7WRM

The malate-bound dimer of chemoreceptor MCP2201 ligand binding domain

• PDB DOI: https://doi.org/10.2210/pdb7WRM/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Comamonas testosteroni CNB-2
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2022-01-27 Released: 2023-01-04 
• Deposition Author(s): Hong, Y., Guo, L., Li, D.F.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.208 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 

Literature

The repellent response to malate mediated by chemoreceptor MCP2201 in Comamonas testosteroni CNB-1

Guo, L., Li, D.F., Liu, S.J.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 34.18 kDa 
• Atom Count: 2,407 
• Modelled Residue Count: 285 
• Deposited Residue Count: 308 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Methyl-accepting chemotaxis sensory transducer	A, B	154	Comamonas testosteroni CNB-2	Mutation(s): 0  Gene Names: CtCNB1_2201

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
LMR	C [auth A], D [auth B]	(2S)-2-hydroxybutanedioic acid C4 H6 O5 BJEPYKJPYRNKOW-REOHCLBHSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.208 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.42	α = 90
b = 59.84	β = 90
c = 98.06	γ = 90

Software Package:

Software Name	Purpose
XDS	data scaling
PHENIX	phasing
PHENIX	refinement

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-01-04 
Deposition Author(s): Hong, Y., Guo, L., Li, D.F.

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Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	92051101

Revision History  

• Version 1.0: 2023-01-04
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description