4G6Q

The crystal structure of a functionally unknown protein Kfla_6221 from Kribbella flavida DSM 17836

• PDB DOI: https://doi.org/10.2210/pdb4G6Q/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Kribbella flavida DSM 17836
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-07-19 Released: 2012-09-19 
• Deposition Author(s): Tan, K., Chhor, G., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.08 Å
• R-Value Free: 0.237 
• R-Value Work: 0.189 
• R-Value Observed: 0.192 

Literature

The crystal structure of a functionally unknown protein Kfla_6221 from Kribbella flavida DSM 17836, CASP Target

Tan, K., Chhor, G., Endres, M., 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)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

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

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 4 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 40.78 kDa 
• Atom Count: 2,865 
• Modelled Residue Count: 345 
• Deposited Residue Count: 364 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative uncharacterized protein	A, B	182	Kribbella flavida DSM 17836	Mutation(s): 0  Gene Names: Kfla_6221
UniProt
Find proteins for D2PVI4 (Kribbella flavida (strain DSM 17836 / JCM 10339 / NBRC 14399)) Explore D2PVI4  Go to UniProtKB:  D2PVI4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A], E [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

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: 2.08 Å
• R-Value Free: 0.237 
• R-Value Work: 0.189 
• R-Value Observed: 0.192 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.759	α = 90
b = 77.759	β = 90
c = 140.688	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-09-19 
Deposition Author(s): Tan, K., Chhor, G., Endres, M., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2012-09-19
  Type: Initial release
  
• Version 1.1: 2024-11-27
  Changes: Data collection, Database references, Derived calculations, Structure summary