3RQB | pdb_00003rqb

Crystal Structure of Conserved Protein of Unknown Function with Hot dog Fold from Alicyclobacillus acidocaldarius

• PDB DOI: https://doi.org/10.2210/pdb3RQB/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2011-04-28 Released: 2011-05-18 
• Deposition Author(s): Kim, Y., Chhor, G., Bearden, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.257 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.175 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.179 (Depositor) 

Literature

Crystal Structure of Conserved Protein of Unknown Function with Hot_dog Fold from Alicyclobacillus acidocaldarius

Kim, Y., Chhor, G., Bearden, J., Joachimiak, A.

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)

Macromolecule Content 

• Total Structure Weight: 61.63 kDa 
• Atom Count: 4,194 
• Modeled Residue Count: 529 
• Deposited Residue Count: 550 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Uncharacterized protein	A, B	275	Alicyclobacillus acidocaldarius subsp. acidocaldarius DSM 446	Mutation(s): 0  Gene Names: Aaci_2638
UniProt
Find proteins for C8WTQ0 (Alicyclobacillus acidocaldarius subsp. acidocaldarius (strain ATCC 27009 / DSM 446 / BCRC 14685 / JCM 5260 / KCTC 1825 / NBRC 15652 / NCIMB 11725 / NRRL B-14509 / 104-IA)) Explore C8WTQ0  Go to UniProtKB:  C8WTQ0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	C [auth A], D [auth B], E [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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: 2.80 Å
• R-Value Free:  0.257 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.175 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.179 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M33RQB

Space Group: P 6₃ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 109.645	α = 90
b = 109.645	β = 90
c = 192.614	γ = 120

Software Package:

Software Name	Purpose
SBC-Collect	data collection
HKL-3000	data collection
HKL-3000	phasing
PHENIX	model building
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-05-18 
Deposition Author(s): Kim, Y., Chhor, G., Bearden, J., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2011-05-18
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary