2OY9

Crystal structure of an unknown conserved protein- Pfam: UPF0223

• PDB DOI: https://doi.org/10.2210/pdb2OY9/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Halalkalibacterium halodurans C-125
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2007-02-21 Released: 2007-03-20 
• Deposition Author(s): Sugadev, R., 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: 1.60 Å
• R-Value Free: 0.223 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 

Literature

Crystal structure of an unknown conserved protein - Pfam: UPF0223

Sugadev, R., Burley, S.K., Swaminathan, S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 23.8 kDa 
• Atom Count: 1,540 
• Modelled Residue Count: 167 
• Deposited Residue Count: 196 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
UPF0223 protein BH2638	A, B	98	Halalkalibacterium halodurans C-125	Mutation(s): 2  Gene Names: BH2638
UniProt
Find proteins for Q9K9K7 (Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)) Explore Q9K9K7  Go to UniProtKB:  Q9K9K7

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

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: 1.60 Å
• R-Value Free: 0.223 
• R-Value Work: 0.209 
• R-Value Observed: 0.209 
• Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.568	α = 90
b = 91.568	β = 90
c = 47.241	γ = 120

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-03-20 
Deposition Author(s): Sugadev, R., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2007-03-20
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary