7SJ6 | pdb_00007sj6

T4 Lysozyme L99A/M102H with 1,2-Azaborine bound

• PDB DOI: https://doi.org/10.2210/pdb7SJ6/pdb

• Classification: HYDROLASE
• Organism(s): Tequatrovirus T4
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2021-10-16 Released: 2022-10-26 
• Deposition Author(s): Yao, L., Wirth, J.
• Funding Organization(s): National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.72 Å
• R-Value Free: 
  0.202 (Depositor), 0.201 (DCC) 
• R-Value Work: 
  0.169 (Depositor), 0.169 (DCC) 
• R-Value Observed: 
  0.170 (Depositor) 

Starting Model: experimental

Literature

T4 Lysozyme L99A/M102H with 1,2-Azaborine bound

Yao, L., Wirth, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 43.82 kDa 
• Atom Count: 3,335 
• Modeled Residue Count: 348 
• Deposited Residue Count: 374 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lysozyme	A, B	187	Tequatrovirus T4	Mutation(s): 2  EC: 3.2.1.17
UniProt
Find proteins for P00720 (Enterobacteria phage T4) Explore P00720  Go to UniProtKB:  P00720

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HED	G [auth A]	2-HYDROXYETHYL DISULFIDE C4 H10 O2 S2 KYNFOMQIXZUKRK-UHFFFAOYSA-N
SO4	D [auth A], E [auth A], J [auth B], K [auth B], L [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
B20 (Subject of Investigation/LOI)	C [auth A], H [auth B]	1,2-dihydro-1,2-azaborinine C4 H6 B N OGZZEGWWYQKMSO-UHFFFAOYSA-N
BME	F [auth A], M [auth B]	BETA-MERCAPTOETHANOL C2 H6 O S DGVVWUTYPXICAM-UHFFFAOYSA-N
ACT	I [auth B]	ACETATE ION C2 H3 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.72 Å
• R-Value Free:  0.202 (Depositor), 0.201 (DCC) 
• R-Value Work:  0.169 (Depositor), 0.169 (DCC) 
• R-Value Observed: 0.170 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 48.78	α = 90
b = 75.84	β = 93.223
c = 52.82	γ = 90

Software Package:

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

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2022-10-26 
Deposition Author(s): Yao, L., Wirth, J.

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Funding Organization	Location	Grant Number
National Institutes of Health/Eunice Kennedy Shriver National Institute of Child Health & Human Development (NIH/NICHD)	United States	R01-GM094541

Revision History  

• Version 1.0: 2022-10-26
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description
• Version 1.2: 2023-11-29
  Changes: Database references
• Version 2.0: 2024-12-25
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary