6N84

MBP-fusion protein of transducin-alpha residues 327-350

• PDB DOI: https://doi.org/10.2210/pdb6N84/pdb

• Classification: CHAPERONE
• Organism(s): Escherichia coli O157:H7, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2018-11-28 Released: 2019-07-10 
• Deposition Author(s): Srivastava, D., Gakhar, L., Artemyev, N.O.
• Funding Organization(s): National Institutes of Health/National Eye Institute (NIH/NEI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.185 
• R-Value Work: 0.157 
• R-Value Observed: 0.158 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 46.56 kDa 
• Atom Count: 3,599 
• Modelled Residue Count: 392 
• Deposited Residue Count: 415 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose/maltodextrin-binding periplasmic protein,Guanine nucleotide-binding protein G(t) subunit alpha-2	A	415	Escherichia coli O157:H7, Homo sapiens This entity is chimeric	Mutation(s): 7  Gene Names: malE, Z5632, ECs5017, GNAT2, GNATC
UniProt & NIH Common Fund Data Resources
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9
Find proteins for P19087 (Homo sapiens) Explore P19087  Go to UniProtKB:  P19087
PHAROS:  P19087
UniProt Groups	P0AEX9P19087

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G07411ON GlyCosmos:  G07411ON

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900001	B	alpha-maltose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.185 
• R-Value Work: 0.157 
• R-Value Observed: 0.158 
• Space Group: P 6₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.07	α = 90
b = 83.07	β = 90
c = 109.229	γ = 120

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-07-10 
Deposition Author(s): Srivastava, D., Gakhar, L., Artemyev, N.O.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Eye Institute (NIH/NEI)	United States	NIH R01 EY12682

Revision History  

• Version 1.0: 2019-07-10
  Type: Initial release
  
• Version 1.1: 2019-07-24
  Changes: Data collection, Database references
• Version 1.2: 2019-12-11
  Changes: Author supporting evidence
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2023-10-11
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 3.0: 2024-01-10
  Changes: Advisory, Atomic model, Database references, Derived calculations, Polymer sequence, Source and taxonomy, Structure summary