6Z2M

H11-D4, SARS-CoV-2 RBD, CR3022 ternary complex

• PDB DOI: https://doi.org/10.2210/pdb6Z2M/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Severe acute respiratory syndrome coronavirus 2, Homo sapiens, Lama glama
• Expression System: Homo sapiens, Escherichia coli
• Mutation(s): No 


• Deposited: 2020-05-17 Released: 2020-06-03 
• Deposition Author(s): Naismith, J.H., Ren, J., Zhou, D., Zhao, Y., Stuart, D.I.
• Funding Organization(s): Wellcome Trust, Engineering and Physical Sciences Research Council

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.71 Å
• R-Value Free: 0.241 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Starting Model: experimental

Literature

Structural characterisation of a nanobody derived from a naive library that neutralises SARS-CoV-2

Naismith, J.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 166.9 kDa 
• Atom Count: 11,731 
• Modelled Residue Count: 1,516 
• Deposited Residue Count: 1,518 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Spike glycoprotein	A, D [auth E]	197	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  Gene Names: S, 2
UniProt
Find proteins for P0DTC2 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTC2  Go to UniProtKB:  P0DTC2
Glycosylation
Glycosylation Sites: 1		Go to GlyGen: P0DTC2-1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
CR3022 antibody	B, E [auth H]	216	Homo sapiens	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
CR3022 antibody	C, F [auth L]	219	Homo sapiens	Mutation(s): 0

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
nanobody D4	G [auth F], H [auth D]	127	Lama glama	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	I [auth A], J [auth E]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.71 Å
• R-Value Free: 0.241 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 149.717	α = 90
b = 150.395	β = 90
c = 119.537	γ = 90

Software Package:

Software Name	Purpose
XDS	data reduction
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XSCALE	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-06-03 
Deposition Author(s): Naismith, J.H., Ren, J., Zhou, D., Zhao, Y., Stuart, D.I.

---

Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	100209/Z/12/Z
Engineering and Physical Sciences Research Council	United Kingdom	EP/S025243/1.

Revision History  

• Version 1.0: 2020-06-03
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2024-01-24
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 1.3: 2024-11-06
  Changes: Structure summary