7WZB | pdb_00007wzb

lipopolysaccharide assembly protein LapB (open)

• PDB DOI: https://doi.org/10.2210/pdb7WZB/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2022-02-17 Released: 2023-03-01 
• Deposition Author(s): Yan, L., Dong, H., Li, H., Liu, X., Deng, Z., Dong, C., Zhang, Z.
• Funding Organization(s): Ministry of Science and Technology (MoST, China), National Natural Science Foundation of China (NSFC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 
  0.249 (Depositor), 0.270 (DCC) 
• R-Value Work: 
  0.248 (Depositor), 0.230 (DCC) 

Starting Model: experimental

Literature

lipopolysaccharide assembly protein LapB (open)

Yan, L., Dong, H., Li, H., Liu, X., Deng, Z., Dong, C., Zhang, Z.

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 and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 85.05 kDa 
• Atom Count: 3,885 
• Modeled Residue Count: 505 
• Deposited Residue Count: 742 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Lipopolysaccharide assembly protein B	A [auth B], B [auth A]	371	Salmonella enterica subsp. enterica serovar Typhimurium str. LT2	Mutation(s): 0  Gene Names: lapB
UniProt
Find proteins for Q7CQG6 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)) Explore Q7CQG6  Go to UniProtKB:  Q7CQG6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PGE (Subject of Investigation/LOI)	D [auth B]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N
ZN	C [auth B], E [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free:  0.249 (Depositor), 0.270 (DCC) 
• R-Value Work:  0.248 (Depositor), 0.230 (DCC) 

Space Group: P 2₁ 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.08	α = 90
b = 78.96	β = 90
c = 124.03	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-03-01 
Deposition Author(s): Yan, L., Dong, H., Li, H., Liu, X., Deng, Z., Dong, C., Zhang, Z.

---

Funding Organization	Location	Grant Number
Ministry of Science and Technology (MoST, China)	China	2018YFA0903200
Ministry of Science and Technology (MoST, China)	China	2021YFC2100600
National Natural Science Foundation of China (NSFC)	China	31800052

Revision History  

• Version 1.0: 2023-03-01
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description