9XKC | pdb_00009xkc

Crystal structure of Odorant Binding Protein 11 from Locusta migratoria (LmigOBP11) with acetate

PDB DOI: https://doi.org/10.2210/pdb9XKC/pdb

Classification: TRANSPORT PROTEIN
Organism(s): Acrididae
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-11-05 Released: 2026-11-11
Deposition Author(s): Zhao, P.T., Guo, X.J., Ye, J., Chang, J.L.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.70 Å
R-Value Free:
0.227 (Depositor), 0.227 (DCC)
R-Value Work:
0.185 (Depositor), 0.185 (DCC)
R-Value Observed:
0.188 (Depositor)

Starting Model: in silico
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Literature

Crystal structure of Odorant Binding Protein 11 from Locusta migratoria (LmigOBP11) with acetate

Zhao, P.T., Guo, X.J., Chang, J.L.

To be published.

Macromolecule Content

Total Structure Weight: 30.83 kDa
Atom Count: 2,386
Modeled Residue Count: 280
Deposited Residue Count: 282
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Odorant Binding Protein 11	A, B	141	Acrididae	Mutation(s): 0
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
ACT (Subject of Investigation/LOI) Query on ACT Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.70 Å
R-Value Free: 0.227 (Depositor), 0.227 (DCC)
R-Value Work: 0.185 (Depositor), 0.185 (DCC)
R-Value Observed: 0.188 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 36.909	α = 90
b = 62.462	β = 90
c = 106.141	γ = 90

Software Package:

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

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-11-11

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	31770127

Revision History (Full details and data files)

Version 1.0: 2026-11-11
Type: Initial release