2IA1

Crystal structure of protein BH3703 from Bacillus halodurans, Pfam DUF600

• PDB DOI:  https://doi.org/10.2210/pdb2IA1/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Halalkalibacterium halodurans
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-09-06 Released: 2006-10-03 
• Deposition Author(s): Ramagopal, U.A., Russell, M., Toro, R., Freeman, J.C., Reyes, C., Gheyi, T., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.59 Å
• R-Value Free: 0.192 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 

Literature

Structure of hypothetical protein BH3703 from Bacillus halodurans

Ramagopal, U.A., Russell, M., Toro, R., Freeman, J.C., Reyes, C., Gheyi, T., Sauder, J.M., Burley, S.K., Almo, S.C.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 43.82 kDa 
• Atom Count: 3,681 
• Modelled Residue Count: 339 
• Deposited Residue Count: 356 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
BH3703 protein	A, B	178	Halalkalibacterium halodurans	Mutation(s): 0  Gene Names: BH3703
UniProt
Find proteins for Q9K6M5 (Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)) Explore Q9K6M5  Go to UniProtKB:  Q9K6M5

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	D [auth A], E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.59 Å
• R-Value Free: 0.192 
• R-Value Work: 0.172 
• R-Value Observed: 0.173 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.385	α = 90
b = 81.448	β = 90
c = 91.135	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
HKL-2000	data reduction
SHELXD	phasing
SHELXE	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-10-03 
Deposition Author(s): Ramagopal, U.A., Russell, M., Toro, R., Freeman, J.C., Reyes, C., Gheyi, T., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2006-10-03
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.5: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary