2O4T

CRYSTAL STRUCTURE OF a protein of the DUF1048 family with a left-handed superhelix fold (BH3976) FROM BACILLUS HALODURANS AT 1.95 A RESOLUTION

• PDB DOI: https://doi.org/10.2210/pdb2O4T/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Halalkalibacterium halodurans
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-12-04 Released: 2006-12-26 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.255 
• R-Value Work: 0.203 
• R-Value Observed: 0.205 

Starting Model: experimental

Literature

Crystal structure of BH3976 (10176601) from Bacillus halodurans at 1.95 A resolution

Joint Center for Structural Genomics (JCSG)

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, light scattering

Macromolecule Content

• Total Structure Weight: 11.29 kDa 
• Atom Count: 770 
• Modelled Residue Count: 90 
• Deposited Residue Count: 100 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
BH3976 protein	A	100	Halalkalibacterium halodurans	Mutation(s): 2  Gene Names: 10176601
UniProt
Find proteins for Q9K5W1 (Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)) Explore Q9K5W1  Go to UniProtKB:  Q9K5W1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	B [auth A], C [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.95 Å
• R-Value Free: 0.255 
• R-Value Work: 0.203 
• R-Value Observed: 0.205 
• Space Group: H 3 2
• Diffraction Data: https://doi.org/10.18430/M32O4T

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.577	α = 90
b = 85.577	β = 90
c = 104.575	γ = 120

Software Package:

Software Name	Purpose
MolProbity	model building
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: 2006-12-26 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2006-12-26
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Derived calculations, Version format compliance
• Version 1.3: 2017-10-18
  Changes: Refinement description
• Version 1.4: 2017-10-25
  Changes: Author supporting evidence
• Version 1.5: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.6: 2023-09-20
  Changes: Data collection, Refinement description
• Version 1.7: 2023-11-15
  Changes: Data collection