2B4A | pdb_00002b4a

Crystal structure of a response regulator receiver domain protein (bh3024) from bacillus halodurans c-125 at 2.42 A resolution

• PDB DOI: https://doi.org/10.2210/pdb2B4A/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Halalkalibacterium halodurans C-125
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-09-23 Released: 2005-10-11 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free: 
  0.243 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.182 (Depositor), 0.190 (DCC) 

Starting Model: experimental

Literature

Crystal structure of BH3024 protein (10175646) from BACILLUS HALODURANS at 2.42 A resolution

Joint Center for Structural Genomics (JCSG)

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: 15.74 kDa 
• Atom Count: 922 
• Modeled Residue Count: 116 
• Deposited Residue Count: 138 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
BH3024	A	138	Halalkalibacterium halodurans C-125	Mutation(s): 0  Gene Names: 10175646
UniProt
Find proteins for Q9K8I2 (Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)) Explore Q9K8I2  Go to UniProtKB:  Q9K8I2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	B [auth A], C [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.42 Å
• R-Value Free:  0.243 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.182 (Depositor), 0.190 (DCC) 

Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.003	α = 90
b = 39.003	β = 90
c = 172.741	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-10-11 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2005-10-11
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.3: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.4: 2023-09-20
  Changes: Data collection, Refinement description