3NHM

Crystal structure of a response regulator from Myxococcus xanthus

• PDB DOI: https://doi.org/10.2210/pdb3NHM/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Myxococcus xanthus DK 1622
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-06-14 Released: 2010-07-21 
• Deposition Author(s): Palani, K., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.19 Å
• R-Value Free: 0.263 
• R-Value Work: 0.230 
• R-Value Observed: 0.230 

Literature

Crystal structure of a response regulator from Myxococcus xanthus

Palani, K., Burley, S.K., Swaminathan, S.

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 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Macromolecule Content

• Total Structure Weight: 29.38 kDa 
• Atom Count: 1,879 
• Modelled Residue Count: 230 
• Deposited Residue Count: 266 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Response regulator	A, B	133	Myxococcus xanthus DK 1622	Mutation(s): 0  Gene Names: MXAN_5889
UniProt
Find proteins for Q1CZZ7 (Myxococcus xanthus (strain DK1622)) Explore Q1CZZ7  Go to UniProtKB:  Q1CZZ7

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.19 Å
• R-Value Free: 0.263 
• R-Value Work: 0.230 
• R-Value Observed: 0.230 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.616	α = 90
b = 40.408	β = 102.28
c = 99.617	γ = 90

Software Package:

Software Name	Purpose
CBASS	data collection
MOLREP	phasing
ARP/wARP	model building
Coot	model building
CNS	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-07-21 
Deposition Author(s): Palani, K., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2010-07-21
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2021-02-10
  Changes: Database references, Derived calculations, Structure summary
• Version 1.3: 2023-09-06
  Changes: Data collection, Database references, Refinement description
• Version 1.4: 2023-11-22
  Changes: Data collection