4JRB

Structure of Cockroach Allergen Bla g 1 Tandem Repeat as a EGFP fusion

• PDB DOI:  https://doi.org/10.2210/pdb4JRB/pdb

• Classification: LIPID BINDING PROTEIN
• Organism(s): Aequorea victoria, Blattella germanica
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2013-03-21 Released: 2013-07-24 
• Deposition Author(s): Mueller, G.A., Pedersen, L.C., Lih, F.B., Glesner, J., Moon, A.F., Chapman, M.D., Tomer, K., London, R.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.41 Å
• R-Value Free: 0.246 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Literature

The novel structure of the cockroach allergen Bla g 1 has implications for allergenicity and exposure assessment.

Mueller, G.A., Pedersen, L.C., Lih, F.B., Glesner, J., Moon, A.F., Chapman, M.D., Tomer, K.B., London, R.E., Pomes, A.

(2013) J Allergy Clin Immunol 132: 1420-1426.e9

• PubMed: 23915714 
• DOI: https://doi.org/10.1016/j.jaci.2013.06.014
• Primary Citation of Related Structures:  
  4JRB


• PubMed Abstract: 
  

Sensitization to cockroach allergens is a major risk factor for asthma. The cockroach allergen Bla g 1 has multiple repeats of approximately 100 amino acids, but the fold of the protein and its biological function are unknown.

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Organizational Affiliation: 

Laboratory of Structural Biology, National Institute of Environmental Health Sciences, Research Triangle Park, NC. Electronic address: [e-mail].

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 48.58 kDa 
• Atom Count: 3,303 
• Modelled Residue Count: 399 
• Deposited Residue Count: 416 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Green fluorescent protein	A	416	Aequorea victoria, Blattella germanica This entity is chimeric	Mutation(s): 1  Gene Names: GFP
UniProt
Find proteins for P42212 (Aequorea victoria) Explore P42212  Go to UniProtKB:  P42212
Find proteins for Q9UAM5 (Blattella germanica) Explore Q9UAM5  Go to UniProtKB:  Q9UAM5
UniProt Groups	P42212Q9UAM5

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PGT	D [auth A]	(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE C40 H79 O10 P KBPVYRBBONZJHF-AMAPPZPBSA-N
D12	E [auth A], F [auth A], G [auth A], H [auth A], I [auth A], J [auth A]	DODECANE C12 H26 SNRUBQQJIBEYMU-UHFFFAOYSA-N
CL	B [auth A], C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CR2	A	L-PEPTIDE LINKING	C13 H13 N3 O4		GLY, TYR, GLY

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.41 Å
• R-Value Free: 0.246 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.768	α = 90
b = 141.92	β = 90
c = 93.465	γ = 90

Software Package:

Software Name	Purpose
SERGUI	data collection
MLPHARE	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-07-24 
Deposition Author(s): Mueller, G.A., Pedersen, L.C., Lih, F.B., Glesner, J., Moon, A.F., Chapman, M.D., Tomer, K., London, R.E.

Revision History  

• Version 1.0: 2013-07-24
  Type: Initial release
  
• Version 1.1: 2013-08-21
  Changes: Database references
• Version 1.2: 2013-11-20
  Changes: Database references
• Version 1.3: 2013-12-25
  Changes: Database references
• Version 1.4: 2017-06-21
  Changes: Database references, Source and taxonomy, Structure summary
• Version 1.5: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description