6VYO

Crystal structure of RNA binding domain of nucleocapsid phosphoprotein from SARS coronavirus 2


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.70 Å
  • R-Value Free: 0.205 
  • R-Value Work: 0.159 
  • R-Value Observed: 0.162 

Starting Model: experimental
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This is version 3.2 of the entry. See complete history


Literature

Epitopes recognition of SARS-CoV-2 nucleocapsid RNA binding domain by human monoclonal antibodies.

Kim, Y.Maltseva, N.Tesar, C.Jedrzejczak, R.Endres, M.Ma, H.Dugan, H.L.Stamper, C.T.Chang, C.Li, L.Changrob, S.Zheng, N.Y.Huang, M.Ramanathan, A.Wilson, P.Michalska, K.Joachimiak, A.

(2024) iScience 27: 108976-108976

  • DOI: https://doi.org/10.1016/j.isci.2024.108976
  • Primary Citation of Related Structures:  
    6VYO, 6WKP, 7N3C, 7N3D, 7STR, 7STS, 7SUE

  • PubMed Abstract: 

    Coronavirus nucleocapsid protein (NP) of SARS-CoV-2 plays a central role in many functions important for virus proliferation including packaging and protecting genomic RNA. The protein shares sequence, structure, and architecture with nucleocapsid proteins from betacoronaviruses. The N-terminal domain (NP RBD ) binds RNA and the C-terminal domain is responsible for dimerization. After infection, NP is highly expressed and triggers robust host immune response. The anti-NP antibodies are not protective and not neutralizing but can effectively detect viral proliferation soon after infection. Two structures of SARS-CoV-2 NP RBD were determined providing a continuous model from residue 48 to 173, including RNA binding region and key epitopes. Five structures of NP RBD complexes with human mAbs were isolated using an antigen-bait sorting. Complexes revealed a distinct complement-determining regions and unique sets of epitope recognition. This may assist in the early detection of pathogens and designing peptide-based vaccines. Mutations that significantly increase viral load were mapped on developed, full length NP model, likely impacting interactions with host proteins and viral RNA.


  • Organizational Affiliation

    Center for Structural Biology of Infectious Diseases, Consortium for Advanced Science and Engineering, University of Chicago, Chicago, IL 60367, USA.


Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Nucleoprotein
A, B, C, D
128Severe acute respiratory syndrome coronavirus 2Mutation(s): 0 
UniProt
Find proteins for P0DTC9 (Severe acute respiratory syndrome coronavirus 2)
Explore P0DTC9 
Go to UniProtKB:  P0DTC9
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0DTC9
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
MES
Query on MES

Download Ideal Coordinates CCD File 
E [auth A],
G [auth A],
L [auth B],
Q [auth C]
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
C6 H13 N O4 S
SXGZJKUKBWWHRA-UHFFFAOYSA-N
GOL
Query on GOL

Download Ideal Coordinates CCD File 
K [auth B],
P [auth C],
S [auth D],
T [auth D]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
ZN
Query on ZN

Download Ideal Coordinates CCD File 
H [auth A],
J [auth A],
M [auth B],
R [auth C]
ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
CL
Query on CL

Download Ideal Coordinates CCD File 
F [auth A],
I [auth A],
N [auth C],
O [auth C]
CHLORIDE ION
Cl
VEXZGXHMUGYJMC-UHFFFAOYSA-M
Experimental Data & Validation

Experimental Data

Unit Cell:
Length ( Å )Angle ( ˚ )
a = 66.238α = 90
b = 77.43β = 90
c = 114.039γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
SCALEPACKdata scaling
PDB_EXTRACTdata extraction
HKL-3000data reduction
HKL-3000phasing
SBC-Collectdata collection

Structure Validation

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Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2020-03-11
    Type: Initial release
  • Version 1.1: 2020-03-25
    Changes: Structure summary
  • Version 2.0: 2020-04-08
    Type: Coordinate replacement
    Reason: Ligand identity
    Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Refinement description, Structure summary
  • Version 3.0: 2020-05-06
    Changes: Atomic model, Data collection, Database references, Derived calculations, Source and taxonomy, Structure summary
  • Version 3.1: 2023-10-11
    Changes: Data collection, Database references, Derived calculations, Refinement description, Structure summary
  • Version 3.2: 2024-02-28
    Changes: Database references