4S0W

Wild type T4 lysozyme structure

• PDB DOI: https://doi.org/10.2210/pdb4S0W/pdb

• Classification: HYDROLASE
• Organism(s): Tequatrovirus T4
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2015-01-07 Released: 2015-02-04 
• Deposition Author(s): Snell, E.H., Snell, M.E.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.12 Å
• R-Value Free: 0.217 
• R-Value Work: 0.170 
• R-Value Observed: 0.172 

Starting Model: experimental

Literature

Wild type T4 lysozyme structure

Snell, E.H., Snell, M.E.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 38.57 kDa 
• Atom Count: 3,097 
• Modelled Residue Count: 324 
• Deposited Residue Count: 328 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lysozyme	A, B	164	Tequatrovirus T4	Mutation(s): 0  Gene Names: e, T4Tp126 EC: 3.2.1.17
UniProt
Find proteins for P00720 (Enterobacteria phage T4) Explore P00720  Go to UniProtKB:  P00720

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EPE	F [auth A], K [auth B]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C8 H18 N2 O4 S JKMHFZQWWAIEOD-UHFFFAOYSA-N
SO4	C [auth A], D [auth A], E [auth A], J [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	I [auth A], M [auth B], N [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	G [auth A], H [auth A], L [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.12 Å
• R-Value Free: 0.217 
• R-Value Work: 0.170 
• R-Value Observed: 0.172 
• Space Group: P 3₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.63	α = 90
b = 52.63	β = 90
c = 99.46	γ = 120

Software Package:

Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
PHENIX	refinement
MOSFLM	data reduction
Aimless	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-02-04 
Deposition Author(s): Snell, E.H., Snell, M.E.

Revision History  

• Version 1.0: 2015-02-04
  Type: Initial release
  
• Version 1.1: 2016-12-28
  Changes: Database references, Structure summary
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description