4S1T | pdb_00004s1t

Crystal structure of the mutant I26A/N52A of the endoribonuclease from human coronavirus 229E

• PDB DOI: https://doi.org/10.2210/pdb4S1T/pdb

• Classification: HYDROLASE
• Organism(s): Human coronavirus 229E
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2015-01-15 Released: 2016-01-20 
• Deposition Author(s): Huo, T., Liu, X.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.285 (Depositor), 0.280 (DCC) 
• R-Value Work: 
  0.241 (Depositor), 0.240 (DCC) 
• R-Value Observed: 
  0.243 (Depositor) 

Starting Model: experimental

Literature

Crystal structure and mutational analysis of the endoribonuclease from human coronavirus 229E

Huo, T., Liu, X., Yang, C., Rao, Z.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Biological Assembly 2  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 233.5 kDa 
• Atom Count: 16,623 
• Modeled Residue Count: 2,052 
• Deposited Residue Count: 2,094 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uridylate-specific endoribonuclease	A, B, C, D, E, F	349	Human coronavirus 229E	Mutation(s): 2  Gene Names: rep, 1a-1b EC: 3.1
UniProt
Find proteins for P0C6X1 (Human coronavirus 229E) Explore P0C6X1  Go to UniProtKB:  P0C6X1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PO4	G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.285 (Depositor), 0.280 (DCC) 
• R-Value Work:  0.241 (Depositor), 0.240 (DCC) 
• R-Value Observed: 0.243 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 86.445	α = 90
b = 140.285	β = 90
c = 426.933	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-01-20 
Deposition Author(s): Huo, T., Liu, X.

Revision History  

• Version 1.0: 2016-01-20
  Type: Initial release
  
• Version 1.1: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description