8G1M | pdb_00008g1m

Lectin domain of SasG (Staphylococcus aureus Surface protein G)

• PDB DOI: https://doi.org/10.2210/pdb8G1M/pdb

• Classification: CELL ADHESION
• Organism(s): Staphylococcus aureus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2023-02-02 Released: 2024-02-14 
• Deposition Author(s): Maciag, J.J., Herr, A.B.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS), National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free: 
  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.148 (Depositor), 0.150 (DCC) 
• R-Value Observed: 
  0.153 (Depositor) 

Starting Model: experimental

Literature

Mechanistic basis of staphylococcal interspecies competition for skin colonization

Maciag, J.J., Herr, A.B.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: assay for oligomerization

Macromolecule Content 

• Total Structure Weight: 27.99 kDa 
• Atom Count: 2,098 
• Modeled Residue Count: 255 
• Deposited Residue Count: 255 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
E domain-containing protein	A	255	Staphylococcus aureus	Mutation(s): 0  Gene Names: KX797_01590
UniProt
Find proteins for Q2G2B2 (Staphylococcus aureus (strain NCTC 8325 / PS 47)) Explore Q2G2B2  Go to UniProtKB:  Q2G2B2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	B [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.93 Å
• R-Value Free:  0.199 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.148 (Depositor), 0.150 (DCC) 
• R-Value Observed: 0.153 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 127.099	α = 90
b = 43.5	β = 90.56
c = 39.4	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-02-14 
Deposition Author(s): Maciag, J.J., Herr, A.B.

---

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01 GM094363
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R01 AI162964

Revision History  

• Version 1.0: 2024-02-14
  Type: Initial release