3PJI

Crystal structure of AgamOBP22a at 1.7 angstrom in the open status for ligand binding.

• PDB DOI: https://doi.org/10.2210/pdb3PJI/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Anopheles gambiae str. PEST
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-11-10 Released: 2012-01-11 
• Deposition Author(s): Zhang, S., Ren, H.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.208 
• R-Value Work: 0.179 
• R-Value Observed: 0.182 

Literature

Crystal Structures of Anopheles gambiae Odorant-binding Protein AgamOBP22a and Complexes with Bound Odorants

Ren, H., Yang, G., Winberg, G., Turin, L., Zhang, S.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 16.1 kDa 
• Atom Count: 1,115 
• Modelled Residue Count: 119 
• Deposited Residue Count: 141 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Odorant binding protein (AGAP010409-PA)	A	141	Anopheles gambiae str. PEST	Mutation(s): 0  Gene Names: OBP22, OBPjj83b, AGAP010409
UniProt
Find proteins for Q7PGA3 (Anopheles gambiae) Explore Q7PGA3  Go to UniProtKB:  Q7PGA3

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NH4	B [auth A], C [auth A], D [auth A]	AMMONIUM ION H4 N QGZKDVFQNNGYKY-UHFFFAOYSA-O

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.208 
• R-Value Work: 0.179 
• R-Value Observed: 0.182 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 72.263	α = 90
b = 37.702	β = 99.46
c = 43.639	γ = 90

Software Package:

Software Name	Purpose
CrystalClear	data collection
PHENIX	model building
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-01-11 
Deposition Author(s): Zhang, S., Ren, H.

Revision History  

• Version 1.0: 2012-01-11
  Type: Initial release
  
• Version 1.1: 2012-01-25
  Changes: Other
• Version 1.2: 2018-03-07
  Changes: Data collection