3IKB

The structure of a conserved protein from Streptococcus mutans UA159.

• PDB DOI: https://doi.org/10.2210/pdb3IKB/pdb

• Classification: structural genomics, unknown function
• Organism(s): Streptococcus mutans
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-08-05 Released: 2009-08-18 
• Deposition Author(s): Tan, K., Hatzos, C., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.67 Å
• R-Value Free: 0.214 
• R-Value Work: 0.185 
• R-Value Observed: 0.186 

Literature

The structure of a conserved protein from Streptococcus mutans UA159.

Tan, K., Hatzos, C., Buck, K., Joachimiak, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46.85 kDa 
• Atom Count: 3,825 
• Modelled Residue Count: 392 
• Deposited Residue Count: 396 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
uncharacterized conserved protein	A, B	198	Streptococcus mutans	Mutation(s): 0  Gene Names: SMU_1238c, Streptococcus mutans
UniProt
Find proteins for Q8DTT5 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DTT5  Go to UniProtKB:  Q8DTT5

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FLC	C [auth A], D [auth A], E [auth B]	CITRATE ANION C6 H5 O7 KRKNYBCHXYNGOX-UHFFFAOYSA-K

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: 1.67 Å
• R-Value Free: 0.214 
• R-Value Work: 0.185 
• R-Value Observed: 0.186 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 66.372	α = 90
b = 66.372	β = 90
c = 197.818	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
ARP	model building
WARP	model building
HKL-3000	phasing
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-08-18 
Deposition Author(s): Tan, K., Hatzos, C., Buck, K., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2009-08-18
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance