Q.Shen, H.Sun, L.Yao, X.Min, J.Shi, Y.Martinez-Salas, E.Zhang, K.Xu, C.

(2022) Nat Commun 13: 5166-5166

  • DOI: https://doi.org/10.1038/s41467-022-32883-z
  • Primary Citation of Related Structures:  
    7XDT, 7XGR

  • PubMed Abstract: 

    Gemin5 in the Survival Motor Neuron (SMN) complex serves as the RNA-binding protein to deliver small nuclear RNAs (snRNAs) to the small nuclear ribonucleoprotein Sm complex via its N-terminal WD40 domain. Additionally, the C-terminal region plays an important role in regulating RNA translation by directly binding to viral RNAs and cellular mRNAs. Here, we present the three-dimensional structure of the Gemin5 C-terminal region, which adopts a homodecamer architecture comprised of a dimer of pentamers. By structural analysis, mutagenesis, and RNA-binding assays, we find that the intact pentamer/decamer is critical for the Gemin5 C-terminal region to bind cognate RNA ligands and to regulate mRNA translation. The Gemin5 high-order architecture is assembled via pentamerization, allowing binding to RNA ligands in a coordinated manner. We propose a model depicting the regulatory role of Gemin5 in selective RNA binding and translation. Therefore, our work provides insights into the SMN complex-independent function of Gemin5.


  • Organizational Affiliation

    MOE Key Laboratory for Cellular Dynamics, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, 230027, Hefei, China.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Gem-associated protein 5671Homo sapiensMutation(s): 0 
Gene Names: GEMIN5
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TEQ6 (Homo sapiens)
Explore Q8TEQ6 
Go to UniProtKB:  Q8TEQ6
PHAROS:  Q8TEQ6
GTEx:  ENSG00000082516 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8TEQ6
Sequence Annotations
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  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.60 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Structure Validation

View Full Validation Report



Entry History & Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
National Natural Science Foundation of China (NSFC)China--

Revision History  (Full details and data files)

  • Version 1.0: 2022-08-24
    Type: Initial release
  • Version 1.1: 2022-09-14
    Changes: Database references
  • Version 1.2: 2024-07-03
    Changes: Data collection