8IEE

Crystal structure of nanobody VHH-31 with MERS-CoV RBD

• PDB DOI: https://doi.org/10.2210/pdb8IEE/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Middle East respiratory syndrome-related coronavirus, Camelus dromedarius
• Expression System: Trichoplusia ni, Homo sapiens
• Mutation(s): No 


• Deposited: 2023-02-15 Released: 2024-02-28 
• Deposition Author(s): Wang, X., Tian, L.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.252 
• R-Value Work: 0.243 

Starting Model: experimental

Literature

Structures and neutralizing mechanisms of camel nanobodies targeting the receptor-binding domain of MERS-CoV spike glycoprotein

Tian, L., Wang, R., Zhang, L., Wang, X.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 79.02 kDa 
• Atom Count: 5,194 
• Modelled Residue Count: 676 
• Deposited Residue Count: 720 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike protein S1	A [auth B], C [auth A]	229	Middle East respiratory syndrome-related coronavirus	Mutation(s): 0  Gene Names: S
UniProt
Find proteins for K9N5Q8 (Middle East respiratory syndrome-related coronavirus (isolate United Kingdom/H123990006/2012)) Explore K9N5Q8  Go to UniProtKB:  K9N5Q8

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
VHH-31	B [auth D], D [auth C]	131	Camelus dromedarius	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.21 Å
• R-Value Free: 0.252 
• R-Value Work: 0.243 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 158.02	α = 90
b = 158.02	β = 90
c = 132.703	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-02-28 
Deposition Author(s): Wang, X., Tian, L.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2024-02-28
  Type: Initial release