7BQ7 | pdb_00007bq7

Crystal structure of 2019-nCoV nsp16-nsp10 complex

• PDB DOI: https://doi.org/10.2210/pdb7BQ7/pdb

• Classification: VIRAL PROTEIN
• Organism(s): Severe acute respiratory syndrome coronavirus 2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-03-24 Released: 2020-06-17 
• Deposition Author(s): Yan, L.M., Huang, Y.C., Lou, Z.Y., Rao, Z.H.
• Funding Organization(s): Ministry of Science and Technology (MoST, China)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.37 Å
• R-Value Free: 
  0.208 (Depositor), 0.222 (DCC) 
• R-Value Work: 
  0.180 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.181 (Depositor) 

Literature

Crystal structure of 2019-nCoV nsp16-nsp10 complex

Yan, L.M., Huang, Y.C., Lou, Z.Y., Rao, Z.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly Evidence: equilibrium centrifugation

Macromolecule Content 

• Total Structure Weight: 48.72 kDa 
• Atom Count: 3,292 
• Modeled Residue Count: 410 
• Deposited Residue Count: 437 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
2'-O-methyltransferase	A	298	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  Gene Names: rep, 1a-1b EC: 2.1.1
UniProt
Find proteins for P0DTD1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTD1  Go to UniProtKB:  P0DTD1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Non-structural protein 10	B	139	Severe acute respiratory syndrome coronavirus 2	Mutation(s): 0  Gene Names: rep, 1a-1b
UniProt
Find proteins for P0DTD1 (Severe acute respiratory syndrome coronavirus 2) Explore P0DTD1  Go to UniProtKB:  P0DTD1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAM	C [auth A]	S-ADENOSYLMETHIONINE C15 H22 N6 O5 S MEFKEPWMEQBLKI-FCKMPRQPSA-N
ZN	D [auth B], E [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.37 Å
• R-Value Free:  0.208 (Depositor), 0.222 (DCC) 
• R-Value Work:  0.180 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.181 (Depositor) 

Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 170.156	α = 90
b = 170.156	β = 90
c = 52.218	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-3000	data reduction
XDS	data scaling
PHENIX	model building

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2020-06-17 
Deposition Author(s): Yan, L.M., Huang, Y.C., Lou, Z.Y., Rao, Z.H.

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Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, China)	China	2017YFC0840300

Revision History  

• Version 1.0: 2020-06-17
  Type: Initial release
  
• Version 1.1: 2021-03-10
  Changes: Structure summary
• Version 1.2: 2024-03-27
  Changes: Advisory, Data collection, Database references