3Q8I | pdb_00003q8i

Crystal structure of Anopheles Gambiae odorant binding protein 4 in complex with indole

• PDB DOI: https://doi.org/10.2210/pdb3Q8I/pdb

• Classification: Odorant Binding Protein
• Organism(s): Anopheles gambiae
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-01-06 Released: 2011-08-03 
• Deposition Author(s): Davrazou, F., Dong, E., Murphy, E.J., Jones, D.N.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.240 (Depositor), 0.237 (DCC) 
• R-Value Work: 
  0.200 (Depositor) 
• R-Value Observed: 
  0.202 (Depositor) 

Literature

Conformational ordering plays a key role in regulating heterodimeric interactions between odorant binding proteins from Anopheles gambiae

Davrazou, F., Dong, E., Murphy, E.J., Jones, D.N.M.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 14.28 kDa 
• Atom Count: 1,074 
• Modeled Residue Count: 123 
• Deposited Residue Count: 124 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Odorant binding protein	A	124	Anopheles gambiae	Mutation(s): 0  Gene Names: AgamOBP4, AGAP010489, agCG48601, OBP-4, OBP4
UniProt
Find proteins for Q8T6R7 (Anopheles gambiae) Explore Q8T6R7  Go to UniProtKB:  Q8T6R7

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IND	D [auth A]	INDOLE C8 H7 N SIKJAQJRHWYJAI-UHFFFAOYSA-N
PO4	B [auth A], C [auth A]	PHOSPHATE ION O4 P NBIIXXVUZAFLBC-UHFFFAOYSA-K

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.240 (Depositor), 0.237 (DCC) 
• R-Value Work:  0.200 (Depositor) 
• R-Value Observed: 0.202 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.239	α = 90
b = 66.364	β = 90
c = 33.666	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
PHASER	phasing
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-08-03 
Deposition Author(s): Davrazou, F., Dong, E., Murphy, E.J., Jones, D.N.M.

Revision History  

• Version 1.0: 2011-08-03
  Type: Initial release
  
• Version 1.1: 2024-11-20
  Changes: Data collection, Database references, Derived calculations, Structure summary