7DA8

X-ray structure of a GB1:T2Q/D46K mutant

• PDB DOI: https://doi.org/10.2210/pdb7DA8/pdb

• Classification: PROTEIN BINDING
• Organism(s): Streptococcus sp. 'group G
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2020-10-15 Released: 2021-10-27 
• Deposition Author(s): Manjula, R., Ramaswamy, S., Gosavi, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.305 
• R-Value Work: 0.200 
• R-Value Observed: 0.211 

Literature

X-ray structure of a GB1:T2Q/D46K mutant

Manjula, R., Ramaswamy, S., Gosavi, S.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: mass spectrometry

Macromolecule Content

• Total Structure Weight: 7.07 kDa 
• Atom Count: 445 
• Modelled Residue Count: 56 
• Deposited Residue Count: 62 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Immunoglobulin G-binding protein G	A	62	Streptococcus sp. 'group G	Mutation(s): 2  Gene Names: spg
UniProt
Find proteins for P19909 (Streptococcus sp. group G) Explore P19909  Go to UniProtKB:  P19909

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.305 
• R-Value Work: 0.200 
• R-Value Observed: 0.211 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.023	α = 90
b = 36.136	β = 90
c = 22.053	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2021-10-27 
Deposition Author(s): Manjula, R., Ramaswamy, S., Gosavi, S.

Revision History  

• Version 1.0: 2021-10-27
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description