9J01 | pdb_00009j01

Crystal Structure Sensory Appendage Protein 2 from Anopheles culicifacies

• PDB DOI: https://doi.org/10.2210/pdb9J01/pdb

• Classification: LIPID BINDING PROTEIN
• Organism(s): Anopheles culicifacies
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2024-08-01 Released: 2025-08-06 
• Deposition Author(s): Goswami, R., Biswas, S., Barbosa, R.L., Sung, S., Marquez, J.A., Chakraborti, S., Manickam, Y.
• Funding Organization(s): Department of Biotechnology (DBT, India), Indian Council of Medical Research

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free: 
  0.238 (Depositor), 0.235 (DCC) 
• R-Value Work: 
  0.188 (Depositor), 0.196 (DCC) 
• R-Value Observed: 
  0.191 (Depositor) 

Literature

Crystal Structure Sensory Appendage Protein 2 from Anopheles culicifacies

Goswami, R., Biswas, S., Barbosa, R.L., Sung, S., Marquez, J.A., Chakraborti, S., Manickam, Y.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 13.79 kDa 
• Atom Count: 830 
• Modeled Residue Count: 94 
• Deposited Residue Count: 111 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Chemosensory protein 3	A	111	Anopheles culicifacies	Mutation(s): 0
UniProt
Find proteins for A0A182MAD2 (Anopheles culicifacies) Explore A0A182MAD2  Go to UniProtKB:  A0A182MAD2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CD (Subject of Investigation/LOI)	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	CADMIUM ION Cd WLZRMCYVCSSEQC-UHFFFAOYSA-N
CL (Subject of Investigation/LOI)	G [auth A], H [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.61 Å
• R-Value Free:  0.238 (Depositor), 0.235 (DCC) 
• R-Value Work:  0.188 (Depositor), 0.196 (DCC) 
• R-Value Observed: 0.191 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 31.365	α = 90
b = 37.075	β = 93.19
c = 41.014	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
CRANK2	phasing
XDS	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2025-08-06 
Deposition Author(s): Goswami, R., Biswas, S., Barbosa, R.L., Sung, S., Marquez, J.A., Chakraborti, S., Manickam, Y.

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Funding Organization	Location	Grant Number
Department of Biotechnology (DBT, India)	India	PR32713
Indian Council of Medical Research	India	75/20/2020/ECD-II

Revision History  

• Version 1.0: 2025-08-06
  Type: Initial release