3L9T | pdb_00003l9t

The Crystal Structure of smu.31 from Streptococcus mutans UA159

• PDB DOI: https://doi.org/10.2210/pdb3L9T/pdb

• Classification: UNKNOWN FUNCTION
• Organism(s): Streptococcus mutans UA159
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-01-05 Released: 2011-01-05 
• Deposition Author(s): Su, X.-D., Cao, Q., Liu, X.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.21 Å
• R-Value Free: 
  0.249 (Depositor), 0.234 (DCC) 
• R-Value Work: 
  0.204 (Depositor), 0.193 (DCC) 
• R-Value Observed: 
  0.209 (Depositor) 

Literature

The Crystal Structure of smu.31 from Streptococcus mutans UA159

Su, X.-D., Cao, Q., Liu, X.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 28.69 kDa 
• Atom Count: 1,710 
• Modeled Residue Count: 201 
• Deposited Residue Count: 240 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative uncharacterized protein smu.31	A	240	Streptococcus mutans UA159	Mutation(s): 0  Gene Names: smu.31
UniProt
Find proteins for Q8DWL4 (Streptococcus mutans serotype c (strain ATCC 700610 / UA159)) Explore Q8DWL4  Go to UniProtKB:  Q8DWL4

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EPE	B [auth A]	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID C8 H18 N2 O4 S JKMHFZQWWAIEOD-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: 2.21 Å
• R-Value Free:  0.249 (Depositor), 0.234 (DCC) 
• R-Value Work:  0.204 (Depositor), 0.193 (DCC) 
• R-Value Observed: 0.209 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.47	α = 90
b = 60.71	β = 90
c = 66.14	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHENIX	model building
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-01-05 
Deposition Author(s): Su, X.-D., Cao, Q., Liu, X.

Revision History  

• Version 1.0: 2011-01-05
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-11-13
  Changes: Data collection, Database references, Derived calculations, Structure summary