7QIP

SARS-CoV-2 Nucleocapsid phosphopeptide 201-210 bound to human 14-3-3 sigma

• PDB DOI: https://doi.org/10.2210/pdb7QIP/pdb

• Classification: PEPTIDE BINDING PROTEIN
• Organism(s): Homo sapiens, Severe acute respiratory syndrome coronavirus 2
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2021-12-15 Released: 2021-12-29 
• Deposition Author(s): Sluchanko, N.N., Tugaeva, K.V., Smith, J.L.R., Antson, A.A.
• Funding Organization(s): Russian Science Foundation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.266 
• R-Value Work: 0.230 
• R-Value Observed: 0.232 

Literature

SARS-CoV-2 Nucleocapsid phosphopeptide 193-200 bound to human 14-3-3 sigma

Sluchanko, N.N., Tugaeva, K.V., Smith, J.L.R., Antson, A.A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 54.88 kDa 
• Atom Count: 3,755 
• Modelled Residue Count: 473 
• Deposited Residue Count: 488 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein sigma	A, B	234	Homo sapiens	Mutation(s): 3  Gene Names: SFN, HME1
UniProt & NIH Common Fund Data Resources
Find proteins for P31947 (Homo sapiens) Explore P31947  Go to UniProtKB:  P31947
PHAROS:  P31947 GTEx:  ENSG00000175793

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
ARG-GLY-TPO-SER-PRO-ALA-ARG-MET	C, D	10	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0
UniProt
Find proteins for P0DTC9 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC9  Go to UniProtKB:  P0DTC9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	E [auth A], F [auth B], G [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
TPO	C, D	L-PEPTIDE LINKING	C4 H10 N O6 P		THR

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.266 
• R-Value Work: 0.230 
• R-Value Observed: 0.232 
• Space Group: P 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 99.688	α = 90
b = 99.688	β = 90
c = 58.575	γ = 90

Software Package:

Software Name	Purpose
BUSTER	refinement
DIALS	data reduction
DIALS	data scaling
MOLREP	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-12-29 
Deposition Author(s): Sluchanko, N.N., Tugaeva, K.V., Smith, J.L.R., Antson, A.A.

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Funding Organization	Location	Grant Number
Russian Science Foundation	Russian Federation	19-74-10031

Revision History  

• Version 1.0: 2021-12-29
  Type: Initial release
  
• Version 1.1: 2024-01-31
  Changes: Data collection, Refinement description